Yue Xie, Zhihe Zhang, Chengdong Wang, Jingchao Lan, Yan Li, Zhigang Chen, Yan Fu, Huaming Nie, Ning Yan, Xiaobin Gu, Shuxian Wang, Xuerong Peng, Guangyou Yang,
Roundworms of the genus Baylisascaris are the most common parasitic nematodes of the intestinal tracts of wild mammals, and most of them have significant impacts ... we determined the complete sequences of mtDNAs for Baylisascaris schroederi, Baylisascaris ailuri and Baylisascaris transfuga, with 14,778 bp, 14,657 bp ... chromadorean nematodes. The gene arrangements for the three Baylisascaris species are the same as those of the ... from nine nematode species indicated that the three Baylisascaris species are more closely related to Ascaris suum ...
Tópico(s): Helminth infection and control
2011 - Elsevier BV | Gene
Walter M. Boyce, Brent A. Branstetter, Kevin R. Kazacos,
... Comparative analysis of larval excretory-secretory antigens of Baylisascaris procyonis, Toxocara canis and Ascaris suum by Western ... antigens were collected from in vitro cultures of Baylisascaris procyonis, Toxocara canis and Ascaris suum and fractionated ... mice infected with either Ascaris suum, Toxocara canis, Baylisascaris procyonis, Baylisascaris melis, Baylisascaris transfuga, Baylisascaris columnaris or Toxascaris leonina. Widespread cross-reactivity was ... recognized only by sera from mice infected with Baylisascaris spp., and these antigens may be useful for ...
Tópico(s): Study of Mite Species
1988 - Elsevier BV | International Journal for Parasitology
Marc A. Goldberg, Kevin R. Kazacos, Walter M. Boyce, Everett Ai, Barrett Katz,
... along with morphometric, serologic, and epidemiologic evidence supporting Baylisascaris procyonis as its cause. Methods: One patient was ... done from projected fundus photographs. Serologic evidence of Baylisascaris infection was suggested by Western blot analysis. A ... the area. They were examined for evidence of Baylisascaris infection, previously believed to be nonendemic in the ... measured 1727 X 67 µm, most consistent with Baylisascaris. The patient had considerable exposure to raccoons, and ... along with morphometric, serologic, and epidemiologic evidence supporting Baylisascaris procyonis as its cause. Methods: One patient was ...
Tópico(s): Bartonella species infections research
1993 - Elsevier BV | Ophthalmology
Arlett Pérez Mata, Herakles A. García, José G. Parra,
... primera vez un caso de infección natural por Baylisascaris sp. en un oso andino de anteojos (Tremarctos ... lumen intestinal. Los nematodos fueron morfológicamente identificados como Baylisascaris sp. morfológicamente cercano a Baylisascaris transfuga (Rudolphi, 1819), difiriendo en el número de papilas caudales. Baylisascaris transfuga ha sido registrado en diferentes especies de ... del 5.8S lo posiciona dentro del género Baylisascaris. Adicionalmente, se observaron importantes divergencias cuando se comparó ...
Tópico(s): Rabbits: Nutrition, Reproduction, Health
2016 - | Neotropical Helminthology
Toshihiro Tokiwa, Shohei Nakamura, Kensuke Taira, Yumi Une,
We describe a new nematode species, Baylisascaris potosis n. sp., isolated from captive kinkajou, Potos flavus, from the Cooperative Republic of Guyana. The nematode was found in fecal specimens, ... confirmed genetically. The new species is similar to Baylisascaris procyonis, Baylisascaris columnaris, and other Baylisascaris species, but is distinguished by the position of ... distinct from all the members of the genus Baylisascaris, and groups with B. procyonis and B. columnaris. ... is the 10th species assigned to the genus Baylisascaris.
