How clonal are bacteria over time?

Highlights • Bacteria reproduce clonally but exchange genes horizontally by recombination. • Clonality is determined by the balance of recombination and natural selection. • Pathogens can arise as clonal expansions originating from a non-clonal (highly recombining) source population. • Clonality may...

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Veröffentlicht in:	Current opinion in microbiology 2016-06, Vol.31, p.116-123
1. Verfasser:	Shapiro, B Jesse
Format:	Artikel
Sprache:	eng
Schlagworte:	Archaea Archaea - genetics Archaea - growth & development Bacteria Bacteria - genetics Bacteria - growth & development Clonal Evolution - genetics Gene Transfer, Horizontal - genetics Genome, Bacterial - genetics Lakes - microbiology Pathology Recombination, Genetic - genetics Selection, Genetic - genetics
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Zusammenfassung:	Highlights • Bacteria reproduce clonally but exchange genes horizontally by recombination. • Clonality is determined by the balance of recombination and natural selection. • Pathogens can arise as clonal expansions originating from a non-clonal (highly recombining) source population. • Clonality may vary over time, but can generally be considered a stable trait of a microbial population. • Therefore, a microbial population's evolutionary history may be used to predict its future evolutionary potential.
ISSN:	1369-5274 1879-0364
DOI:	10.1016/j.mib.2016.03.013