Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach

Abstract An increasing number of studies are showing that Antarctic mega- and macrofauna are highly diverse, however, little is known about meiofaunal biodiversity in sediment communities, which are a vital part of a healthy and functional ecosystem. This is the first study to analyse community DNA...

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Autores principales:	V. G. Fonseca, F. Sinniger, J. M. Gaspar, C. Quince, S. Creer, Deborah M. Power, Lloyd S. Peck, Melody S. Clark
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b0afb5a78844405a88e78aa369370a1d
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spelling	oai:doaj.org-article:b0afb5a78844405a88e78aa369370a1d2021-12-02T16:06:55ZRevealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach10.1038/s41598-017-06687-x2045-2322https://doaj.org/article/b0afb5a78844405a88e78aa369370a1d2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06687-xhttps://doaj.org/toc/2045-2322Abstract An increasing number of studies are showing that Antarctic mega- and macrofauna are highly diverse, however, little is known about meiofaunal biodiversity in sediment communities, which are a vital part of a healthy and functional ecosystem. This is the first study to analyse community DNA (targeting meiofauna) using metabarcoding to investigate biodiversity levels in sediment communities of the Antarctic Peninsula. The results show that almost all of the meiofaunal biodiversity in the benthic habitat has yet to be characterised, levels of biodiversity were higher than expected and similar to temperate regions, albeit with the existence of potentially new and locally adapted species never described before at the molecular level. The Rothera meiofaunal sample sites showed four dominant eukaryotic groups, the nematodes, arthropods, platyhelminthes, and the annelids; some of which could comprise species complexes. Comparisons with deep-sea data from the same region suggest little exchange of Operational Taxonomic Units (OTUs) between depths with the nematodes prevalent at all depths, but sharing the shallow water benthos with the copepods. This study provides a preliminary analysis of benthic Antarctic Peninsula meiofauna using high throughput sequencing which substantiates how little is known on the biodiversity of one of the most diverse, yet underexplored communities of the Antarctic: the benthos.V. G. FonsecaF. SinnigerJ. M. GasparC. QuinceS. CreerDeborah M. PowerLloyd S. PeckMelody S. ClarkNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q V. G. Fonseca F. Sinniger J. M. Gaspar C. Quince S. Creer Deborah M. Power Lloyd S. Peck Melody S. Clark Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach
description	Abstract An increasing number of studies are showing that Antarctic mega- and macrofauna are highly diverse, however, little is known about meiofaunal biodiversity in sediment communities, which are a vital part of a healthy and functional ecosystem. This is the first study to analyse community DNA (targeting meiofauna) using metabarcoding to investigate biodiversity levels in sediment communities of the Antarctic Peninsula. The results show that almost all of the meiofaunal biodiversity in the benthic habitat has yet to be characterised, levels of biodiversity were higher than expected and similar to temperate regions, albeit with the existence of potentially new and locally adapted species never described before at the molecular level. The Rothera meiofaunal sample sites showed four dominant eukaryotic groups, the nematodes, arthropods, platyhelminthes, and the annelids; some of which could comprise species complexes. Comparisons with deep-sea data from the same region suggest little exchange of Operational Taxonomic Units (OTUs) between depths with the nematodes prevalent at all depths, but sharing the shallow water benthos with the copepods. This study provides a preliminary analysis of benthic Antarctic Peninsula meiofauna using high throughput sequencing which substantiates how little is known on the biodiversity of one of the most diverse, yet underexplored communities of the Antarctic: the benthos.
format	article
author	V. G. Fonseca F. Sinniger J. M. Gaspar C. Quince S. Creer Deborah M. Power Lloyd S. Peck Melody S. Clark
author_facet	V. G. Fonseca F. Sinniger J. M. Gaspar C. Quince S. Creer Deborah M. Power Lloyd S. Peck Melody S. Clark
author_sort	V. G. Fonseca
title	Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach
title_short	Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach
title_full	Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach
title_fullStr	Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach
title_full_unstemmed	Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach
title_sort	revealing higher than expected meiofaunal diversity in antarctic sediments: a metabarcoding approach
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b0afb5a78844405a88e78aa369370a1d
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Revealing higher than expected meiofaunal diversity in Antarctic sediments: a metabarcoding approach

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