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284 records returned

High Prevalence of Strongyloides stercoralis Among School Children in Rural Côte d'Ivoire.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
High Prevalence of Strongyloides stercoralis Among School Children in Rural Côte d'Ivoire. J Parasitol. 2009 Nov 16;:1 Authors: Glinz D, N'guessan NA, Utzinger J, N'goran EK Two cross-sectional surveys were carried out in rural Côte d'Ivoire, the first in 5 primary schools in the Lake Taabo area, and the second one in the primary school of Azaguié-IRFA. Overall, 251 school children were screened for Strongyloides stercoralis using either the Baermann method, or the Koga agar plate method, or both techniques. The prevalence of S. stercoralis at the unit of the school ranged between 4.0% and 48%. B...
Source: The Journal of Parasitology - November 16, 2009 Category: Parasitology Authors: Glinz D, N'guessan NA, Utzinger J, N'goran EK Tags: J Parasitol Source Type: journals

Identification and phylogenetic analysis of dirofilaria ursi (nematoda: filarioidea) from wisconsin black bears (ursus americanus) and its wolbachia endosymbiont.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
IDENTIFICATION AND PHYLOGENETIC ANALYSIS OF DIROFILARIA URSI (NEMATODA: FILARIOIDEA) FROM WISCONSIN BLACK BEARS (URSUS AMERICANUS) AND ITS WOLBACHIA ENDOSYMBIONT. J Parasitol. 2009 Nov 16;:1 Authors: Michalski S, Bain O, Fischer K, Fischer P, Kumar S, Foster J Dirofilaria ursi is a filarial nematode of American black bears (Ursus americanus Pallas, 1780) that is vectored by black flies (Simuliidae) in many parts of the United States. In northwestern Wisconsin, the prevalence of microfilaremic bears during the fall hunting season was 21% (n=47). Unsheathed blood microfilariae from Wisconsin bears possess charact...
Source: The Journal of Parasitology - November 16, 2009 Category: Parasitology Authors: Michalski S, Bain O, Fischer K, Fischer P, Kumar S, Foster J Tags: J Parasitol Source Type: journals

Geographic genetic differentiation of a malaria parasite, plasmodium mexicanum, and its lizard host, sceloporus occidentalis.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We examined genetic differentiation of the malaria parasite P. mexicanum, and its lizard host, Sceloporus occidentalis, at 8 sites in northern California using variable microsatellite markers for both species. These lizards are small, and highly territorial, so we expected local genetic differentiation of both parasite and lizard. Populations of P. mexicanum were found to be differentiated by analysis of 5 markers (Fst values > 0.05 - 0.10) over distances as short as 230 - 400 m, and greatly differentiated (Fst values > 0.25) for sites separated by ~10 km. In contrast, the lizard host had no, or very low, levels of d...
Source: The Journal of Parasitology - November 16, 2009 Category: Parasitology Authors: Fricke JM, Vardo-Zalik AM, Schall JJ Tags: J Parasitol Source Type: journals

Seroprevalence of neospora caninum infection in dairy cattle in northeastern china.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
SEROPREVALENCE OF NEOSPORA CANINUM INFECTION IN DAIRY CATTLE IN NORTHEASTERN CHINA. J Parasitol. 2009 Nov 6;:1 Authors: Wang C, Wang Y, Zou X, Zhai Y, Gao J, Hou M, Zhu XQ The seroprevalence of Neospora caninum infection in China's northeastern Heilongjiang Province was surveyed between 2007-2008. A total of 540 serum samples of dairy cattle from 9 counties were examined for antibodies to N. caninum by enzyme-linked immunosorbent assay (ELISA). The overall seroprevalence of N. caninum in dairy cattle was 13.3% (72/540). The seroprevalence of N. caninum in aborting cows (14.9%) was higher than that in non-aborti...
Source: The Journal of Parasitology - November 6, 2009 Category: Parasitology Authors: Wang C, Wang Y, Zou X, Zhai Y, Gao J, Hou M, Zhu XQ Tags: J Parasitol Source Type: journals

Experimental transmission of Hepatozoon clamatae (Apicomplexa: Adeleida) to the wood frog, Rana sylvatica, and to the mosquito, Culex pipiens.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In this study, we show that the wood frog, Rana sylvatica, supports merogonic development, but not gamogonic development, of this protozoan parasite, and that the mosquito Culex pipiens serves as an experimental definitive host for sporogonic development. Two wood frogs were each force-fed C. territans, containing oocysts of H. clamatae in their Malpighian tubules, which had fed on blood of infected green frogs 30 days previously. Free merozoites were observed in 1 wood frog 35 days after inoculation, but intraerythrocytic gamonts were not observed. Fifteen C. pipiens were fed on a mixture of infected frog blood and physio...
Source: The Journal of Parasitology - November 6, 2009 Category: Parasitology Authors: Harkness LM, Drohan AE, Dickson CM, Smith TG Tags: J Parasitol Source Type: journals