Tópico(s): Helminth infection and control
2014 - Elsevier BV | Parasitology International
Sarah G. H. Sapp, Pooja Gupta, Melissa K. Martin, Maureen H. Murray, Kevin D. Niedringhaus, Madeleine A. Pfaff, Michael J. Yabsley,
A total of 10 species of Baylisascaris, a genus of ascaridoid nematodes, occur worldwide and 6 of them occur in the New World. Most of the Baylisascaris species have a similar life cycle with carnivorous ... in humans and many wildlife species. However, other Baylisascaris species could cause larva migrans but research on ... diversity, and general ecology of these non-raccoon Baylisascaris species. Here, we provide a comprehensive review of the current knowledge of New World Baylisascaris species, including B. columnaris of skunks, B. transfuga ...
Tópico(s): Helminth infection and control
2017 - Elsevier BV | International Journal for Parasitology Parasites and Wildlife
Sriveny Dangoudoubiyam, Ramesh Vemulapalli, Momar Ndao, Kevin R. Kazacos,
Baylisascaris larva migrans is an important zoonotic disease caused by Baylisascaris procyonis, the raccoon roundworm, and is being increasingly ... of improved serological assays for the diagnosis of Baylisascaris larva migrans. In this study, we tested a ... ELISA, including samples from 20 patients with clinical Baylisascaris larva migrans, 137 patients with other parasitic infections ( ... and reliable in the diagnosis and seroepidemiology of Baylisascaris larva migrans by ELISA.
Tópico(s): Parasites and Host Interactions
2011 - American Society for Microbiology | Clinical and Vaccine Immunology
Kensuke Taira, Yumi Une, Viliam Šnábel, Hiromu Sugiyama,
Abstract The nematodes of genus Baylisascaris are common intestinal roundworms of carnivores such as raccoons, skunks, badgers, martens and bears. This report describes Baylisascaris sp. infection in a pet kinkajou Potos flavus ... further differentiate the kinkajou’s roundworm from recognized Baylisascaris species. This classified the studied isolate as referring to Baylisascaris sp., with its precise species delineation remaining to be determined. Given that the Baylisascaris sp. from the kinkajou is genetically closely affiliated ...
Tópico(s): Helminth infection and control
2013 - De Gruyter Open | Helminthologia
Marcos Antônio Bezerra‐Santos, Jairo Alfonso Mendoza‐Roldan, R.C.A. Thompson, Filipe Dantas‐Torres, Domenico Otranto,
... al.Illegal wildlife imports more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. ... al.Illegal wildlife imports more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. ... also been recorded for zoonotic endoparasites, such as Baylisascaris procyonis, Toxascaris sp., and Toxocara sp. in racoons ( ... al.Illegal wildlife imports more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. ... al.Illegal wildlife imports more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. ...
Tópico(s): Wildlife Ecology and Conservation
2021 - Elsevier BV | Trends in Parasitology
Scott D. Fitzgerald, M. Randall White, Kevin R. Kazacos,
Encephalitis is associated with the migration of Baylisascaris sp. larvae in a number of animal species, including mice, squirrels, woodchucks, rabbits, foxes, various birds, and humans. The species of Baylisascaris most often incriminated has been B. procyonis from raccoons. In a recent report of Baylisascaris sp. infection in American porcupines (Erethizon dorsatum) with ... clinical signs, microscopic lesions, and epidemiologic investigation of Baylisascaris sp. infection causing progressive central nervous system (CNS) ...
Tópico(s): Toxoplasma gondii Research Studies
1991 - SAGE Publishing | Journal of Veterinary Diagnostic Investigation
Jurriaan M. Peters, Vandana L. Madhavan, Kevin R. Kazacos, Robert N. Husson, Sriveny Dangoudoubiyam, Janet S. Soul,
... neural larva migrans caused by the raccoon roundworm Baylisascaris procyonis. He presented with fever, meningismus, lethargy, irritability ... blot. Field examination with soil sampling yielded infective Baylisascaris eggs. Repeat MRI 3 months later showed atrophy ... the first in which spinal involvement in human Baylisascaris infection was clinically suspected and confirmed by neuroimaging. Importantly, early diagnosis and aggressive treatment of Baylisascaris meningo-encephalitis and myelitis with albendazole and high- ...
