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Article

50 million years of genomic stasis in endosymbiotic bacteria.

Science (New York, N.Y.) - 28 Jun 2002

Tamas Ivica, Klasson Lisa, Canbäck Björn, Näslund A Kristina, Eriksson Ann-Sofie, Wernegreen Jennifer J, Sandström Jonas P, Moran Nancy A, Andersson Siv G E

Abstract excerpt

Comparison of two fully sequenced genomes of Buchnera aphidicola, the obligate endosymbionts of aphids, reveals the most extreme genome stability to date: no chromosome rearrangements or gene acquisitions have occurred in the past 50 to 70 million years, despite substantial sequence evolution and the inactivation and loss of individual genes. In contrast, the genomes of their closest free-living relatives,...

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Identifiers

PMID: 12089438
DOI: 10.1126/science.1071278

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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