Synlophe structure in pseudomarshallagia elongata (nematoda: trichostrongyloidea), abomasal parasites among ethiopian ungulates, with consideration of other morphological attributes and differentiation within the ostertagiinae.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
SYNLOPHE STRUCTURE IN PSEUDOMARSHALLAGIA ELONGATA (NEMATODA: TRICHOSTRONGYLOIDEA), ABOMASAL PARASITES AMONG ETHIOPIAN UNGULATES, WITH CONSIDERATION OF OTHER MORPHOLOGICAL ATTRIBUTES AND DIFFERENTIATION WITHIN THE OSTERTAGIINAE. J Parasitol. 2009 Nov 6;:1 Authors: Hoberg EP, Kumsa B, Pilitt PA, Abrams A The independence of the genus Pseudomarshallagia and its placement among the medium stomach worms of ungulates, Ostertagiinae, is confirmed based on comparative morphological studies of the synlophe and genital attributes among male and female specimens. An emended description of P. elongata is presented based on...
Source: The Journal of Parasitology - November 6, 2009 Category: Parasitology Authors: Hoberg EP, Kumsa B, Pilitt PA, Abrams A Tags: J Parasitol Source Type: journals

Inactivation of giardia lamblia cysts by cobalt-60 irradiation.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
INACTIVATION OF GIARDIA LAMBLIA CYSTS BY COBALT-60 IRRADIATION. J Parasitol. 2009 Nov 5;:1 Authors: Sundermann CA, Estridge BH Cysts of Giardia lamblia can be a contaminant of water and food that can infect humans and cause the zoonotic disease, giardiasis. Irradiation by a cobalt-60 source was investigated for ability to inactivate cysts such that they would not be infective to gerbils. Cysts that received doses of radiation ranging from 0.25 to 2.0 kGy, with a recovery period of 6 hr or less, did not infect gerbils. Cysts that were irradiated at 0.25 kGy and allowed to recover at room temperature for 24 hr or...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Sundermann CA, Estridge BH Tags: J Parasitol Source Type: journals

Food webs for parasitologists. a review.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
FOOD WEBS FOR PARASITOLOGISTS. A REVIEW. J Parasitol. 2009 Nov 5;:1 Authors: Sukhdeo MV This review examines the historical origins of food web theory, and explores the reasons why parasites have traditionally been left out of food web studies. Current paradigms may still be an impediment because despite several attempts, it remains virtually impossible to retrofit parasites into food web theory in any satisfactory manner. It seems clear that parasitologists must return to first principles to solve how best to incorporate parasites into ecological food webs, and a first step in changing the paradigms will be to...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Sukhdeo MV Tags: J Parasitol Source Type: journals

Identity of diphyllobothrium spp. (cestoda: diphyllobothriidae) from sea lions and people along the pacific coast of south america.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This report mainly concerns 2 species, D. pacificum and D. arctocephalinum, for which sea lions (Otariidae) are final hosts. The taxonomic status of those cestodes has not been clearly discernible, due to misinterpretation of relationships; complex synonymies have resulted from misidentification(s). Stiles and Hassall in 1899 obtained but did not describe cestodes from the northern fur seal (Otariidae) (Pribilof Islands). That taxon was studied by several investigators, with diverse conclusions. The valid designation is D. pacificum (Nybelin, 1931). In 1937, Johnston and Drummond described separately 2 conspecific cestodes...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Rausch R, Adams AM, Margolis L Tags: J Parasitol Source Type: journals

An Improved Glycerin Jelly Mounting Procedure for Permanent Preparations of Helminth Eggs.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Many attempts have been undertaken to make permanent preparations of helminth eggs. However, none was both durable itself and free from deforming of thin-shell eggs, such as hookworm eggs. To overcome these drawbacks, we have modified the glycerin jelly mounting procedure in 2 aspects. First, we gradually changed the media in which the helminth eggs soaked, from 10% formalin via water to the 70% ethanol and 5% glycerin solution. It took 10 days, which should be much longer than the processes previously reported. Second, we used a hole slide glass instead of a slide glass. The eggs of 11 species of helminths prepared by...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Kumagai M, Inaba T, Makioka A, Ishiwata K, Onishi K, Watanabe N Tags: J Parasitol Source Type: journals

Epizootiology of myxobolus cerebralis, the causative agent of salmonid whirling disease in the rock creek drainage of west-central montana: 2004-2008.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
EPIZOOTIOLOGY OF MYXOBOLUS CEREBRALIS, THE CAUSATIVE AGENT OF SALMONID WHIRLING DISEASE IN THE ROCK CREEK DRAINAGE OF WEST-CENTRAL MONTANA: 2004-2008. J Parasitol. 2009 Nov 5;:1 Authors: Granath WO, Vincent R Whirling disease, caused by the myxozoan parasite Myxobolus cerebralis, remains a serious health threat to salmonid fish in the western U.S. A previously published study on the epizootiology of whirling disease in the Rock Creek watershed of west-central Montana, conducted from 1998 to 2003, showed that the intensity of M. cerebralis infections in sentinel trout increased significantly throughout the drain...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Granath WO, Vincent R Tags: J Parasitol Source Type: journals

Observations on the uganda i strain of plasmodium malariae and plasmodium brasilianum in aotus and saimiri monkeys and anopheles mosquitoes.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
OBSERVATIONS ON THE UGANDA I STRAIN OF PLASMODIUM MALARIAE AND PLASMODIUM BRASILIANUM IN AOTUS AND SAIMIRI MONKEYS AND ANOPHELES MOSQUITOES. J Parasitol. 2009 Nov 5;:1 Authors: Collins WE, Sullivan JS, Nace D, Williams T, Williams A, Barnwell JW Splenectomized Aotus lemurinus griseimembra, A. azarae boliviensis, A. nancymaae, A. vociferans and Saimiri boliviensis monkeys were infected with the Uganda I/CDC strain of Plasmodium malariae. The maximum parasite counts were lower if the animals had been previously infected with P. vivax. Mosquito infection was concentrated in the 12 days following the rise in count ...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Collins WE, Sullivan JS, Nace D, Williams T, Williams A, Barnwell JW Tags: J Parasitol Source Type: journals

