2016
DOI: 10.1371/journal.pone.0148016
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Diversity and Biogeography of Bathyal and Abyssal Seafloor Bacteria

Abstract: The deep ocean floor covers more than 60% of the Earth’s surface, and hosts diverse bacterial communities with important functions in carbon and nutrient cycles. The identification of key bacterial members remains a challenge and their patterns of distribution in seafloor sediment yet remain poorly described. Previous studies were either regionally restricted or included few deep-sea sediments, and did not specifically test biogeographic patterns across the vast oligotrophic bathyal and abyssal seafloor. Here … Show more

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Cited by 178 publications

(183 citation statements)

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“…Alphaproteobacteria was found to be more abundant than Gemmatimonadetes in sedimentary communities of the South Pacific ( Durbin and Teske, 2011 ), Equatorial Pacific, and North Pacific ( Walsh et al, 2016 ). We also found that Actinobacteria occurred with small proportions in sedimentary communities, which contrasts with the global study that documented Actinobacteria as the second most abundant group in marine sediments ( Bienhold et al, 2016 ). This study also clearly documents a difference in community composition between sediments and seawater column, which is consistent with both global ( Bienhold et al, 2016 ) and regional studies, e.g., Equatorial Pacific and North Pacific ( Walsh et al, 2016 ), South Pacific ( Durbin and Teske, 2011 ).…”
Section: Discussion
contrasting
confidence: 99%
“…We also found that Actinobacteria occurred with small proportions in sedimentary communities, which contrasts with the global study that documented Actinobacteria as the second most abundant group in marine sediments ( Bienhold et al, 2016 ). This study also clearly documents a difference in community composition between sediments and seawater column, which is consistent with both global ( Bienhold et al, 2016 ) and regional studies, e.g., Equatorial Pacific and North Pacific ( Walsh et al, 2016 ), South Pacific ( Durbin and Teske, 2011 ). Here, we admit that the comparison of bacterial communities between sediments and water columns were not sampled from the water column overlaying those specific sediments but in different areas.…”
Section: Discussion
contrasting
confidence: 99%
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