The occurrence of Toxocara malaysiensis in cats in China, confirmed by sequence-based analyses of ribosomal DNA.

Parasitology Research
Ming-Wei LiDennis E Jacobs

Abstract

Non-isotopic polymerase chain reaction (PCR)-based single-strand conformation polymorphism and sequence analyses of the second internal transcribed spacer (ITS-2) of nuclear ribosomal DNA (rDNA) were utilized to genetically characterise ascaridoids from dogs and cats from China by comparison with those from other countries. The study showed that Toxocara canis, Toxocara cati, and Toxascaris leonina from China were genetically the same as those from other geographical origins. Specimens from cats from Guangzhou, China, which were morphologically consistent with Toxocara malaysiensis, were the same genetically as those from Malaysia, with the exception of a polymorphism in the ITS-2 but no unequivocal sequence difference. This is the first report of T. malaysiensis in cats outside of Malaysia (from where it was originally described), supporting the proposal that this species has a broader geographical distribution. The molecular approach employed provides a powerful tool for elucidating the biology, epidemiology, and zoonotic significance of T. malaysiensis.

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Citations

May 3, 2007·Parasitology Research·Aarón Rodríguez-CaballeroMario N Martínez-Gordillo
Aug 21, 2013·International Journal for Parasitology·Calum N L Macpherson
Jul 31, 2012·Parasites & Vectors·Jia ChenXing-Quan Zhu
Jan 8, 2016·Systematic Parasitology·Liang LiLu-Ping Zhang
Nov 21, 2015·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Thanh Hoa LeRobin B Gasser
Mar 27, 2016·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Yan-Zi WenDe-Hua Lai
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May 10, 2012·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Jia ChenXing-Quan Zhu
May 15, 2013·Veterinary Parasitology·Siti Nursheena Mohd ZainJohn W Lewis
Jun 16, 2016·Parasitology Research·Miao-Miao SunXing-Quan Zhu
Dec 26, 2018·Journal of Veterinary Research·Bekir OguzM Serdar Deger
Aug 15, 2019·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Ali RostamiRobin B Gasser
May 28, 2020·Veterinary Parasitology·Natália M N FavaPeter Nejsum

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