Bacterial superintegrons, a source of new genes with adaptive functions

Bacterial superintegrons, a source of new genes with adaptive functions Data on the structural organization of the platform of integrons, gene cassettes, and integrons with integrated cassettes of genes encoding drug resistance are briefly summarized. Data obtained during recent years about superintegrons or chromosomal integrons, characteristics of their organization, the presence of genes with known adaptive and unidentified functions in them, as well as data on the differences between superintegrons and previously described multiple resistance integrons, are considered in more detail. Studies that provide evidence for translocations of gene cassettes from stationary chromosomal integrons into integrons associated with mobile elements resulting in gene flows in natural bacterial populations, which favors their survival and adaptation to changing environment, are also reviewed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Bacterial superintegrons, a source of new genes with adaptive functions

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Microbial Genetics and Genomics; Animal Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795406110111
Publisher site
See Article on Publisher Site

Abstract

Data on the structural organization of the platform of integrons, gene cassettes, and integrons with integrated cassettes of genes encoding drug resistance are briefly summarized. Data obtained during recent years about superintegrons or chromosomal integrons, characteristics of their organization, the presence of genes with known adaptive and unidentified functions in them, as well as data on the differences between superintegrons and previously described multiple resistance integrons, are considered in more detail. Studies that provide evidence for translocations of gene cassettes from stationary chromosomal integrons into integrons associated with mobile elements resulting in gene flows in natural bacterial populations, which favors their survival and adaptation to changing environment, are also reviewed.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Nov 7, 2006

References

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