Snapshots of a shrinking partner: Genome reduction in Serratia symbiotica

  title={Snapshots of a shrinking partner: Genome reduction in Serratia symbiotica},
  author={Alejandro Manzano-Mar{\'i}n and Amparo Latorre},
  booktitle={Scientific reports},
Genome reduction is pervasive among maternally-inherited endosymbiotic organisms, from bacteriocyte- to gut-associated ones. This genome erosion is a step-wise process in which once free-living organisms evolve to become obligate associates, thereby losing non-essential or redundant genes/functions. Serratia symbiotica (Gammaproteobacteria), a secondary endosymbiont present in many aphids (Hemiptera: Aphididae), displays various characteristics that make it a good model organism for studying… CONTINUE READING
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