Tópico(s): Helminth infection and control
2012 - American Academy of Pediatrics | PEDIATRICS
Hiroshi Sato, Yumi Une, Shigehisa Kawakami, Eriko Saito, Haruo Kamiya, Nobuaki Akao, Hidefumi Furuoka,
... American black bears (Ursus americanus) harboring zoonotic roundworms (Baylisascaris transfuga). Close to this enclosure, a cote for ... detect the infection of raccoons with zoonotic roundworms (Baylisascaris procyonis). Postmortem histological examination of the latest 2 ... fatal larva migrans, we analyzed 2 additional encapsulated Baylisascaris larvae collected from formalin-fixed lungs by morphological ... This sporadic outbreak is the second record of Baylisascaris larva migrans in animals in Japan.
Tópico(s): Insect and Pesticide Research
2005 - American Society of Parasitologists | Journal of Parasitology
Anita D. Sircar, Francisca Abanyie, Dean A. Blumberg, Peter Chin‐Hong, Katrina S. Coulter, Dennis Cunningham, W. Charles Huskins, Charles Langelier, Michael Reid, Brian J. Scott, Debbie-Ann Shirley, Jennifer M. Babik, Aleksandra Belova, Sarah G. H. Sapp, Isabel McAuliffe, Hilda N. Rivera, Michael J. Yabsley, Susan P. Montgomery,
Baylisascaris procyonis, predominantly found in raccoons, is a ubiquitous roundworm found throughout North America. Although raccoons are ... infected with the parasite, the larval form of Baylisascaris procyonis can result in fatal human disease or ... if not treated rapidly. In the United States, Baylisascaris procyonis is more commonly enzootic in raccoons in ... baylisascariasis cases in the United States diagnosed by Baylisascaris procyonis immunoblot testing at CDC are described, including ... where raccoons defecate) are critical interventions in curbing Baylisascaris infections. Early treatment of suspected cases is critical ...
Tópico(s): Mollusks and Parasites Studies
2016 - Centers for Disease Control and Prevention | MMWR Morbidity and Mortality Weekly Report
Eric P. Hoberg, Kathleen A. Burek‐Huntington, Kimberlee B. Beckmen, Lauren E. Camp, Steven A. Nadler,
Larval Baylisascaris nematodes (L3), resulting from transuterine infection and neural migration, were discovered in the cerebrum of sibling moose ... identification, linking morphology, biogeography, and molecular phylogenetics, of Baylisascaris transfuga in naturally infected ungulates. Life history and ... zones of sympatry for multi-species assemblages of Baylisascaris across the Holarctic region presumptive identification of B. ... neural and somatic larval migrans involving species of Baylisascaris in mammalian and other vertebrate hosts should include ...
Tópico(s): Clostridium difficile and Clostridium perfringens research
2018 - Elsevier BV | International Journal for Parasitology Parasites and Wildlife
Kevin R. Kazacos, Evelyn A. Kazacos,
... which were experimentally infected with 72,000 embryonated Baylisascaris procyonis eggs of raccoon origin developed lesions limited ... in the mucosa and submucosa, in association with Baylisascaris larvae; similar lesions were seen in the mesenteric ... submucosa and muscle layers surrounding nonviable remnants of Baylisascaris larvae. Larvae or lesions were not seen in ...
Tópico(s): Parasitic Infections and Diagnostics
1984 - American Veterinary Medical Association | American Journal of Veterinary Research
... for intergeneric electrophoretic comparisons.Congeneric electrophoretic comparisons of Baylisascaris procyonis (host-raccoon) versus Baylisascaris transfuga (host-black bear), and Toxocara canis (host- ... from 1 electrophoretic clock calibration suggest that the Baylisascaris species have not shared a common ancestor for ... the Toxocara species diverged 33 Myr ago.The Baylisascaris divergence estimate corresponds to host-family divergence estimates ...
