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Chromosome stability and gene loss in cockroach endosymbionts.


ABSTRACT: Insect endosymbiont genomes reflect massive gene loss. Two Blattabacterium genomes display colinearity and similar gene contents, despite high orthologous gene divergence, reflecting over 140 million years of independent evolution in separate cockroach lineages. We speculate that distant homologs may replace the functions of some eliminated genes through broadened substrate specificity.

SUBMITTER: Sabree ZL 

PROVIDER: S-EPMC2893480 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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Chromosome stability and gene loss in cockroach endosymbionts.

Sabree Zakee L ZL   Degnan Patrick H PH   Moran Nancy A NA  

Applied and environmental microbiology 20100423 12


Insect endosymbiont genomes reflect massive gene loss. Two Blattabacterium genomes display colinearity and similar gene contents, despite high orthologous gene divergence, reflecting over 140 million years of independent evolution in separate cockroach lineages. We speculate that distant homologs may replace the functions of some eliminated genes through broadened substrate specificity. ...[more]

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