The first report of Hepatozoon species infection in leopard cats (Prionailurus bengalensis) in Korea.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Hepatozoon species infections were detected in 4 of 5 heart samples from leopard cats (Prionailurus bengalensis) in Korea examined by light microscopy and PCR. Microscopically, the schizonts of the Hepatozoon species were observed within the parasitophorous vacuoles of unidentified host cells which were located between myocytes. The schizonts were approximately 31 +/- 4 x 19 +/- 3 microm in size and the 3 mature schizonts contained approximately 24, 25 and 35 merozoites, respectively. In analyses of the partial 18S rRNA gene sequence, the Hepatozoon species infecting the Korean leopard cats was closely related to Brazi...
Source: The Journal of Parasitology - November 5, 2009 Category: Parasitology Authors: Kubo M, Jeong A, Kim SI, Kim YJ, Lee H, Kimura J, Agatsuma T, Sakai H, Yanai T Tags: J Parasitol Source Type: journals

A new species of cardicola short, 1953 (digenea: aporocotylidae) from the heart and branchial vessels of two surfperches (perciformes: embiotocidae) in the eastern pacific ocean off california.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A NEW SPECIES OF CARDICOLA SHORT, 1953 (DIGENEA: APOROCOTYLIDAE) FROM THE HEART AND BRANCHIAL VESSELS OF TWO SURFPERCHES (PERCIFORMES: EMBIOTOCIDAE) IN THE EASTERN PACIFIC OCEAN OFF CALIFORNIA. J Parasitol. 2009 Nov 4;:1 Authors: Bullard S Cardicola nonamo n. sp. (Digenea: Aporocotylidae) infects the heart of white seaperch, Phanerodon furcatus Girard, 1854 (Perciformes: Embiotocidae) (type host) in Monterey Bay, California, USA, and the branchial vessels of rubberlip seaperch, Rhacochilus toxotes Agassiz, 1854 (Embiotocidae) from Naples Reef, Santa Barbara Channel, off Santa Barbara, California. It is most eas...
Source: The Journal of Parasitology - November 4, 2009 Category: Parasitology Authors: Bullard S Tags: J Parasitol Source Type: journals

Africanastrongylus giganticus n. sp. (nematoda: trichostrongyloidea), in african bufflo (syncerus caffer) (artiodactyla: bovinae) from uganda.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
AFRICANASTRONGYLUS GIGANTICUS N. SP. (NEMATODA: TRICHOSTRONGYLOIDEA), IN AFRICAN BUFFLO (SYNCERUS CAFFER) (ARTIODACTYLA: BOVINAE) FROM UGANDA. J Parasitol. 2009 Oct 29;:1 Authors: Hoberg EP, Abrams A, Pilitt PA Africanastrongylus giganticus n. sp. is described based on large ostertagiine nematodes occurring in the abomasum of African buffalo, Syncerus caffer, from Uganda; this represents the second species recognized in the genus. Specimens of A. giganticus are characterized by large size (15-19 mm in total length), a strongly tapering synlophe in the cervical region, and a great number of ridges at all levels ...
Source: The Journal of Parasitology - October 29, 2009 Category: Parasitology Authors: Hoberg EP, Abrams A, Pilitt PA Tags: J Parasitol Source Type: journals

Helminth Parasites of Amphibians and Reptiles From the Ucayali Region, Peru.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Twenty individual amphibians representing 9 species within 6 families and 44 individual reptiles representing 15 species within 8 families from the Ucayali Region, Peru, were examined for helminths. Seven (35%) of the amphibians and 15 (34%) of the reptiles were found to harbor at least 1 species of helminth; 5 (25%) of the amphibians and 4 (9%) of the reptiles harbored multiple infections. A cyclophyllidean cestode and 14 taxa of nematodes within 7 families were found in the herpetofauna surveyed. Thirteen new host and 6 new geographic distribution records are documented. PMID: 19874072 [PubMed - as supplied by pu...
Source: The Journal of Parasitology - October 29, 2009 Category: Parasitology Authors: McAllister CT, Bursey CR, Freed P Tags: J Parasitol Source Type: journals

An Outbreak of Angiostrongyliasis cantonensis in Beijing.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
An outbreak of 81 cases of angiostrongyliasis cantonensis occurred in Beijing during June-September 2006. Epidemiological characteristics, clinical signs and symptoms, laboratory tests, imaging, and treatment data from the 81 AC patients were collected and analyzed. All cases had a history of eating raw, freshwater snails, and acquired Angiostrongylus cantonensis as a result. The incubation period ranged from 1 to 36 days. The main symptoms were fever, severe headache, neck stiffness, and skin paresthesia. A significant increase in eosinophilia occurred in the peripheral blood of 62 cases and in cerebrospinal fluid of ...
Source: The Journal of Parasitology - October 29, 2009 Category: Parasitology Authors: Wang J, Qi YH, Diao LZ, Zheng XY, Li XL, Ma SX, Ji AP, Yin HC Tags: J Parasitol Source Type: journals

