Differential evolution of antiretroviral restriction factors in pteropid bats as revealed by APOBEC3 gene complexity

Hayward, J, Tachedjian, M, Cui, J, Cheng, A, Johnson, A, Baker, M, Harris, R, Wang, L and Tachedjian, G 2018, 'Differential evolution of antiretroviral restriction factors in pteropid bats as revealed by APOBEC3 gene complexity', Molecular Biology and Evolution, vol. 35, no. 7, pp. 1626-1637.


Document type: Journal Article
Collection: Journal Articles

Title Differential evolution of antiretroviral restriction factors in pteropid bats as revealed by APOBEC3 gene complexity
Author(s) Hayward, J
Tachedjian, M
Cui, J
Cheng, A
Johnson, A
Baker, M
Harris, R
Wang, L
Tachedjian, G
Year 2018
Journal name Molecular Biology and Evolution
Volume number 35
Issue number 7
Start page 1626
End page 1637
Total pages 12
Publisher Oxford University Press
Abstract Bats have attracted attention in recent years as important reservoirs of viruses deadly to humans and other mammals. These infections are typically nonpathogenic in bats raising questions about innate immune differences that might exist between bats and othermammals. The APOBEC3 gene family encodes antiviral DNA cytosine deaminases with important roles in the suppression of diverse viruses and genomic parasites. Here, we characterize pteropid APOBEC3 genes and show that species within the genus Pteropus possess the largest and most diverse array of APOBEC3 genes identified in any mammal reported to date. Several bat APOBEC3 proteins are antiviral as demonstrated by restriction of retroviral infectivity using HIV-1 as a model, and recombinant A3Z1 subtypes possess strong DNA deaminase activity. These genes represent the first group of antiviral restriction factors identified in bats with extensive diversification relative to homologues in other mammals.
Subject Microbiology not elsewhere classified
Keyword(s) Antiviral immunity
APOBEC3
Bats
Evolution
Restriction factors
Copyright notice © The Author(s) 2018.
ISSN 0737-4038
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