Tópico(s): Coccidia and coccidiosis research
1987 - American Society of Parasitologists | Journal of Parasitology
Larval Baylisascaris nematodes (L3), resulting from transuterine infection and neural migration, were discovered in the cerebrum of sibling moose ... identification, linking morphology, biogeography, and molecular phylogenetics, of Baylisascaris transfuga in naturally infected ungulates. Life history and ... zones of sympatry for multi-species assemblages of Baylisascaris across the Holarctic region presumptive identification of B. ... neural and somatic larval migrans involving species of Baylisascaris in mammalian and other vertebrate hosts should include ...
Tópico(s): Parasitic Infections and Diagnostics
1986 - Elsevier BV | Parasitology Today
L. Kristen Page, Stanley D. Gehrt, Andrea Cascione, Kenneth F. Kellner,
... Raccoons (Procyon lotor) are the definitive host of Baylisascaris procyonis, an intestinal roundworm. Transmission of this parasite ... dynamics among 3 subpopulations within the larger study. Baylisascaris procyonis was seen in 39% of 307 necropsied ... as a function of host age and sex. Baylisascaris procyonis was observed in 18% of 433 fecal ...
Tópico(s): Parasitic Infections and Diagnostics
2009 - American Society of Parasitologists | Journal of Parasitology
Marco De Ambrogi, Mahdis Aghazadeh, Carlos Hermosilla, Đuro Huber, Dario Majnarić, Slaven Reljić, Jocelyn G. Elson-Riggins,
... a range of parasites. In particular, the genus Baylisascaris is an emerging parasite of wild animals which ... 100 species of birds, mammals and also humans. Baylisascaris transfuga is the species reported from bears, and ... allows the detection of a minimum of two Baylisascaris eggs in 25 mg of faecal material, thus ...
Tópico(s): Wildlife Ecology and Conservation
2011 - Elsevier BV | Veterinary Parasitology
Hiroshi Sato, Kayoko Matsuo, Arihiro Osanai, Haruo Kamiya, Nobuaki Akao, Shigeo Owaki, Hidefumi Furuoka,
Raccoon roundworms (Baylisascaris procyonis) and other Baylisascaris species cause patent or latent larva migrans (LM) in a variety of mammals and birds, including humans. It is not clear whether LM by Baylisascaris transfuga, roundworms of bears, is associated with clinical ...
Tópico(s): Beetle Biology and Toxicology Studies
2004 - American Society of Parasitologists | Journal of Parasitology
... this case. Necrosis with microscopic lesions typical of Baylisascaris spp. neural larva migrans was in the brain. ... and a brain squash performed and analyzed, no Baylisascaris larvae were found. This is the first presumptive case of Baylisascaris in a feral psittacine.
Tópico(s): Vector-borne infectious diseases
2014 - American Association of Zoo Veterinarians | Journal of Zoo and Wildlife Medicine
Kevin R. Kazacos, Linda A. Jelicks, Herbert B. Tanowitz,
Baylisascaris procyonis is a roundworm of the raccoon found primarily in North America but also known to ... the prognosis for improved vision is poor. Related Baylisascaris species occur in skunks, badgers, and certain other ... cases of NLM are caused by B. procyonis. Baylisascaris procyonis has also been found in kinkajous in ...
Tópico(s): Parasites and Host Interactions
2013 - Elsevier BV | Handbook of clinical neurology
L. Kristen Page, Robert K. Swihart, Kevin R. Kazacos,
Baylisascaris procyonis, the common large roundworm of raccoons (Procyon lotor), causes clinical neurologic disease in many species ... and examined these samples for the presence of Baylisascaris procyonis eggs. We also quantified the structural characteristics ... in infection with B. procyonis. In this way, Baylisascaris procyonis could have long-term impacts on populations ...
