Article
Reductive genome evolution in chemoautotrophic intracellular symbionts of deep-sea Calyptogena clams.
Extremophiles : life under extreme conditions - 1 May 2008
Kuwahara Hirokazu, Takaki Yoshihiro, Yoshida Takao, Shimamura Shigeru, Takishita Kiyotaka, Reimer James D, Kato Chiaki, Maruyama Tadashi
Abstract excerpt
To understand reductive genome evolution (RGE), we comparatively analyzed the recently reported small genomes of two chemoautotrophic, intracellular symbionts of deep-sea clams, Calyptogena okutanii and C. magnifica. Both genomes lack most genes for DNA recombination and repair such as recA and mutY. Their genome architectures were highly conserved except one inversion. Many deletions from small (<100 bp) to...
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