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https://www.readbyqxmd.com/read/29773145/pathological-and-molecular-characterization-of-systemic-isosporosis-atoxoplasmosis-in-captive-green-winged-saltator-saltator-similis
#1
Ayisa Rodrigues de Oliveira, Tayse Domingues de Souza, Juliana P S Mol, Mayra Cunha Flecher, Emy Hiura, Renato Lima Santos
Systemic isosporosis, also called atoxoplasmosis or visceral coccidiosis, is a disease that affects birds in general. Pathogenesis of systemic isosporosis and its etiologic agent have not been well characterized, but taxonomically Atoxoplasma is currently considered a junior objective synonym of Isospora. The present report aimed to describe pathological and molecular findings of systemic isosporosis in captive green-winged saltators (Saltator similis) from the State of Espírito Santo, Brazil. In a commercial breeding facility eleven birds with two to nine months of age died from 2015 to 2016...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29731476/prevalence-of-toxoplasma-gondii-and-other-intestinal-parasites-in-cats-in-tokachi-sub-prefecture-japan
#2
Doaa Salman, Wilawan Pumidonming, Eiji Oohashi, Makoto Igarashi
The present study investigated the prevalence of Toxoplasma gondii and other intestinal parasites in cats in the Tokachi subprefecture in Japan. A total of 365 household cats were included in the study, and 353 serum and 351 fecal samples were collected and analyzed. T. gondii IgG antibodies were detected in the sera of 16.14% of cats based on Latex agglutination test and ELISA. For ELISA, T. gondii RH strain tachyzoites lysate and T. gondii SAG2 recombinant protein were used as antigens. Low seropositivity was detected in cats younger than one year and older than 11 years; outdoor and hunter cats showed significantly high seropositivities...
May 2, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29721660/isospora-lopesi-n-sp-apicomplexa-eimeriidae-from-the-eastern-white-throated-spadebill-platyrinchus-mystaceus-vieillot-passeriformes-tyranni-tyrannidae-in-south-america
#3
Lidiane Maria da Silva-Carvalho, Danilo Giovanni Narciso Pastura, Jennifer Vieira Gomes, Priscyanne Barreto Siqueira, Mariana Borges Rodrigues, Viviane Moreira de Lima, Bruno Pereira Berto
A species of Isospora Schneider, 1881 (Protozoa: Apicomplexa: Eimeriidae) considered as new to science is described and characterised molecularly from the eastern white-throated spadebill Platyrinchus mystaceus Vieillot in the Parque Nacional do Itatiaia, southeastern Brazil. Isospora lopesi n. sp. has oöcysts that are subspheroidal to ovoidal, 18-24 × 18-22 (20.6 × 19.7) µm, with smooth, bilayered wall, c.1.5 μm thick. Micropyle and oöcyst residuum are absent, but one polar granule is present. Sporocysts are ellipsoidal, 12-16 × 8-11 (14...
May 2, 2018: Systematic Parasitology
https://www.readbyqxmd.com/read/29559150/development-of-an-immunochromatographic-test-based-on-monoclonal-antibodies-against-surface-antigen-3-tgsag3-for-rapid-detection-of-toxoplasma-gondii
#4
Jiaqing Luo, Hongchao Sun, Xianfeng Zhao, Suhua Wang, Xunhui Zhuo, Yi Yang, Xueqiu Chen, Chaoqun Yao, Aifang Du
The immunochromatographic test (ICT) is a convenient and low-cost method that can rapidly obtain results (10 min) under normal conditions. In this study, we established an ICT assay with two monoclonal antibodies: TgSAG3-3A7 and TgSAG3-4D5 based on the conserved protein of TgSAG3 that can be expressed in all the infective stages of T. gondii. 20 nm gold particles were prepared and conjugated with TgSAG3-3A7 MAb at the concentration of 12.5 μg/mL. TgSAG3-4D5 MAb were used as the capture antibody because of its higher affinity tested by ELISA...
March 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29559143/treatment-of-cryptosporidiosis-in-captive-green-iguanas-iguana-iguana
#5
Remigiusz Gałęcki, Rajmund Sokół
There are no standard guidelines for the treatment of cryptosporidiosis in reptiles. The aim of this study was to evaluate the efficacy of two cryptosporidiosis therapies in captive green iguanas. Eight green iguanas aged 2-6 years, including 6 (1 ♂ and 5 ♀) animals with chronic diarrhea, received treatment for cryptosporidiosis. The presence of Cryptosporidium sp. oocysts was determined in 8 iguanas (100%), Isospora sp. oocysts were detected in 3 animals (37.5%), and Oxyuridae eggs were observed in 5 iguanas (62...
