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Global patterns of bacterial beta-diversity in seafloor and seawater ecosystems

Zinger, Lucie ; Amaral-Zettler, Linda A ; Fuhrman, Jed A ; Horner-Devine, M Claire ; Huse, Susan M ; Welch, David B Mark ; Martiny, Jennifer B H ; Sogin, Mitchell ; Boetius, Antje ; Ramette, Alban Gilbert, Jack Anthony

PloS one, 2011-09, Vol.6 (9), p.e24570-e24570 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Global patterns of bacterial beta-diversity in seafloor and seawater ecosystems
Autor: Zinger, Lucie ; Amaral-Zettler, Linda A ; Fuhrman, Jed A ; Horner-Devine, M Claire ; Huse, Susan M ; Welch, David B Mark ; Martiny, Jennifer B H ; Sogin, Mitchell ; Boetius, Antje ; Ramette, Alban
Gilbert, Jack Anthony
Assuntos: Bacteria ; Bacteria - classification ; Bacteria - genetics ; Benthic communities ; Biodiversity ; Biogeography ; Biological diversity ; Biology ; Biomass ; Biomes ; Chemical analysis ; Classification ; Cluster Analysis ; Coastal ecology ; Coastal ecosystems ; Coastal environments ; Coastal waters ; Communities ; Community composition ; Community ecology ; Computational Biology - methods ; Databases, Factual ; Datasets ; Deep sea ; Deep water ; Distribution patterns ; Ecosystem ; Habitats ; Hypotheses ; Laboratories ; Marine ecosystems ; Microbial activity ; Microorganisms ; Nutrient cycles ; Ocean bottom ; Ocean floor ; Oceans ; Oceans and Seas ; Oxygen ; Pelagic zone ; Phylogeny ; Productivity ; RNA ; rRNA ; Sea-water ; Seawater ; Seawater - microbiology ; Surface water ; Synthesis ; Taxonomy ; Water analysis ; Water Microbiology
É parte de: PloS one, 2011-09, Vol.6 (9), p.e24570-e24570
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
Conceived and designed the experiments: LZ AB AR. Performed the experiments: LZ LAAZ SMH DBMW AR. Analyzed the data: LZ LAAZ SMH DBMW AR. Contributed reagents/materials/analysis tools: MS. Wrote the paper: LZ LAAZ JAF MCHD JBHM MS AB AR.
Descrição: Marine microbial communities have been essential contributors to global biomass, nutrient cycling, and biodiversity since the early history of Earth, but so far their community distribution patterns remain unknown in most marine ecosystems. The synthesis of 9.6 million bacterial V6-rRNA amplicons for 509 samples that span the global ocean's surface to the deep-sea floor shows that pelagic and benthic communities greatly differ, at all taxonomic levels, and share <10% bacterial types defined at 3% sequence similarity level. Surface and deep water, coastal and open ocean, and anoxic and oxic ecosystems host distinct communities that reflect productivity, land influences and other environmental constraints such as oxygen availability. The high variability of bacterial community composition specific to vent and coastal ecosystems reflects the heterogeneity and dynamic nature of these habitats. Both pelagic and benthic bacterial community distributions correlate with surface water productivity, reflecting the coupling between both realms by particle export. Also, differences in physical mixing may play a fundamental role in the distribution patterns of marine bacteria, as benthic communities showed a higher dissimilarity with increasing distance than pelagic communities. This first synthesis of global bacterial distribution across different ecosystems of the World's oceans shows remarkable horizontal and vertical large-scale patterns in bacterial communities. This opens interesting perspectives for the definition of biogeographical biomes for bacteria of ocean waters and the seabed.
Editor: United States: Public Library of Science
Idioma: Inglês

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Global patterns of bacterial beta-diversity in seafloor and seawater ecosystems

Zinger, Lucie ; Amaral-Zettler, Linda A ; Fuhrman, Jed A ; Horner-Devine, M Claire ; Huse, Susan M ; Welch, David B Mark ; Martiny, Jennifer B H ; Sogin, Mitchell ; Boetius, Antje ; Ramette, Alban Gilbert, Jack Anthony

United States: Public Library of Science

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