A bacterial metapopulation adapts locally to phage predation despite global dispersal

Kunin, V, He, S, Warnecke, F, Peterson, SB, Martin, HG, Haynes, M, Ivanova, N, Blackall, LL, Breitbart, M, Rohwer, F, McMahon, KD and Hugenholtz, P (2008) A bacterial metapopulation adapts locally to phage predation despite global dispersal. Genome Research, 18 2: 293-297.


Author Kunin, V
He, S
Warnecke, F
Peterson, SB
Martin, HG
Haynes, M
Ivanova, N
Blackall, LL
Breitbart, M
Rohwer, F
McMahon, KD
Hugenholtz, P
Title A bacterial metapopulation adapts locally to phage predation despite global dispersal
Journal name Genome Research  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2008-02
Sub-type Article
DOI 10.1101/gr.6835308
Volume number 18
Issue number 2
ISSN 1088-9051; 1549-5469
Start page 293
End page 297
Total pages 5
Place of publication Woodbury, NY, U.S.A.
Publisher Cold Spring Harbor Laboratory Press
Language eng
Formatted abstract Using a combination of bacterial and phage-targeted metagenomics, we analyzed two geographically remote sludge bioreactors enriched in a single bacterial species Candidatus Accumulibacter phosphatis (CAP). We inferred unrestricted global movement of this species and identified aquatic ecosystems as the primary environmental reservoirs facilitating dispersal. Highly related and geographically remote CAP strains differed principally in genomic regions encoding phage defense mechanisms. We found that CAP populations were high density, clonal, and nonrecombining, providing natural targets for "kill-the-winner" phage predation. Community expression analysis demonstrated that phages were consistently active in the bioreactor community. Genomic signatures linking CAP to past phage exposures were observed mostly between local phage and host. We conclude that CAP strains disperse globally but must adapt to phage predation pressure locally.
©2008 by Cold Spring Harbor Laboratory Press.
Keyword Biological phosphorus removal
Community structure
Prokaryotes
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article
Collection: School of Chemistry and Molecular Biosciences
 
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Created: Thu, 03 Sep 2009, 10:30:38 EST by Mr Andrew Martlew on behalf of School of Chemistry & Molecular Biosciences