Population dynamics of Crataerina pallida (Diptera: Hippoboscidae); a nest ectoparasite of the Common Swift, Apus apus (Aves: Apodidae).Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
An essential pre-requisite to understanding host-parasite relationships is a good knowledge of parasite ecology and life-history. Despite removing a significant amount of blood from their Common Swift (Apus apus) hosts no detrimental effect of parasitism by the Louse Fly (Crataerina pallida) has been found. This may be because little is known of the population dynamics of this parasite. We studied characteristics of Louse Fly populations that may influence its pathogenicity. Louse Fly populations were found to exhibit extremely high levels of prevalence and to be aggregated between nests. Nest populations were much hig...
Source: The Journal of Parasitology - October 28, 2009 Category: Parasitology Authors: Walker MD, Rotherham ID Tags: J Parasitol Source Type: journals

Renal infection by a new coccidian genus in big brown bats (eptesicus fuscus).Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
RENAL INFECTION BY A NEW COCCIDIAN GENUS IN BIG BROWN BATS (EPTESICUS FUSCUS). J Parasitol. 2009 Oct 28;:1 Authors: Wuenschmann A, Wellehan J, Armien AG, Bemrick W, Barnes D, Averbeck G, Roback R, Schwabenlander M, D'Almeida E, Joki R, Childress A, Cortinas R, Gardiner C, Greiner EC A novel coccidian parasite from the kidney of big brown bats (Eptesicus fuscus) is described. This coccidian was associated with a generally mild, focal, or multifocal, well demarcated cortical renal lesion, less than 1 mm in diameter. The lesion represented cystic, dilated tubules with hypertrophied tubular epithelial cells and was...
Source: The Journal of Parasitology - October 28, 2009 Category: Parasitology Authors: Wuenschmann A, Wellehan J, Armien AG, Bemrick W, Barnes D, Averbeck G, Roback R, Schwabenlander M, D'Almeida E, Joki R, Childress A, Cortinas R, Gardiner C, Greiner EC Tags: J Parasitol Source Type: journals

Spatial variation of haemosporidian parasite infection in African rainforest bird species.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Spatial heterogeneity influences the distribution, prevalence and diversity of haemosporidian parasites. Previous studies have found complex patterns of prevalence with respect to habitat characteristics and parasite genotype, and their interactions, but there is little information regarding how parasitemia intensity and the prevalence of co-infections may vary in space. Here, using both molecular methods and microscopy, we report an analysis of the variation of parasitemia intensity and co-infections of avian haemosporidian parasites (Plasmodium and Haemoproteus species) in 2 common African birds species, the yellow-w...
Source: The Journal of Parasitology - October 27, 2009 Category: Parasitology Authors: Loiseau C, Iezhova TA, Valkiūnas G, Chasar A, Hutchinson A, Buermann W, Smith TB, Sehgal RN Tags: J Parasitol Source Type: journals

The interaction of light and gravity on the transmission of echinostoma caproni (digenea: echinostomatidae) cercariae to the second intermediate host, biomphalaria glabrata(gastropoda: pulmonata).Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
THE INTERACTION OF LIGHT AND GRAVITY ON THE TRANSMISSION OF ECHINOSTOMA CAPRONI (DIGENEA: ECHINOSTOMATIDAE) CERCARIAE TO THE SECOND INTERMEDIATE HOST, BIOMPHALARIA GLABRATA(GASTROPODA: PULMONATA). J Parasitol. 2009 Oct 20;:1 Authors: Platt T, Greenlee H, Zelmer D, Platt T The current experiments were designed to assess the interaction of light and gravity on the transmission of Echinostoma caproni cercariae to the 2nd intermediate host, Biomphalaria glabrata. Transmission chambers were constructed of clear PVC pipe covered with a black sleeve to exclude light. Snails were constrained within the chamber to preve...
Source: The Journal of Parasitology - October 19, 2009 Category: Parasitology Authors: Platt T, Greenlee H, Zelmer D, Platt T Tags: J Parasitol Source Type: journals

Reduced hamster usage and stress in propagating Leishmania chagasi promastigotes using cryopreservation and saphenous vein inoculation.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Leishmania chagasi, a causal agent of visceral leishmaniasis, requires passage through lab animals such as hamsters to maintain its virulence. Hamster infection is typically accomplished via cardiac puncture or intraperitoneal injection, procedures accompanied by risks of increased animal stress and death. The use of the hamster model also necessitates a regular supply of infected animals, since L. chagasi parasites newly isolated from an infected hamster can be grown in culture for only several weeks before loss of function/phenotype occurs. Towards decreasing animal usage and animal stress, experiments were performed...
Source: The Journal of Parasitology - October 15, 2009 Category: Parasitology Authors: Lei SM, Ramer-Tait AE, Dahlin-Laborde RR, Mullin K, Beetham JK Tags: J Parasitol Source Type: journals

Introduction of kevin d. lafferty as the henry baldwin ward medalist for 2009.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
INTRODUCTION OF KEVIN D. LAFFERTY AS THE HENRY BALDWIN WARD MEDALIST FOR 2009. J Parasitol. 2009 Oct 12;:1 Authors: Kuris A PMID: 19821633 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - October 11, 2009 Category: Parasitology Authors: Kuris A Tags: J Parasitol Source Type: journals