March 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29549563/phylogenetic-evidence-for-an-ancestral-coevolution-between-a-major-clade-of-coccidian-parasites-and-elasmobranch-hosts
#6
Raquel Xavier, Joana L Santos, Ana Veríssimo
Cartilaginous fishes are the oldest jawed vertebrates and are also reported to be the hosts of some of the most basal lineages of Cestoda and Aporocotylidae (Digenea) parasites. Recently a phylogenetic analysis of the coccidia (Apicomplexa) infecting marine vertebrates revealed that the lesser spotted dogfish harbours parasite lineages basal to Eimeria Schneider, 1875 and the group formed by Schellackia Reichenow, 1919, Lankesterella Ames, 1923, Caryospora Leger, 1904 and Isospora Schneider, 1881. In the present study we have found additional lineages of coccidian parasites infecting the cownose ray Rhinoptera bonasus Mitchill and the blue shark Prionace glauca Linnaeus...
March 16, 2018: Systematic Parasitology
https://www.readbyqxmd.com/read/29529857/endoparasites-of-small-mammals-in-edo-state-nigeria-public-health-implications
#7
Clement Isaac, Benjamin Igho Igbinosa, John Asekhaen Ohiolei, Catherine Eki Osimen
Some small mammals occur as household pests and harbour a number of parasites that could be of public health importance. This study profiled the helminth and protozoan parasites in trapped small mammals within and around human dwelling places (houses) located across 4 major towns (Auchi, Benin, Ekpoma, and Uromi) and environs in Edo state, Nigeria. Six genera ( Apodemus sp., Crocidura sp., Mastomys natalensis , Mus musculus , Rattus sp., and Sorex sp.) were identified from 502 trapped small mammals. Overall, M...
February 2018: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/29527641/morphological-and-molecular-characterisation-of-isospora-butcherae-n-sp-in-a-silvereye-zosterops-lateralis-latham-1801
#8
Rongchang Yang, Belinda Brice, Fuchun Jian, Una Ryan
A new Isospora (Apicomplexa:Eimeriidae) species is described from a silvereye (Zosterops lateralis) in Western Australia. Sporulated oocysts of this species are spherical, 24.2 (23.1-25.2) × 23.3 (22.8-23.9) μm, with a shape index (length/width) of 1.02, and with a smooth bi-layered oocyst wall, 1.2 μm thick (outer layer 0.9 μm, inner 0.3 μm). A polar granule is present, but the oocyst residuum and a micropyle are absent. The ovoid-shaped sporocysts are 16.1 (15.7-17.3) × 10.5 (15.7-17.3) μm and have a shape index of 1...
May 2018: Parasitology Research
https://www.readbyqxmd.com/read/29517437/gastrointestinal-parasites-in-captive-and-free-ranging-birds-and-potential-cross-transmission-in-a-zoo-environment
#9
Patricio D Carrera-Játiva, Eric R Morgan, Michelle Barrows, Torsten Wronski
Gastrointestinal parasites are commonly reported in wild birds, but transmission amongst avifauna in zoological settings, and between these captive birds and wild birds in surrounding areas, remains poorly understood. A survey was undertaken to investigate the occurrence of gastrointestinal parasites in captive and free-ranging birds at Bristol Zoo Gardens between May and July 2016. A total of 348 fecal samples from 32 avian species were examined using the Mini-FLOTAC flotation method. Parasites were detected in 31% (45/145) of samples from captive birds and in 65...
March 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29512373/good-s-syndrome-association-of-the-late-onset-combined-immunodeficiency-with-thymoma-review-of-literature-and-case-report
#10
Marzieh Tavakol, Seyed Alireza Mahdaviani, Mir Reza Ghaemi, Mohammad Vaezi, Atosa Dorudinia, Hamidreza Jamaati, Ali Akbar Velayati
Good's syndrome, the adult onset hypogammaglobulinemia associated with thymoma has been explained about six decades ago. It generally presents with recurrent infections and several paraneoplastic syndromes including myasthenia gravis, pure red cell aplasia, connective tissue disorders, superior vena cava, Horner's syndrome, lichen planus and inflammatory bowel disease. Lack of B cell, dysfunction of T cell, CD4+ T cell lymphopenia, reversed CD4/CD8+ T cell ratio, autoantibodies against Th17 related cytokines have been respected as the pathogenesis of the immune dysregulation this syndrome...
