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Two chaperonin systems in bacterial genomes with distinct ecological roles
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organism Biology, Molecular Evolution.
2010 (English)In: Trends in Genetics, ISSN 0168-9525, Vol. 26, no 2, 47-51 p.Article in journal (Refereed) Published
Abstract [en]

Bacterial chaperonins are essential to cell viability and have a role in endosymbiosis, which leads to increased biological complexity. However, the extent to which chaperonins promote ecological innovation is unknown. We screened 622 bacterial genomes for genes encoding chaperonins, and found archaeal-like chaperonins in bacteria that inhabit archaeal ecological niches. We found that chaperonins encoded in pathogenic bacteria are the most functionally divergent. We identified the molecular basis of the dramatic structural changes in mitochondrial GROEL, a highly derived chaperonin gene. Our analysis suggests that chaperonins are important capacitors of evolutionary and ecological change.

Place, publisher, year, edition, pages
2010. Vol. 26, no 2, 47-51 p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-136721DOI: 10.1016/j.tig.2009.11.009ISI: 000274987400001OAI: oai:DiVA.org:uu-136721DiVA: diva2:377470
Available from: 2010-12-14 Created: 2010-12-14 Last updated: 2010-12-14Bibliographically approved

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