RRC ID 21686
Author Tanabe Y, Watanabe MM.
Title Local expansion of a panmictic lineage of water bloom-forming cyanobacterium Microcystis aeruginosa.
Journal PLoS One
Abstract In previous studies, we have demonstrated that the population structure of the bloom-forming cyanobacterium Microcystis aeruginosa is clonal. Expanded multilocus sequence typing analysis of M. aeruginosa using 412 isolates identified five intraspecific lineages suggested to be panmictic while maintaining overall clonal structure probably due to a reduced recombination rate between lineages. Interestingly, since 2005 most strains belonging to one of these panmictic clusters (group G) have been found in a particular locality (Lake Kasumigaura Basin) in Japan. In this locality, multiple, similar but distinct genotypes of this lineage predominated in the bloom, a pattern that is unprecedented for M. aeruginosa. The population structure underlying blooms associated with this lineage is comparable to epidemics of pathogens. Our results may reveal an expansion of the possible adaptive lineage in a localized aquatic environment, providing us with a unique opportunity to investigate its ecological and biogeographical consequences.
Volume 6(2)
Pages e17085
Published 2011-2-24
DOI 10.1371/journal.pone.0017085
PMID 21390221
PMC PMC3044731
MeSH Cyanobacteria / genetics Cyanobacteria / growth & development Cyanobacteria / physiology DNA, Bacterial / analysis Fresh Water / microbiology* Genetic Variation Genotype Japan Microcystis / genetics* Microcystis / growth & development* Microcystis / physiology Molecular Sequence Data Multilocus Sequence Typing Phylogeny Sequence Analysis, DNA
IF 2.74
Times Cited 20
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