Molecular characterization and histopathology of myxobolus koi infecting the gills of a koi cyprinus carpio, with an amended morphologic description of the agent.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
MOLECULAR CHARACTERIZATION AND HISTOPATHOLOGY OF MYXOBOLUS KOI INFECTING THE GILLS OF A KOI CYPRINUS CARPIO, WITH AN AMENDED MORPHOLOGIC DESCRIPTION OF THE AGENT. J Parasitol. 2009 Oct 12;:1 Authors: Camus AC, Griffin MJ A Myxobolus sp., morphologically resembling M. toyamai, M. longisporus, and M. koi, was isolated from the gills of a koi Cyprinus carpio that died in an ornamental pond. Large plasmodia were localized within lamellae causing severe disruption of the normal branchial architecture, sufficient to compromise respiration. Although the case isolate shared several features with the aforementioned spec...
Source: The Journal of Parasitology - October 11, 2009 Category: Parasitology Authors: Camus AC, Griffin MJ Tags: J Parasitol Source Type: journals

Seasonality of Parasitic Gut Infections in Humans in the Rocky Mountain Region, USA.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
To evaluate the seasonal prevalence of human intestinal parasites in the western states of Colorado, Utah, New Mexico and Montana, fecal samples were examined as part of routine diagnostic testing from patients experiencing gastrointestinal discomfort in August (summer) 2006, and January (winter) and April (spring) 2007. Parasite identification in positive samples was confirmed under light microscopy using wet mount and trichrome staining techniques. Seventy-eight of the 1083 patients surveyed (7.2%) in August tested positive for at least one species of intestinal parasite. Forty-eight of 726 (6.6%) patients and 51 of ...
Source: The Journal of Parasitology - October 5, 2009 Category: Parasitology Authors: Church C, Neill A, Schotthoefer A Tags: J Parasitol Source Type: journals

Surveillance for antibodies to leishmania spp. in dogs from sri lanka.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
SURVEILLANCE FOR ANTIBODIES TO LEISHMANIA SPP. IN DOGS FROM SRI LANKA. J Parasitol. 2009 Oct 5;:1 Authors: Rosypal AC, Tripp S, Kinlaw C, Hailemariam S, Tidwell RR, Lindsay DS, Rajapakse RP, Sreekumar C, Dubey JP The global distribution of leishmaniasis is rapidly expanding into new geographic regions. Dogs are the primary reservoir hosts for human visceral leishmaniasis caused by infection with Leishmania infantum. Natural infections with other Leishmania species can occur in dogs, but their role as reservoir hosts for other species of Leishmania is uncertain. Leishmania donovani is traditionally considered a ...
Source: The Journal of Parasitology - October 4, 2009 Category: Parasitology Authors: Rosypal AC, Tripp S, Kinlaw C, Hailemariam S, Tidwell RR, Lindsay DS, Rajapakse RP, Sreekumar C, Dubey JP Tags: J Parasitol Source Type: journals

The Association of Adult Onchocerca volvulus with Lymphatic Vessels.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Immunocytochemical examination of onchocercal nodule tissues containing adult Onchocerca volvulus using immuno-markers for blood and lymphatic vessels (Factor VIII, D2-40, podoplanin, Prox-1 and Lyve1) shows a distinct pattern of distribution of these vessels within nodules. Blood vessels were commonly seen associated with organized lymphoid cellular aggregates in the both the outer and inner areas of the nodules. In contrast, the majority of the lymphatic vessel components were present in the central zones in close apposition to the adult parasites, or associated with microfilariae in the outer areas of the nodule. Th...
Source: The Journal of Parasitology - October 4, 2009 Category: Parasitology Authors: Mackenzie CD, Huntington MK, Wanji SJ, Lovato RV, Eversole RR, Geary TG Tags: J Parasitol Source Type: journals

Parasite inventories and DNA-based taxonomy: Lessons from helminths of freshwater fishes in a megadiverse country.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Freshwater fish helminth parasites are undoubtedly the most well-known group among vertebrate parasites in Mexico, composed of 37 adult and 43 larval (metacercariae) trematodes; 62 monogeneans; 15 adult and 18 larval (metacestode) cestodes; 6 adult and 4 larval (cystacanth) acanthocephalans, and 54 adult and 15 larval nematodes (L3). Here, we evaluate the extent of the inventory of freshwater fish helminths of Mexico using species accumulation curves and discuss the implications of DNA-based taxonomic methods in our understanding of the helminth biodiversity in freshwater fishes. Future directions for the study of the ...
Source: The Journal of Parasitology - October 4, 2009 Category: Parasitology Authors: Pérez-Ponce de León G, Choudhury A Tags: J Parasitol Source Type: journals

Prerequisites for Parasitism in Rhabditid Nematodes.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
To evaluate their potential for survival in a vertebrate host, dauer larvae from 7 species of rhabditid nematodes were subjected to in vitro conditions designed to emulate those of a vertebrate digestive tract. Dauer larvae from 3 of the 7 species, selected for their ability to survive elevated temperatures and low pH, and representing differing types of phoretic associations with invertebrate hosts, were fed to frogs to examine their ability to survive passage through a vertebrate digestive system. The degree of invasiveness of the phoretic association that dauer larvae had with their invertebrate hosts did not corres...
Source: The Journal of Parasitology - October 4, 2009 Category: Parasitology Authors: Warburton EM, Zelmer DA Tags: J Parasitol Source Type: journals

