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Article

Mutational Pressure Drives Differential Genome Conservation in Two Bacterial Endosymbionts of Sap-Feeding Insects.

Genome biology and evolution - 1 Mar 2021

Waneka Gus, Vasquez Yumary M, Bennett Gordon M, Sloan Daniel B

Abstract excerpt

Compared with free-living bacteria, endosymbionts of sap-feeding insects have tiny and rapidly evolving genomes. Increased genetic drift, high mutation rates, and relaxed selection associated with host control of key cellular functions all likely contribute to genome decay. Phylogenetic comparisons have revealed massive variation in endosymbiont evolutionary rate, but such methods make it difficult to partition...

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Identifiers

PMID: 33275136
DOI: 10.1093/gbe/evaa254
PMCID: PMC7952229

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