期刊
REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA
卷 30, 期 3, 页码 -出版社
BRAZILIAN COLL VETERINARY PARASITOLOGY
DOI: 10.1590/S1984-29612021059
关键词
Sarcocystis neurona; Sarcocystis falcatula; marsupial; Sarcocystidae
资金
- National Council for Scientific and Technological Development (CNPq)
- Coordination Office for the Improvement of Higher-Education Personnel (CAPES)
Sarcocystis parasites are obligate heteroxenous cyst-forming coccidia that infect a wide variety of animals, with species shed by South American opossums showing biological and genetic differences from those shed by North American opossums.
Protozoan parasites of the genus Sarcocystis are obligatory heteroxenous cyst-forming coccidia that infect a wide variety of animals and encompass approximately 200 described species. At least four Sarcocystis spp. (S. falcatula, S. neurona, S. lindsayi and S. speeri) use opossums (Didelphis spp.) as definitive hosts, and two of them, S. neurona and S. falcatula, are known to cause disease in horses and birds, respectively. Opossums are restricted to the Americas, but their distribution in the Americas is heterogeneous. Five Didelphis spp. are distributed in South America (D. aurita, D. albiventris, D. marsupialis, D. imperfecta and D. pernigra) whereas just one opossum species (D. virginiana) is found in North America. Studies conducted in the last decades show that Sarcocystis spp., derived from South American Didelphis spp., have biological and genetic differences in relation to Sarcocystis spp. shed by the North American opossum D. virginiana. The aim of this review was to address the peculiar scenario of Sarcocystis species shed by South American opossums, with a special focus on diagnosis, epidemiology, and animal infections, as well as the genetic characteristics of these parasites.
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