Coccidian merozoite transcriptome analysis from Eimeria maxima in comparison to Eimeria tenella and Eimeria acervulina.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Using the Eimeria spp. population that infect chickens as a model for coccidian biology, we aimed to survey the transcriptome of E. maxima and contrast it to the 2 other Eimeria spp. for which transcriptome data are available, E. tenella and E. acervulina. Examining specifically the asexual intracellular development stage, the merozoite, we used expressed sequence tag (EST) analysis to provide experimental evidence of transcription and a framework for understanding the merozoite stage of E. maxima. Of 2,680 individual ESTs obtained, 48.2% shared most significant (E<10-5) homology to sequences from other apicomplexan...
Source: The Journal of Parasitology - October 3, 2009 Category: Parasitology Authors: Schwarz RS, Fetterer RH, Rosenberg GH, Miska KB Tags: J Parasitol Source Type: journals

Risk factors associated with Neospora caninum seropositivity in sheep from the State of Alagoas, in the Northeast Region of Brazil.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The aim of this study was to identify risk factors associated with Neospora caninum seropositivity in sheep from the State of Alagoas, in the Northeast region of Brazil. Twenty-six herds were selected and blood samples were collected from 343 animals > 6 months old. The indirect fluorescent antibody test (IFAT) was used for serological diagnosis of N. caninum infection. Epidemiological questionnaires were applied for each herd in order to identify the risk factors associated with infection. Thirty-three (9.6%) animals tested positive for anti-N. caninum IgG antibodies, with titers ranging from 1:50 to 1:1,600. Fourt...
Source: The Journal of Parasitology - October 3, 2009 Category: Parasitology Authors: Faria E, Cavalcanti E, Madeiros E, Pinheiro-Júnior J, Azevedo S, Athayde A, Mota R Tags: J Parasitol Source Type: journals

A zoonotic genotype of enterocytozoon bieneusi in horses.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A ZOONOTIC GENOTYPE OF ENTEROCYTOZOON BIENEUSI IN HORSES. J Parasitol. 2009 Oct 4;:1 Authors: Santin-Duran M, Fayer R, Cortes Vecino JA This is the first report of Enterocytozoon bieneusi in an equid species. Feces from 195 horses from 4 locations in Colombia were examined for E. bieneusi by PCR. Of these, 21 horses (10.8%) were found positive for E. bieneusi. The prevalence of E. bieneusi in horses <1 yr of age was significantly higher (23.7%) than in horses > 1 yr of age (2.5%). No significant differences in prevalence were observed between male (13.7%) and female horses (9%). Sequencing of the ITS regi...
Source: The Journal of Parasitology - October 3, 2009 Category: Parasitology Authors: Santin-Duran M, Fayer R, Cortes Vecino JA Tags: J Parasitol Source Type: journals

Research Note.... Prevalence of Troglodytella abrassarti Brumpt and Joyeux, 1912 in wild chimpanzees (Pan troglodytes schweinfurthii) at Mahale Mountains National Park in western Tanzania.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We examined stool samples from a habituated group of chimpanzees (Pan troglodytes schweinfurthii) at Mahale Mountains National Park in western Tanzania for trophozoites of the entodiniomorphid ciliate, Troglodytella abrassarti Brumpt and Joyeux, 1912. In our study, fresh fecal samples from identified individuals were collected immediately after defecation and fixed in 10% formalin solution. A total of 52 samples from 38 chimpanzees (61% of 62 chimpanzees in the group) were examined using a direct smear method. A stool sample from an individual collection date from an individual chimpanzee was examined up to 3 separate time...
Source: The Journal of Parasitology - October 3, 2009 Category: Parasitology Authors: Kaur T, Singh J, Lindsay DS Tags: J Parasitol Source Type: journals

Plasmodium vivax DBP binding to Aotus nancymaae erythrocytes is Duffy antigen dependent.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Plasmodium vivax is the second leading cause of malaria worldwide. Invasion of human erythrocytes by P. vivax merozoites is dependent upon the interaction between the parasite Duffy binding protein (PvDBP) and the erythrocyte Duffy antigen receptor. Therefore, disruption of this vital interaction is an attractive target for therapeutic intervention. Although Aotus nancymaae is a commonly used primate model for human P. vivax infections, it has not been confirmed that the interaction between Ao. nancymaae erythrocytes and P. vivax is Duffy antigen dependent. Our results indicate that normal Ao. nancymaae erythrocytes re...
Source: The Journal of Parasitology - October 3, 2009 Category: Parasitology Authors: McHenry AM, Barnwell JW, Adams JH Tags: J Parasitol Source Type: journals

Stomach nematodes (mastophorus muris) in rats (rattus rattus) are associated with coconut (cocos nucifera) habitat at palmyra atoll.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
STOMACH NEMATODES (MASTOPHORUS MURIS) IN RATS (RATTUS RATTUS) ARE ASSOCIATED WITH COCONUT (COCOS NUCIFERA) HABITAT AT PALMYRA ATOLL. J Parasitol. 2009 Oct 2;:1 Authors: Lafferty KD, Hathaway SA, Wegmann AS, Shipley FS, Backlin AR, Helm J, Fisher RN Black rats (Rattus rattus) and their stomach nematodes (Mastophorus muris) were historically introduced to islets at Palmyra Atoll in the central Pacific Line Islands. To investigate patterns of parasitism, we trapped rats and quantified nematodes at 13 islets of various size and habitat type. Most rats were parasitized (59%) with an average of twelve worms per paras...
Source: The Journal of Parasitology - October 1, 2009 Category: Parasitology Authors: Lafferty KD, Hathaway SA, Wegmann AS, Shipley FS, Backlin AR, Helm J, Fisher RN Tags: J Parasitol Source Type: journals

