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Viral adaptation to host: a proteome‐based analysis of codon usage and amino acid preferences

Open access
Bahir, Iris, Fromer, Menachem, Prat, Yosef, Linial, Michal·2009·Molecular Systems Biology

Abstract

Viruses differ markedly in their specificity toward host organisms. Here, we test the level of general sequence adaptation that viruses display toward their hosts. We compiled a representative data set of viruses that infect hosts ranging from bacteria to humans. We consider their respective amino acid and codon usages and compare them among the viruses and their hosts. We show that bacteria-infecting viruses are strongly adapted to their specific hosts, but that they differ from other unrelated bacterial hosts. Viruses that infect humans, but not those that infect other mammals or aves, show a strong resemblance to most mammalian and avian hosts, in terms of both amino acid and codon preferences. In groups of viruses that infect humans or other mammals, the highest observed level of adaptation of viral proteins to host codon usages is for those proteins that appear abundantly in the virion. In contrast, proteins that are known to participate in host-specific recognition do not necessarily adapt to their respective hosts. The implication for the potential of viral infectivity is discussed.

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Metadata

Authors
Bahir, I., Fromer, M., Prat, Y., & Linial, M.
Venue
Molecular Systems Biology
Published
2009-01
Volume
5
Issue
1
Pages
311-311
ISSN
1744-4292 (ISSN-L)
OpenAlex
W2101551832
Cited by
268
References
4
FWCI
3.72
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Viral adaptation to host: a proteome‐based analysis of codon usage and amino acid preferences. https://app.cochat.ai/papers/10.1038/msb.2009.71
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Bahir, I., Fromer, M., Prat, Y., & Linial, M. (2009). Viral adaptation to host: a proteome‐based analysis of codon usage and amino acid preferences. Molecular Systems Biology. https://doi.org/10.1038/msb.2009.71

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