Tópico(s): Yersinia bacterium, plague, ectoparasites research
1998 - University of Notre Dame | The American Midland Naturalist
Michael J. Yabsley, Sarah G. H. Sapp,
Dogs are alternative definitive hosts for Baylisascaris procyonis, the raccoon roundworm, but broad-scale prevalence and distribution of canine cases is not known. Based on a large dataset from nationwide reference laboratories, Baylisascaris spp. eggs were detected in 504/9,487, ... spurious, these results demonstrate that dogs may shed Baylisascaris spp. into domestic environments. Routine parasitic testing, rigorous ...
Tópico(s): Dermatological diseases and infestations
2017 - Elsevier BV | Veterinary Parasitology Regional Studies and Reports
Gabriela Štrkolcová, M. Goldová, Viliam Šnábel, Marta Špakulová, Tatiana Orosová, M. Halán, Jana Mojžišová,
The genus Baylisascaris (order Ascaridida) includes numerous relatively host-specific nematodes, which are common in intestines of wild mammals. Some of ... a wide range of mammals, birds, and humans. Baylisascaris transfuga is a parasite occurring in a range ... the inhabited areas, might be markedly contaminated by Baylisascaris eggs. The ability of B. transfuga to serve ...
Tópico(s): Parasitic Infections and Diagnostics
2018 - Springer Science+Business Media | Acta Parasitologica
Toshihiro Tokiwa, Kensuke Taira, Yumi Une,
The present study evaluated the pathogenicity of Baylisascaris potosis, a newly described ascarid nematode, in Mongolian gerbils. Gerbils were infected with varying doses of either B. potosis or Baylisascaris transfuga embryonated eggs (100, 1,000, and 4,000) for 30 days postinfection (pi). Baylisascaris potosis–infected gerbils showed no clinical signs of ...
Tópico(s): Parasite Biology and Host Interactions
2014 - American Society of Parasitologists | Journal of Parasitology
Youna Choi, Sara Mason, Michael Ahlborn, Brook Zscheile, Eric Wilson,
Members of the genus Baylisascaris utilize omnivores or carnivores as their definitive hosts. The best known member of this genus is Baylisascaris procyonis, which is an intestinal parasite of raccoons. ... provide additional molecular targets for the differentiation of Baylisascaris species through clarification of genetic differences between B. ...
Tópico(s): Helminth infection and control
2017 - Elsevier BV | International Journal for Parasitology Parasites and Wildlife
A new species of ascaridoid nematode, Baylisascaris tasmaniensis , is described from three marsupial carnivores of Tasmania, namely Sarcophilus harrisi, Dasyurus viverrinus , and Dasyurops maculatus . The new species is differentiated from other species in the genus Baylisascaris and the phylogenetic affinities within the genus are ...
Tópico(s): Wildlife Ecology and Conservation
1970 - Cambridge University Press | Parasitology
Kevin R. Kazacos, W. A. Vestre, Evelyn A. Kazacos, Lawrence A. Raymond,
... nematodes, match the size range of larvae of Baylisascaris sp, common intestinal roundworms of lower carnivores, including raccoons and skunks. In our opinion, Baylisascaris larvae, especially Baylisascaris procyonis from raccoons, are a probable cause of ...
Tópico(s): Dermatological diseases and infestations
1984 - American Medical Association | Archives of Ophthalmology
Marcy J. Souza, Edward C. Ramsay, Sharon Patton, John C. New,
... 2007 throughout eastern Tennessee. Necropsies were performed, and Baylisascaris procyonis was collected from the gastrointestinal tract of ... differences in prevalence rates between the different groups. Baylisascaris procyonis is an ascarid infection of raccoons that ...
Tópico(s): Dermatological diseases and infestations
2009 - Wildlife Disease Association | Journal of Wildlife Diseases