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International Journal for Parasitology. Parasites and Wildlife

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https://www.readbyqxmd.com/read/28913166/anisakidae-nematodes-isolated-from-the-flathead-grey-mullet-fish-mugil-cephalus-of-buenaventura-colombia
#1
Jenniffer Alejandra Castellanos, Andrés Ricardo Tangua, Liliana Salazar
Anisakiasis is a parasitic infection caused by larval stages of nematodes of the genus Anisakis, Pseudoterranova and Contracaecum, of the Anisakidae family. The lifecycle of these nematodes develops in aquatic organisms and their final hosts are marine mammals. However, humans can act as accidental hosts and become infected with infective stage larvae (L3) by consuming raw or undercooked fish or shellfish carrying the parasite. Of this group of parasites, the genus Anisakis is the most studied: its presence in humans is associated with non-specific gastrointestinal symptoms or allergic responses that can trigger anaphylactic shock...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28913165/molecular-characterization-of-babesia-peircei-and-babesia-ugwidiensis-provides-insight-into-the-evolution-and-host-specificity-of-avian-piroplasmids
#2
Michael J Yabsley, Ralph E T Vanstreels, Barbara C Shock, Michaelle Purdee, Elizabeth C Horne, Michael A Peirce, Nola J Parsons
There are 16 recognized species of avian-infecting Babesia spp. (Piroplasmida: Babesiidae). While the classification of piroplasmids has been historically based on morphological differences, geographic isolation and presumed host and/or vector specificities, recent studies employing gene sequence analysis have provided insight into their phylogenetic relationships and host distribution and specificity. In this study, we analyzed the sequences of the 18S rRNA gene and ITS-1 and ITS-2 regions of two Babesia species from South African seabirds: Babesia peircei from African penguins (Spheniscus demersus) and Babesia ugwidiensis from Bank and Cape cormorants (Phalacrocorax neglectus and P...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28913164/haemoprotozoa-making-biological-sense-of-molecular-phylogenies
#3
REVIEW
Peter O'Donoghue
A range of protistan parasites occur in the blood of vertebrates and are transmitted by haematophagous invertebrate vectors. Some 48 genera are recognized in bood primarily on the basis of parasite morphology and host specificity; including extracellular kinetoplastids (trypanosomatids) and intracellular apicomplexa (haemogregarines, haemococcidia, haemosporidia and piroplasms). Gene sequences are available for a growing number of species and molecular phylogenies often link parasite and host or vector evolution...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28879089/pathology-clinical-signs-and-tissue-distribution-of-toxoplasma-gondii-in-experimentally-infected-reindeer-rangifer-tarandus
#4
Émilie Bouchard, Rajnish Sharma, Nicholas Bachand, Alvin A Gajadhar, Emily J Jenkins
Toxoplasma gondii is a zoonotic parasite found in vertebrates worldwide for which felids serve as definitive hosts. Despite low densities of felids in northern Canada, Inuit people in some regions show unexpectedly high levels of exposure, possibly through handling and consumption of Arctic wildlife. Free-ranging caribou (Rangifer tarandus) are widely harvested for food across the Canadian North, show evidence of seroexposure to T. gondii, and are currently declining in numbers throughout the Arctic. We experimentally infected three captive reindeer (conspecific with caribou) with 1000, 5000 or 10,000 oocysts of T...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28879088/editorial
#5
EDITORIAL
Andrew Thompson
No abstract text is available yet for this article.
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28831379/lousy-chicks-chewing-lice-from-the-imperial-shag-leucocarbo-atriceps
#6
María Soledad Leonardi, Flavio Quintana
Forty-one imperial shag chicks were sampled for lice during the breeding season of 2014 in Punta León, Argentina. We found 2 lice species, Pectinopygus turbinatus infesting the body and Piagetiella caputincisum present in the oral cavity of the birds. This constitutes the first host record for P. turbinatus and the first record for the continental Argentina for P. caputincisum. Ninety-three percent of the chicks were infested by at least one lice species. P. turbinatus was present in all of the lousy chicks, while P...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28831378/why-do-nematomorphs-leave-their-hosts
#7
Giovanni Strona
Image 1.
