Adaptive duplication and genetic diversification of protein kinase R contribute to the specificity of bat-virus interactions.
Adaptive duplication and genetic diversification of protein kinase R contribute to the specificity of bat-virus interactions.
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DOI:
10.1126/sciadv.add7540
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发表时间:
2022-11-25
期刊:
影响因子:
13.6
通讯作者:
中科院分区:
文献类型:
--
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Several bat species act as asymptomatic reservoirs for many viruses that are highly pathogenic in other mammals. Here, we have characterized the functional diversification of the protein kinase R (PKR), a major antiviral innate defense system. Our data indicate that PKR has evolved under positive selection and has undergone repeated genomic duplications in bats in contrast to all studied mammals that have a single copy of the gene. Functional testing of the relationship between PKR and poxvirus antagonists revealed how an evolutionary conflict with ancient pathogenic poxviruses has shaped a specific bat host-virus interface. We determined that duplicated PKRs of the Myotis species have undergone genetic diversification, allowing them to collectively escape from and enhance the control of DNA and RNA viruses. These findings suggest that viral-driven adaptations in PKR contribute to modern virus-bat interactions and may account for bat-specific immunity. Exceptional adaptations in bat PKR drive host-specific interactions with modern viruses and potent antiviral response in bats.
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影响因子:
5.2
作者:
Cesaro T;Michiels T
通讯作者:
Michiels T
DOI:
10.1126/science.abc6405
发表时间:
2021-02-19
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Cosby RL;Judd J;Zhang R;Zhong A;Garry N;Pritham EJ;Feschotte C
通讯作者:
Feschotte C
DOI:
10.1073/pnas.90.10.4616
发表时间:
1993-05-15
影响因子:
11.1
作者:
DEVER, TE;CHEN, JJ;HINNEBUSCH, AG
通讯作者:
HINNEBUSCH, AG
影响因子:
--
作者:
Hoff, Katharina J;Stanke, Mario
通讯作者:
Stanke, Mario
影响因子:
64.8
作者:
Elde NC;Child SJ;Geballe AP;Malik HS
通讯作者:
Malik HS