Defining seasonal marine microbial community dynamics

Jack A. Gilbert, Joshua A. Steele, James G Caporaso, Lars Steinbrück, Jens Reeder, Ben Temperton, Susan Huse, Alice C. McHardy, Rob Knight, Ian Joint, Paul Somerfield, Jed A. Fuhrman, Dawn Field

Research output: Contribution to journalArticle

437 Citations (Scopus)

Abstract

Here we describe, the longest microbial time-series analyzed to date using high-resolution 16S rRNA tag pyrosequencing of samples taken monthly over 6 years at a temperate marine coastal site off Plymouth, UK. Data treatment effected the estimation of community richness over a 6-year period, whereby 8794 operational taxonomic units (OTUs) were identified using single-linkage preclustering and 21 130 OTUs were identified by denoising the data. The Alphaproteobacteria were the most abundant Class, and the most frequently recorded OTUs were members of the Rickettsiales (SAR 11) and Rhodobacteriales. This near-surface ocean bacterial community showed strong repeatable seasonal patterns, which were defined by winter peaks in diversity across all years. Environmental variables explained far more variation in seasonally predictable bacteria than did data on protists or metazoan biomass. Change in day length alone explains >65% of the variance in community diversity. The results suggested that seasonal changes in environmental variables are more important than trophic interactions. Interestingly, microbial association network analysis showed that correlations in abundance were stronger within bacterial taxa rather than between bacteria and eukaryotes, or between bacteria and environmental variables.

Original languageEnglish (US)
Pages (from-to)298-308
Number of pages11
JournalISME Journal
Volume6
Issue number2
DOIs
StatePublished - Feb 2012
Externally publishedYes

Fingerprint

community dynamics
microbial communities
microbial community
Bacteria
environmental factors
bacterium
bacteria
Rickettsiales
Alphaproteobacteria
day length
trophic interaction
protist
alpha-Proteobacteria
metazoan
network analysis
eukaryote
Eukaryota
bacterial communities
Oceans and Seas
Biomass

Keywords

  • 16S rRNA
  • bacteria
  • community
  • diversity
  • microbial
  • model

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Microbiology

Cite this

Gilbert, J. A., Steele, J. A., Caporaso, J. G., Steinbrück, L., Reeder, J., Temperton, B., ... Field, D. (2012). Defining seasonal marine microbial community dynamics. ISME Journal, 6(2), 298-308. https://doi.org/10.1038/ismej.2011.107

Defining seasonal marine microbial community dynamics. / Gilbert, Jack A.; Steele, Joshua A.; Caporaso, James G; Steinbrück, Lars; Reeder, Jens; Temperton, Ben; Huse, Susan; McHardy, Alice C.; Knight, Rob; Joint, Ian; Somerfield, Paul; Fuhrman, Jed A.; Field, Dawn.

In: ISME Journal, Vol. 6, No. 2, 02.2012, p. 298-308.

Research output: Contribution to journalArticle

Gilbert, JA, Steele, JA, Caporaso, JG, Steinbrück, L, Reeder, J, Temperton, B, Huse, S, McHardy, AC, Knight, R, Joint, I, Somerfield, P, Fuhrman, JA & Field, D 2012, 'Defining seasonal marine microbial community dynamics', ISME Journal, vol. 6, no. 2, pp. 298-308. https://doi.org/10.1038/ismej.2011.107
Gilbert JA, Steele JA, Caporaso JG, Steinbrück L, Reeder J, Temperton B et al. Defining seasonal marine microbial community dynamics. ISME Journal. 2012 Feb;6(2):298-308. https://doi.org/10.1038/ismej.2011.107
Gilbert, Jack A. ; Steele, Joshua A. ; Caporaso, James G ; Steinbrück, Lars ; Reeder, Jens ; Temperton, Ben ; Huse, Susan ; McHardy, Alice C. ; Knight, Rob ; Joint, Ian ; Somerfield, Paul ; Fuhrman, Jed A. ; Field, Dawn. / Defining seasonal marine microbial community dynamics. In: ISME Journal. 2012 ; Vol. 6, No. 2. pp. 298-308.
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