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28808619/gastrointestinal-parasites-in-captive-and-free-ranging-cebus-albifrons-in-the-western-amazon-ecuador
#8
Sarah Martin-Solano, Gabriel A Carrillo-Bilbao, William Ramirez, Maritza Celi-Erazo, Marie-Claude Huynen, Bruno Levecke, Washington Benitez-Ortiz, Bertrand Losson
Currently, there is a lack of surveys that report the occurrence of gastrointestinal parasites in the white-headed capuchin monkey (Cebus albifrons). We therefore assessed the presence and richness (= number of different parasite genera) of parasites in C. albifrons in wildlife refuges (n = 11) and in a free-ranging group near a human village (n = 15) in the Ecuadorian Amazon. In the 78 samples collected (median of 3 samples per animal), we identified a total of 6 genera of gastrointestinal parasites, representing protozoa, nematodes, acanthocephalans and cestodes...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28794984/seasonality-richness-and-prevalence-of-intestinal-parasites-of-three-neotropical-primates-alouatta-seniculus-ateles-hybridus-and-cebus-versicolor-in-a-fragmented-forest-in-colombia
#9
Silvia Rondón, Mario Ortiz, Cielo León, Nelson Galvis, Andrés Link, Camila González
Studies on parasites infecting non-human primates are essential to better understand the potential threat to humans of zoonoses transmission, particularly under the current processes of pervasive land use change and biodiversity loss. The natural ecosystems in the Middle Magdalena river basin in Colombia have suffered a dramatic reduction and transformation into pastures and agroindustrial monocultures, threatening their biodiversity, and probably affecting the dynamics between parasites and their hosts, as well as altering the disease transmission cycles between wild populations and humans...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28765811/molecular-identification-and-characterization-of-partial-cox1-gene-from-caecal-worm-aulonocephalus-pennula-in-northern-bobwhite-colinus-virginianus-from-the-rolling-plains-ecoregion-of-texas
#10
Aravindan Kalyanasundaram, Kendall R Blanchard, Ronald J Kendall
Aulonocephalus pennula is a nematode living in the caeca of the wild Northern bobwhite quail (Colinus virginianus) present throughout the Rolling Plains Ecoregion of Texas. The cytochrome oxidase 1 (COX 1) gene of the mitochondrial genome was used to screen A. pennula in wild quail. Through BLAST analysis, similarity of A. pennula to other nematode parasites was compared at the nucleotide level. Phylogenetic analysis of A. pennula COX1 indicated relationships to Subuluridae, Ascarididae, and Anisakidae. This study on molecular characterization of A...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28765810/the-diversity-and-impact-of-hookworm-infections-in-wildlife
#11
REVIEW
Mauricio Seguel, Nicole Gottdenker
Hookworms are blood-feeding nematodes that parasitize the alimentary system of mammals. Despite their high pathogenic potential, little is known about their diversity and impact in wildlife populations. We conducted a systematic review of the literature on hookworm infections of wildlife and analyzed 218 studies qualitative and quantitatively. At least 68 hookworm species have been described in 9 orders, 24 families, and 111 species of wild mammals. Black bears, red foxes, and bobcats harbored the highest diversity of hookworm species and Ancylostoma pluridentatum, A...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28761812/spatio-temporal-variation-in-prevalence-and-intensity-of-trematodes-responsible-for-waterfowl-die-offs-in-faucet-snail-infested-waterbodies-of-minnesota-usa
#12
Charlotte L Roy, Véronique St-Louis
Several non-native trematodes hosted by the invasive Eurasian faucet snail, Bithynia tentaculata, have been causing die-offs of waterfowl in the Midwestern United States and Canada for several decades. Because of the potential implications of these die-offs on waterfowl in non-native settings, it is necessary to better understand the trematodes that cause the die-offs. Here, we studied the spatio-temporal dynamics of two trematodes, Cyathocotyle bushiensis and Sphaeridiotrema spp., known to infect waterfowl in northern Minnesota, USA, via their intermediate host, the faucet snail (Bithynia tentaculata)...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28736699/from-galapagos-doves-to-passerines-spillover-of-haemoproteus-multipigmentatus
#13
Maricruz Jaramillo, Sage Rohrer, Patricia G Parker
Haemoproteus (Haemoproteus) multipigmentatus, a haemosporidian parasite thought to be specific to columbiform birds, was detected in passeriform birds on Santiago Island in the Galapagos archipelago. We surveyed birds along an altitudinal gradient on the islands of Santa Cruz, Isabela and Santiago between June 2013 and July 2015. Molecular screening of 2254 individuals from 25 species of endemic and introduced birds revealed clusters of passerine birds positive for H. multipigmentatus on Santiago Island that coincide with captures of Galapagos doves at sampled sites...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28725553/behavioral-physiological-and-morphological-correlates-of-parasite-intensity-in-the-wild-cururu-toad-rhinella-icterica
#14
Eduardo Hermógenes Moretti, Braz Titon, Carla Bonetti Madelaire, Raquel de Arruda, Tatiana Alvarez, Fernando Ribeiro Gomes
Large numbers of parasites are found in various organs of anuran amphibians, with parasite intensities thought to modulate the host's Darwinian fitness traits. Interaction between the anuran hosts and their multiple parasites should modulate the host's phenotypic characteristic, such as those associated with high energetic demand (such as calling effort and locomotor performance), energy balance (standard metabolic rate), and morphological plasticity (as indicated by organ masses). The present study investigated the impact of parasite intensities on the behavioral, physiological, and morphological traits of wild adult male Rhinella icterica (Anura: Bufonidae)...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28725552/repeated-inoculations-with-the-lung-and-heartworm-nematode-angiostrongylus-vasorum-result-in-increasing-larval-excretion-and-worm-burden-in-the-red-fox-vulpes-vulpes
