Evidence for a persistent microbial seed bank throughout the global ocean

Sean M. Gibbons, James G Caporaso, Meg Pirrung, Dawn Field, Rob Knight, Jack A. Gilbert

Research output: Contribution to journalArticle

130 Citations (Scopus)

Abstract

Do bacterial taxa demonstrate clear endemism, like macroorganisms, or can one site's bacterial community recapture the total phylogenetic diversity of the world's oceans? Here we compare a deep bacterial community characterization from one site in the English Channel (L4-DeepSeq) with 356 datasets from the International Census ofMarine Microbes (ICoMM) taken fromaround the globe (ranging frommarine pelagic and sediment samples to sponge-associated environments). At the L4-DeepSeq site, increasing sequencing depth uncovers greater phylogenetic overlap with the global ICoMMdata. This site contained 31.7-66.2% of operational taxonomic units identified in a given ICoMM biome. Extrapolation of this overlap suggests that 1.93 × 1011 sequences from the L4 site would capture all ICoMM bacterial phylogenetic diversity. Current technology trends suggest this limit may be attainable within 3 y. These results strongly suggest the marine biosphere maintains a previously undetected, persistent microbial seed bank.

Original languageEnglish (US)
Pages (from-to)4651-4655
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume110
Issue number12
DOIs
StatePublished - Mar 19 2013

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Censuses
Oceans and Seas
Porifera
Ecosystem
Technology
Seed Bank

Keywords

  • Deep sequencing
  • Microbial ecology
  • Rare biosphere

ASJC Scopus subject areas

  • General

Cite this

Evidence for a persistent microbial seed bank throughout the global ocean. / Gibbons, Sean M.; Caporaso, James G; Pirrung, Meg; Field, Dawn; Knight, Rob; Gilbert, Jack A.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 110, No. 12, 19.03.2013, p. 4651-4655.

Research output: Contribution to journalArticle

Gibbons, Sean M. ; Caporaso, James G ; Pirrung, Meg ; Field, Dawn ; Knight, Rob ; Gilbert, Jack A. / Evidence for a persistent microbial seed bank throughout the global ocean. In: Proceedings of the National Academy of Sciences of the United States of America. 2013 ; Vol. 110, No. 12. pp. 4651-4655.
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