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Worldwide Analysis of Sedimentary DNA Reveals Major Gaps in Taxonomic Knowledge of Deep-Sea Benthos

http://hdl.handle.net/20.500.12000/47259
http://hdl.handle.net/20.500.12000/47259
3becd147-66eb-4417-b7e1-0f87f66948f7
名前 / ファイル ライセンス アクション
fmars-03-00092.pdf fmars-03-00092.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2020-11-17
タイトル
タイトル Worldwide Analysis of Sedimentary DNA Reveals Major Gaps in Taxonomic Knowledge of Deep-Sea Benthos
言語 en
作成者 Sinniger, Frederic

× Sinniger, Frederic

en Sinniger, Frederic

Pawlowski, Jan

× Pawlowski, Jan

en Pawlowski, Jan

Harii, Saki

× Harii, Saki

en Harii, Saki

Gooday, Andrew J.

× Gooday, Andrew J.

en Gooday, Andrew J.

Yamamoto, Hiroyuki

× Yamamoto, Hiroyuki

en Yamamoto, Hiroyuki

Chevaldonne, Pierre

× Chevaldonne, Pierre

en Chevaldonne, Pierre

Cedhagen, Tomas

× Cedhagen, Tomas

en Cedhagen, Tomas

Carvalho, Gary

× Carvalho, Gary

en Carvalho, Gary

Creer, Simon

× Creer, Simon

en Creer, Simon

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 en
権利情報 Creative Commons Attribution 4.0
言語 en
権利情報Resource https://creativecommons.org/licenses/by/4.0/
権利情報 https://creativecommons.org/licenses/by/4.0/
主題
言語 en
主題Scheme Other
主題 environmental DNA
言語 en
主題Scheme Other
主題 biodiversity
言語 en
主題Scheme Other
主題 metabarcoding
言語 en
主題Scheme Other
主題 meiobenthos
言語 en
主題Scheme Other
主題 18S rDNA
内容記述
内容記述タイプ Other
内容記述 Deep-sea sediments represent the largest but least known ecosystem on earth. With increasing anthropogenic pressure, it is now a matter of urgency to improve our understanding of deep-sea biodiversity. Traditional morpho-taxonomic studies suggest that the ocean floor hosts extraordinarily diverse benthic communities. However, due to both its remoteness and a lack of expert taxonomists, assessing deep-sea diversity is a very challenging task. Environmental DNA (eDNA) metabarcoding offers a powerful tool to complement morpho-taxonomic studies. Here we use eDNA to assess benthic metazoan diversity in 39 deep-sea sediment samples from bathyal and abyssal depths worldwide. The eDNA dataset was dominated by meiobenthic taxa and we identified all animal phyla commonly found in the deep-sea benthos; yet, the diversity within these phyla remains largely unknown. The large numbers of taxonomically unassigned molecular operational taxonomic units (OTUs) were not equally distributed among phyla, with nematodes and platyhelminthes being the most poorly characterized from a taxonomic perspective. While the data obtained here reveal pronounced heterogeneity and vast amounts of unknown biodiversity in the deep sea, they also expose the difficulties in exploiting metabarcoding datasets resulting from the lack of taxonomic knowledge and appropriate reference databases. Overall, our study demonstrates the promising potential of eDNA metabarcoding to accelerate the assessment of deep-sea biodiversity for pure and applied deep-sea environmental research but also emphasizes the necessity to integrate such new approaches with traditional morphology-based examination of deep-sea organisms.
内容記述タイプ Other
内容記述 論文
出版者
言語 en
出版者 Frontiers Media
言語
言語 eng
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/47259
識別子タイプ HDL
関連情報
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.3389/fmars.2016.00092
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.3389/fmars.2016.00092
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2296-7745
収録物名
言語 en
収録物名 Frontiers in Marine Science
書誌情報
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