February 2018: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29491982/smelling-fit-scent-marking-exposes-parasitic-infection-status-in-the-banded-mongoose
#11
Jessica Mitchell, Michael A Cant, Emma I K Vitikainen, Hazel J Nichols
Preference for uninfected mates is presumed beneficial as it minimizes one's risk of contracting an infection and infecting one's offspring. In avian systems, visual ornaments are often used to indicate parasite burdens and facilitate mate choice. However, in mammals, olfactory cues have been proposed to act as a mechanism allowing potential mates to be discriminated by infection status. The effect of infection upon mammalian mate choice is mainly studied in captive rodents where experimental trials support preference for the odors of uninfected mates and some data suggest scent marking is reduced in individuals with high infection burdens...
June 2017: Current Zoology
https://www.readbyqxmd.com/read/29423773/a-new-species-of-isospora-schneider-1881-apicomplexa-eimeriidae-from-the-twist-necked-turtle-platemys-platycephala-schneider-testudines-chelidae-in-brazil
#12
Jamille Karina Coelho Correa, Emil José Hernández-Ruz, Marcos Tobias de Santana Miglionico, Lúcio André Viana
A new coccidian species of the genus Isospora Schneider 1881 (Apicomplexa, Eimeriidae) is reported from a single specimen of chelid turtle, Platemys platycephala (Schneider, 1792), obtained in a flooded area of the Amazonian municipality of Altamira, in Pará State, northern Brazil. The oöcysts of Isospora platemysi n. sp. are subspheroidal, 19.0-24.0 × 22.5-18.5 (22.6 × 20.8) µm in size [length/width ratio 1.0-1.1 (1.1)], with a colourless wall, 1.0-1.9 (1.4) wide, with two smooth layers; polar granule is present, oöcyst residuum and micropyle are both absent...
March 2018: Systematic Parasitology
https://www.readbyqxmd.com/read/29383500/prevalence-and-genetic-characterization-of-eimeriid-coccidia-from-feces-of-black-necked-cranes-grus-nigricollis
#13
Yu Liang, ZiJiao Zhao, JunJie Hu, Gerald W Esch, MingChun Peng, Qiong Liu, JinQing Chen
Disseminated visceral coccidiosis (DVC) is a widely distributed intestinal and extraintestinal disease of cranes caused by eimeriid coccidia and has lethal pathogenicity to several crane species. Here, feces of 164 black-necked cranes collected in Dashanbao Black-necked Crane National Nature Reserve, China, were examined to determine the prevalence of coccidial oocysts. Of the 164 fecal samples, 76 (46.3%) were positive for oocysts of Eimeria, including E. gruis in 59 (35.9%), E. reichenowi in 52 (31.7%), and E...
March 2018: Parasitology Research
https://www.readbyqxmd.com/read/29370873/phylogenetic-analysis-of-apicomplexan-parasites-infecting-commercially-valuable-species-from-the-north-east-atlantic-reveals-high-levels-of-diversity-and-insights-into-the-evolution-of-the-group
#14
Raquel Xavier, Ricardo Severino, Marcos Pérez-Losada, Camino Gestal, Rita Freitas, D James Harris, Ana Veríssimo, Daniela Rosado, Joanne Cable
BACKGROUND: The Apicomplexa from aquatic environments are understudied relative to their terrestrial counterparts, and the seminal work assessing the phylogenetic relations of fish-infecting lineages is mostly based on freshwater hosts. The taxonomic uncertainty of some apicomplexan groups, such as the coccidia, is high and many genera were recently shown to be paraphyletic, questioning the value of strict morphological and ecological traits for parasite classification. Here, we surveyed the genetic diversity of the Apicomplexa in several commercially valuable vertebrates from the North-East Atlantic, including farmed fish...
January 25, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29369722/the-occurrence-of-some-nonblood-protozoan-parasites-in-wild-and-domestic-mammals-in-south-africa
#15
Radka Lukášová, Ali Halajian, Eva Bártová, Kateřina Kobédová, Lourens H Swanepoel, M Justin O'Riain
  Relatively little is known about protozoan parasites in African animals. Here we investigated the occurrence of protozoan parasites in mammals from South Africa. Oocysts of protozoan parasites were detected in 13 of 56 (23%) fecal samples using conventional microscopic examination methods. Cryptosporidium spp. and Cystoisospora spp. were detected in eight (14%) and five (9%) samples, respectively. Mixed parasitic infection of Cryptosporidium spp. and Cystoisospora spp. was recorded in banded mongoose ( Mungos mungo)...