Introduction of miodrag (mike) belosevic, recipient of 2009 clark p. read mentor award.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
INTRODUCTION OF MIODRAG (MIKE) BELOSEVIC, RECIPIENT OF 2009 CLARK P. READ MENTOR AWARD. J Parasitol. 2009 Sep 29;:1 Authors: Hanington P There is no abstract for this submission. PMID: 19788337 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 28, 2009 Category: Parasitology Authors: Hanington P Tags: J Parasitol Source Type: journals

Minutes of the Eighty-Fourth Annual ASP Business Meeting.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Minutes of the 2009 Annual ASP Business Meeting held at the Crowne Plaza in Knoxville, Tennessee. PMID: 19788338 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 28, 2009 Category: Parasitology Authors: Janovy Jr J Tags: J Parasitol Source Type: journals

Minutes of the Ninety-ninth Annual ASP Council Meeting.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Minutes of the 2009 ASP Council Meeting held at the Crowne Plaza in Knoxville, Tennessee. PMID: 19788339 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 28, 2009 Category: Parasitology Authors: Janovy Jr J Tags: J Parasitol Source Type: journals

Parasites and Symbionts from Mytilus galloprovincialis (Lamark, 1819) (Bivalves: Mytilidae) of the Aveiro Estuary Portugal.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The primary aim of the present study was to conduct a 1 yr parasitological survey of a Mytilus galloprovincialis mussel population from the Aveiro Estuary, Portugal. In addition, we attempted to assess the host response to parasites by examining host histopathology, including an evaluation of hemocyte infiltration and parasite encapsulation. The parasites present (prevalence) included: 1 protozoan, Nematopsis sp. (70%); 1 turbellarian, Urastoma cyprinae, (39%); 2 trematodes, Diphtherostomum sp. (58%) and Prosorhynchus crucibulum (0.3%); 3 crustaceans, Bathylaophonte azorica (0.3%) and with 2 species of Mytilicola spp. ...
Source: The Journal of Parasitology - September 27, 2009 Category: Parasitology Authors: Francisco CJ, Hermida MA, Santos MJ Tags: J Parasitol Source Type: journals

Presidential address: parasites on a shrinking planet.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
PRESIDENTIAL ADDRESS: PARASITES ON A SHRINKING PLANET. J Parasitol. 2009 Sep 25;:1 Authors: Conn DB * Presidential address: American Society of Parasitologists, 16 August 2009, Knoxville, Tennessee. PMID: 19780628 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 24, 2009 Category: Parasitology Authors: Conn DB Tags: J Parasitol Source Type: journals

Acceptance of the Clark P. Read Mentor Award: Mentor and Mentee - A Lasting Relationship.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
PMID: 19778155 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 23, 2009 Category: Parasitology Authors: Belosevic MM Tags: J Parasitol Source Type: journals

Introduction to President D. Bruce Conn.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
none. PMID: 19778156 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 23, 2009 Category: Parasitology Authors: Graczyk T Tags: J Parasitol Source Type: journals

The accidental parasitologist: acceptance of the 2009 henry baldwin ward medal.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
THE ACCIDENTAL PARASITOLOGIST: ACCEPTANCE OF THE 2009 HENRY BALDWIN WARD MEDAL. J Parasitol. 2009 Sep 24;:1 Authors: Lafferty KD No Abstract. PMID: 19778157 [PubMed - as supplied by publisher] (Source: The Journal of Parasitology)
Source: The Journal of Parasitology - September 23, 2009 Category: Parasitology Authors: Lafferty KD Tags: J Parasitol Source Type: journals

Castration of Female Ninespine Stickleback by the Pseudophyllidean Cestode Schistocephalus pungitii: Evolutionary Significance and Underlying Mechanism.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Parasitic castration may result from manipulation of host energy allocation away from reproduction, which should result in castration of lightly infected hosts as well as heavily infected ones. Castration also may result from nutrient theft alone, which incidentally influences host energy allocation to reproduction and should cause reproduction to end in heavily infected hosts. Although the pseudophyllidean cestode Schistocephalus pungitii is a castrator of ninespine stickleback fish (Pungitius pungitius), the cause and significance of castration remain unknown. We used predictions about reproductive capacity in lightl...
Source: The Journal of Parasitology - September 15, 2009 Category: Parasitology Authors: Heins DC, Baker JA Tags: J Parasitol Source Type: journals

Redescription of gyropus parvus (ewing, 1924) (insecta: phthiraptera: amblycera: gyropidae) from (rodentia: ctenomyidae: ctenomys in patagonia, argentina.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
REDESCRIPTION OF GYROPUS PARVUS (EWING, 1924) (INSECTA: PHTHIRAPTERA: AMBLYCERA: GYROPIDAE) FROM (RODENTIA: CTENOMYIDAE: CTENOMYS IN PATAGONIA, ARGENTINA. J Parasitol. 2009 Sep 13;:1 Authors: Martino NS, Romero MD, Castro DD A detailed redescription of Gyropus parvus (Phthiraptera: Amblycera: Gyropidae) is given based on specimens collected from the type host, Ctenomys colburni Allen 1903, and the type locality, Estancia Huanuluán, Provincia de Rio Negro. We expand and provide new chaetotaxy. New scanning electron microscopy images providing microstructural details of adults and eggs of G. parvus obtained ...
Source: The Journal of Parasitology - September 12, 2009 Category: Parasitology Authors: Martino NS, Romero MD, Castro DD Tags: J Parasitol Source Type: journals

