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Schloter, M. ; Lebuhn, M. ; Heulin, T.* ; Hartmann, A.

Ecology and evolution of bacterial microdiversity.

FEMS Microbiol. Rev. 24, 647-660 (2000)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
Using high resolution molecular fingerprinting techniques like random amplification of polymorphic DNA, repetitive extragenic palindromic PCR and multilocus enzyme electrophoresis, a high bacterial diversity below the species and subspecies level (microdiversity) is revealed. It became apparent that bacteria of a certain species living in close association with different plants either as associated rhizosphere bacteria or as plant pathogens or symbiotic organisms, typically reflect this relationship in their genetic relatedness. The strain composition within a population of soil bacterial species at a given field site, which can be identified by these high resolution fingerprinting techniques, was markedly influenced by soil management and soil features. The observed bacterial microdiversity reflected the conditions of the habitat, which select for better adapted forms. In addition, influences of spatial separation on specific groupings of bacteria were found, which argue for the occurrence of isolated microevolution. In this review, examples are presented of bacterial microdiversity as influenced by different ecological factors, with the main emphasis on bacteria from the natural environment. In addition, information available from some of the first complete genome sequences of bacteria (Helicobacter pylori and Escherichia coli) was used to highlight possible mechanisms of molecular evolution through which mutations are created; these include mutator enzymes. Definitions of bacterial species and subspecies ranks are discussed in the light of detailed information from whole genome typing approaches.
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Publication type Article: Journal article
Document type Review
Corresponding Author
ISSN (print) / ISBN 0168-6445
Journal FEMS Microbiology Reviews - Federation of European Microbiological Societies
Quellenangaben Volume: 24, Issue: 5, Pages: 647-660 Article Number: , Supplement: ,
Publisher Wiley
Publishing Place Malden, Mass.
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Soil Ecology (IBOE)
Research Unit Microbe-Plant Interactions (AMP)