April 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29316950/prevalence-of-cryptosporidium-microsporidia-and-isospora-infection-in-hiv-infected-people-a-global-systematic-review-and-meta-analysis
#16
REVIEW
Ze-Dong Wang, Quan Liu, Huan-Huan Liu, Shuang Li, Li Zhang, Yong-Kun Zhao, Xing-Quan Zhu
BACKGROUND: Diarrhea caused by opportunistic intestinal protozoa is a common problem in HIV infection. We aimed to establish the prevalence of Cryptosporidium, misrosporidia, and Isospora in HIV-infected people using a systematic review and meta-analysis, which is central to developing public policy and clinical services. METHODS: We searched PubMed, ScienceDirect, Google Scholar, Embase, Chinese Web of Knowledge, Wanfang, and Chongqing VIP databases for studies reporting Cryptosporidium, microsporidia, or Isospora infection in HIV-infected people...
January 9, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29173542/regression-models-to-assess-the-risk-factors-of-canine-gastrointestinal-parasitism
#17
I Symeonidou, A Ι Gelasakis, K V Arsenopoulos, R Schaper, E Papadopoulos
Gastrointestinal parasites, protozoa and helminths, remain a common important finding in dogs presented to veterinary medical practices. Moreover, dogs may play an active role in the transmission of enteric parasites to humans, given their cohabitation, making canine gastrointestinal parasitism an issue of major concern for public health. To get an overview of the current state of canine gastrointestinal parasites' prevalence in Greece, a total of 1036 faecal samples were collected from dogs either presented in veterinary clinics or in animal shelters...
December 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29115153/molecular-and-morphological-description-of-isospora-sp-from-the-common-mynah-acridotheres-tristis-and-a-preliminary-survey-of-two-anticoccidial-drugs-in-natural-infection
#18
Seyed Ahmad Madani, Fatemeh Arabkhazaeli, Elyas Shakeri, Sedigheh Nabian
Coccidian parasites, especially Isospora, are prevalent parasites in Passeriformes. Isosporan oocysts from common mynahs (Acridotheres tristis) are incompletely described. Detailed knowledge on biology, prevalence, pathogenesis and treatment of avian isosporiasis is scant. In this study, isosporan oocysts isolated from common mynahs were morphologically and molecularly characterized. The medication efficiencies of diclazuril and sulfadiazine-trimethoprim in isosporiasis in naturally infected mynahs were evaluated...
April 2018: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/29114134/epidemiological-investigation-of-gastrointestinal-parasites-in-dog-populations-in-basra-province-southern-iraq
#19
Khawla B N Al-Jassim, Yasser S Mahmmod, Zainab M Salem, Azmi Al-Jubury
The understanding of the epidemiology of canine parasitic infections is necessary for an efficient control program to minimize the risk of zoonotic transmission. The objectives of this study were (1) to determine the prevalence of canine gastrointestinal helminths and protozoa in Basra province, Southern Iraq, and (2) to identify the association of epidemiological characteristics (age, breed, gender, and feed type) of dogs with the parasitic infections. A total of 93 fecal samples, collected in the period from December 2014 to June 2015, were examined macroscopically and microscopically for the presence of worm eggs and protozoal oocysts, using centrifugal flotation method...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29091123/diversity-and-distribution-of-coccidia-of-wild-birds-in-an-atlantic-forest-fragment-area-in-southeastern-brazil
#20
Patrícia Silva de Oliveira, Matheus Alexandre Ferreira, Lidiane Maria da Silva, Mariana Borges Rodrigues, Sergian Vianna Cardozo, Bruno Pereira Berto
Coccidia are protozoan parasites that are frequently observed in fecal samples from wild birds, and they are extremely important for biodiversity, host specificity and conservation. The aim of the present study was to identify and quantify the coccidian species from wild birds caught in a fragmented area of Atlantic Forest in the municipality of Guapimirim in the state of Rio de Janeiro, which is located around the Serra dos Órgãos National Park. A total of 101 birds were caught and identified. The highest prevalence and density were observed in the family Columbidae (Columbiformes)...
October 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
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