A new species of pseudodelphis (dracunculoidea: guyanemidae) in the intertidal fish scartichthys viridis (blenniidae) from central chile.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A NEW SPECIES OF PSEUDODELPHIS (DRACUNCULOIDEA: GUYANEMIDAE) IN THE INTERTIDAL FISH SCARTICHTHYS VIRIDIS (BLENNIIDAE) FROM CENTRAL CHILE. J Parasitol. 2009 Sep 13;:1 Authors: Munoz GI A new species of nematode, Pseudodelphis chilensis n. sp., is described. This parasite was found in muscles of the pectoral fins of a blenniid fish, Scartichthys viridis, from central Chile. The new species differs from the other 2 described (P. oligocotti Adamson and Roth 1990, and P. limnicola Brugni and Viozzi 2006) for its longer glandular esophagus and a small caecum at the beginning of the glandular esophagus, both character...
Source: The Journal of Parasitology - September 12, 2009 Category: Parasitology Authors: Munoz GI Tags: J Parasitol Source Type: journals

Plasmodium berghei Ookinetes Glide and Release Pbs25 and CTRP on Solid Surface Substrates.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Plasmodium spp. development within mosquito vectors includes invasive ookinete and sporozoites stages which display gliding movements during invasion of midgut and salivary glands, respectively. Sporozoite gliding has been well documented and several proteins released during sporozoite's locomotion have been described. However, proteins on the ookinete gliding trails are poorly described. In the present study, we documented that 2 proteins, Pbs25 and circumsporozoite thrombospondin related protein (CTRP), are released during Plasmodium berghei ookinete gliding on a solid surface substrate. PMID: 19747017 [PubMed - ...
Source: The Journal of Parasitology - September 12, 2009 Category: Parasitology Authors: Lecona A, Rodriguez MH, Argotte Ramos RS, Alvarado Delgado A, Rodriguez M Tags: J Parasitol Source Type: journals

Anisakid larvae in Atlantic salmon (Salmo salar L) grilse and post smolts: molecular identification and histopathology.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The molecular identification and histopathology of parasitic larvae present in the abdominal cavity of Atlantic salmon (Salar salmo) grilse caught in fish traps on their natal river in the west of Ireland and post-smolts collected during experimental trawls on the continental shelf edge of the northeast Atlantic Ocean is described. Larvae in the adult and juvenile salmon were identified as Anisakis simplex sensu stricto by PCR amplification and RFLP and sequencing of the ITS1 gene and PCR amplification and sequencing of the cox2 gene. Parasitic larvae in the grilse were either encapsulated in the abdominal mesentery as...
Source: The Journal of Parasitology - September 12, 2009 Category: Parasitology Authors: Murphy TM, Berzano M, O'Keeffe SM, Cotter DM, McEvoy SE, Thomas KA, O'Maoileidigh NP, Whelan KF Tags: J Parasitol Source Type: journals

IDENTIFICATION OF DIFFERENTIALLY EXPRESSED GENES IN EARLY STAGES OF EIMERIA TENELLA BY SUPPRESSION SUBTRACTIVE HYBRIDIZATION AND cDNA MICROARRAY.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Avian coccidiosis, a major parasitic disease of poultry, is caused by Eimeria spp. infection. It inflicts severe economic losses on the poultry industry. To further understand the molecular basis of sporulation and invasion of Eimeria spp., suppression subtractive hybridization (SSH) and microarray approaches were combined to identify novel and important genes involved in the development and invasion of the early stages of Eimeria tenella. 3 subtractive cDNA libraries were constructed for 3 stages of E. tenella, including unsporulated oocysts, sporulated oocysts and sporozoites. A subset of clones was selected from the...
Source: The Journal of Parasitology - September 12, 2009 Category: Parasitology Authors: Hongyu H, Jiaojiao L, Qiping Z, Hui D, Lianlian J, Meiqian X, Shunhai Z, Bing H Tags: J Parasitol Source Type: journals

A new hedrurid species (nematoda) from galaxiid fishes in patagonia (argentina), and infection of amphipods as intermediate host.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
A NEW HEDRURID SPECIES (NEMATODA) FROM GALAXIID FISHES IN PATAGONIA (ARGENTINA), AND INFECTION OF AMPHIPODS AS INTERMEDIATE HOST. J Parasitol. 2009 Sep 8;:1 Authors: Brugni NL, Viozzi GP During a parasite survey of galaxiid fishes (Galaxiidae) from Patagonian Andean lakes, a new species of nematode, Hedruris suttonae n. sp. was collected from the stomach of the native Galaxias maculatus (Jenyns) and G. platei (Steindachner). Specimens were examined by light and scanning electron microscopy, especially head morphology, female caudal prehensile structure, and distribution of spines. The new species is distinguish...
Source: The Journal of Parasitology - September 7, 2009 Category: Parasitology Authors: Brugni NL, Viozzi GP Tags: J Parasitol Source Type: journals