Genomic repertoire of the Woeseiaceae/JTB255, cosmopolitan and abundant core members of microbial communities in marine sediments

To date, very little is known about the bacterial core community of marine sediments. Here we study the environmental distribution, abundance and ecogenomics of the gammaproteobacterial Woeseiaceae /JTB255 marine benthic group. A meta-analysis of published work shows that the Woeseiaceae /JTB255 are...

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Vydáno v:The ISME Journal Ročník 11; číslo 5; s. 1276 - 1281
Hlavní autoři: Mußmann, Marc, Pjevac, Petra, Krüger, Karen, Dyksma, Stefan
Médium: Journal Article
Jazyk:angličtina
Vydáno: London Nature Publishing Group UK 01.05.2017
Oxford University Press
Nature Publishing Group
Témata:
14/32
14/63
45/23
631/326/171/1878
704/158/855
Australia
Autotrophic Processes
Biomedical and Life Sciences
Ecological function
Ecology
Evolutionary Biology
Gammaproteobacteria - classification
Gammaproteobacteria - genetics
Gammaproteobacteria - isolation & purification
Gammaproteobacteria - metabolism
Genome, Bacterial
Geologic Sediments - microbiology
Heterotrophic Processes
Life Sciences
Marine sediments
Metagenomics
Microbial activity
Microbial Ecology
Microbial Genetics and Genomics
Microbiology
Nitrous oxide
Oceans and Seas
Phylogeny
RNA, Ribosomal, 16S - genetics
Short Communication
Australia
ISSN:1751-7362, 1751-7370
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Shrnutí:To date, very little is known about the bacterial core community of marine sediments. Here we study the environmental distribution, abundance and ecogenomics of the gammaproteobacterial Woeseiaceae /JTB255 marine benthic group. A meta-analysis of published work shows that the Woeseiaceae /JTB255 are ubiquitous and consistently rank among the most abundant 16S rRNA gene sequences in diverse marine sediments. They account for up to 22% of bacterial amplicons and 6% of total cell counts in European and Australian coastal sediments. The analysis of a single-cell genome, metagenomic bins and the genome of the next cultured relative Woeseia oceani indicated a broad physiological range, including heterotrophy and facultative autotrophy. All tested (meta)genomes encode a truncated denitrification pathway to nitrous oxide. The broad range of energy-yielding metabolisms possibly explains the ubiquity and high abundance of Woeseiaceae /JTB255 in marine sediments, where they carry out diverse, but yet unknown ecological functions.
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These authors contributed equally to this work.
ISSN:1751-7362
1751-7370
DOI:10.1038/ismej.2016.185