Abstract:
:The tripartite motif protein (TRIM)5α/CypA fusion protein TRIMCyp in Old World monkeys is generally considered unable to restrict HIV-1 replication. Monkeys with TRIMCyp can serve as a unique animal model for studies of HIV-1 infection. The present study investigated the distribution and expression status of TRIMCyp in four species of macaques originating from China and its borderlands: pigtail macaques (Macaca nemestrina), rhesus macaques (Macaca mulatta), long-tailed macaques (Macaca fascicularis), and Tibetan macaques (Macaca thibetana). The results revealed that the frequencies of the TRIMCyp genotype were significantly different among different species and even within different populations of the same species. Interestingly, the TRIMCyp genotype was more prevalent among macaques originating from Yunnan and surrounding regions than those from other regions of China. Importantly, TRIMCyp individuals were first identified in Chinese M. mulatta originating from Yunnan, although multiple earlier studies failed to find CypA retrotransposition in this subspecies. Furthermore, TRIMe7-CypA, one of the splicing isoforms of the TRIMCyp transcript was expressed in M. nemestrina and M. mulatta but not M. fascicularis. The intra- and interspecies polymorphisms in the deduced TRIMCyp amino acid sequences of these macaques were also analyzed. Taken together, the data in this study provide important information about the genomic background of TRIMCyp among major species of Chinese macaques.
journal_name
Immunogeneticsjournal_title
Immunogeneticsauthors
Yu CQ,Na L,Lv XL,Liu JD,Liu XM,Ji F,Zheng YH,Du HL,Kong XG,Zhou JHdoi
10.1007/s00251-012-0670-9subject
Has Abstractpub_date
2013-03-01 00:00:00pages
185-93issue
3eissn
0093-7711issn
1432-1211journal_volume
65pub_type
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