#15
Ian David Woolsey, P Webster, S Thamsborg, Manuela Schnyder, Jesper Monrad, C M O Kapel
The French heartworm Angiostongylus vasorum is found in European red fox (Vulpes vulpes) and dog populations, where it appears to be spreading geographically. Once introduced into new areas, it establishes in local fox populations, typically to over 50% prevalence in a few years. High susceptibility and constant excretion of first stage larvae (L1) by the definitive hosts are prerequisites for sustaining high parasite biomass in a particular habitat. The present study explores the hypothesis that repeated ingestion of gastropods in nature will result in accumulation of adult worms and elevated excretion of L1 in feces...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28626636/an-examination-of-endoparasites-and-fecal-testosterone-levels-in-flying-squirrels-glaucomys-spp-using-high-performance-liquid-chromatography-ultra-violet-hplc-uv
#16
Sarah N Waksmonski, Justin M Huffman, Carolyn G Mahan, Michael A Steele
The immuno-competence hypothesis proposes that higher levels of testosterone increases the susceptibility to parasitism. Here we examined the testosterone levels in two species of flying squirrels (Glaucomys): one known to regularly host a nematode species (Strongyloides robustus) without ill effects (G. volans) and a closely related species that is considered negatively affected by the parasite. We quantified fecal testosterone levels in northern and southern flying squirrels (G. sabrinus, G. volans) with high-performance liquid chromatography-ultraviolet spectroscopy (HPLC-UV), and compared levels to endoparasites detected in individual squirrels...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28626635/eosinophilic-meningoencephalitis-associated-with-rat-lungworm-angiostrongylus-cantonensis-migration-in-two-nine-banded-armadillos-dasypus-novemcinctus-and-an-opossum-didelphis-virginiana-in-the-southeastern-united-states
#17
Martha F Dalton, Heather Fenton, Christopher A Cleveland, Elizabeth J Elsmo, Michael J Yabsley
Angiostrongylus cantonensis, the rat lungworm, was the cause of neural larval migrans in two nine-banded armadillos (Dasypus novemcinctus) and one Virginia opossum (Didelphis virginiana) from the southeastern United States. Histologic findings in all three cases included eosinophilic meningoencephalitis with variable numbers of nematode larvae in the meninges or the neuroparenchyma. In two of the three cases, nematodes were extracted from brain tissue via a "squash prep" method. Identification of the nematodes was confirmed by amplification and sequence analysis of the partial cytochrome c oxidase subunit I gene from all three cases...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28620577/population-structure-of-the-soft-tick-ornithodoros-maritimus-and-its-associated-infectious-agents-within-a-colony-of-its-seabird-host-larus-michahellis
#18
Marlene Dupraz, Céline Toty, Elodie Devillers, Thomas Blanchon, Eric Elguero, Marion Vittecoq, Sara Moutailler, Karen D McCoy
The epidemiology of vector-borne zoonoses depends on the movement of both hosts and vectors, which can differ greatly in intensity across spatial scales. Because of their life history traits and small size, vector dispersal may be frequent, but limited in distance. However, little information is available on vector movement patterns at local spatial scales, and particularly for ticks, transmitting the greatest diversity of recognized infectious agents. To test the degree to which ticks can disperse and disseminate pathogens at local scales, we investigated the temporal dynamics and population structure of the soft tick Ornithodoros maritimus within a colony of its seabird host, the Yellow-legged gull Larus michahellis...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28603688/novel-piroplasmid-and-hepatozoon-organisms-infecting-the-wildlife-of-two-regions-of-the-brazilian-amazon
#19
Herbert S Soares, Arlei Marcili, Amália R M Barbieri, Antonio H H Minervino, Thiago Rocha Moreira, Solange M Gennari, Marcelo B Labruna
During 2009-2012, wild animals were sampled in two areas within the Amazon biome of Brazil, in the states of Mato Grosso and Pará. Animal tissues and blood were molecularly tested for the presence of Piroplasmida (genera Babesia, Theileria, Cytauxzoon) or Hepatozoon DNA. Overall, 181 wild animals comprising 36 different species (2 reptiles, 5 birds, and 29 mammals) were sampled. The following Piroplasmida agents were detected: Cytauxzoon felis in one ocelot (Leopardus pardalis), Theileria cervi in two red brocket deer (Mazama americana), Theileria spp...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28580298/camallanus-emydidius-n-sp-nematoda-camallanidae-in-trachemys-dorbigni-dum%C3%A3-ril-bibron-1835-testudines-emydidae-from-southern-brazil
#20
Carolina S Mascarenhas, Gertrud Müller
This paper describes a new species of Camallanus found in the freshwater turtle Trachemys dorbigni. Sixty hosts collected in Southern Brazil were examined. All hosts (100%) were parasitized by a new species of Camallanus, which was described as Camallanus emydidius n. sp. The new species differs from other Camallanus species of freshwater turtles mainly because of the morphology of the right spicule, the number of male precloacal and postcloacal papillae, and the presence of "mucrons" in the female posterior extremity...
August 2017: International Journal for Parasitology. Parasites and Wildlife
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