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KMID : 0425120190570010043
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Parasites, Hosts and Diseases
2019 Volume.57 No. 1 p.43 ~ p.47
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Anaplasma marginale and A. platys Characterized from Dairy and Indigenous Cattle and Dogs in Northern Vietnam
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Chien Nguyen Thi Hong
Nguyen Thi Lan
Bui Khanh Linh
Nguyen Tho Van
Le Thanh Hoa
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Abstract
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Anaplasma marginale and A. platys were detected and characterized (16S rDNA sequence analysis) from dairy and indigenous cattle, and the latter in domestic dogs in Vietnam. A phylogenetic tree was inferred from 26 representative strains/species of Anaplasma spp. including 10 new sequences from Vietnam. Seven of our Vietnamese sequences fell into the clade of A. marginale and 3 into A. platys, with strong nodal support of 99 and 90%, respectively. Low genetic distances (0.2?0.4%) within each species supported the identification. Anaplasma platys is able to infect humans. Our discovery of this species in cattle and domestic dogs raises considerable concern about zoonotic transmission in Vietnam. Further systematic investigations are needed to gain data for Anaplasma spp. and members of Anaplasmataceae in animal hosts, vectors and humans across Vietnam.
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KEYWORD
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Anaplasma marginale, Anaplasma platys, hybrid dairy cattle, indigenous cattle, domestic dog, phylogeny, 16S rDNA, Vietnam
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