Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.

<h4>Introduction</h4>In spite of contemporary morphological taxonomy appraisals, apparent high morphological similarity raises uncertainty about the species status of certain Pagurus hermit crabs. This is exemplified between two European species, Pagurus excavatus (Herbst, 1791) and Pagu...

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Autores principales:	Joana Matzen da Silva, Antonina Dos Santos, Marina R Cunha, Filipe O Costa, Simon Creer, Gary R Carvalho
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2011
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d718a31cb2924245bd801d4cb99ab67a
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spelling	oai:doaj.org-article:d718a31cb2924245bd801d4cb99ab67a2021-11-18T07:32:40ZMultigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.1932-620310.1371/journal.pone.0028233https://doaj.org/article/d718a31cb2924245bd801d4cb99ab67a2011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22174780/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Introduction</h4>In spite of contemporary morphological taxonomy appraisals, apparent high morphological similarity raises uncertainty about the species status of certain Pagurus hermit crabs. This is exemplified between two European species, Pagurus excavatus (Herbst, 1791) and Pagurus alatus (Fabricius 1775), whose species status is still difficult to resolve using morphological criteria alone.<h4>Methodology/principal findings</h4>To address such ambiguities, we used combinations of Maximum Likelihood (ML) and Bayesian Inference (BI) methods to delineate species boundaries of P. alatus and P. excavatus and formulate an intermediate Pagurus phylogenetic hypothesis, based upon single and concatenated mitochondrial (cytochrome oxidase I [COI]) and nuclear (16S and 28s ribosomal RNA) gene partitions. The molecular data supported the species status of P. excavatus and P. alatus and also clearly resolved two divergent clades within hermit crabs from the Northeast Atlantic Ocean and the Mediterranean Sea.<h4>Conclusions/significance</h4>Despite the abundance and prominent ecological role of hermit crabs, Pagurus, in North East Atlantic Ocean and Mediterranean Sea ecosystems, many important aspects of their taxonomy, biology, systematics and evolution remain poorly explored. The topologies presented here should be regarded as hypotheses that can be incorporated into the robust and integrated understanding of the systematic relationships within and between species of the genus Pagurus inhabiting the Northeast Atlantic Ocean and the Mediterranean Sea.Joana Matzen da SilvaAntonina Dos SantosMarina R CunhaFilipe O CostaSimon CreerGary R CarvalhoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 12, p e28233 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Joana Matzen da Silva Antonina Dos Santos Marina R Cunha Filipe O Costa Simon Creer Gary R Carvalho Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.
description	<h4>Introduction</h4>In spite of contemporary morphological taxonomy appraisals, apparent high morphological similarity raises uncertainty about the species status of certain Pagurus hermit crabs. This is exemplified between two European species, Pagurus excavatus (Herbst, 1791) and Pagurus alatus (Fabricius 1775), whose species status is still difficult to resolve using morphological criteria alone.<h4>Methodology/principal findings</h4>To address such ambiguities, we used combinations of Maximum Likelihood (ML) and Bayesian Inference (BI) methods to delineate species boundaries of P. alatus and P. excavatus and formulate an intermediate Pagurus phylogenetic hypothesis, based upon single and concatenated mitochondrial (cytochrome oxidase I [COI]) and nuclear (16S and 28s ribosomal RNA) gene partitions. The molecular data supported the species status of P. excavatus and P. alatus and also clearly resolved two divergent clades within hermit crabs from the Northeast Atlantic Ocean and the Mediterranean Sea.<h4>Conclusions/significance</h4>Despite the abundance and prominent ecological role of hermit crabs, Pagurus, in North East Atlantic Ocean and Mediterranean Sea ecosystems, many important aspects of their taxonomy, biology, systematics and evolution remain poorly explored. The topologies presented here should be regarded as hypotheses that can be incorporated into the robust and integrated understanding of the systematic relationships within and between species of the genus Pagurus inhabiting the Northeast Atlantic Ocean and the Mediterranean Sea.
format	article
author	Joana Matzen da Silva Antonina Dos Santos Marina R Cunha Filipe O Costa Simon Creer Gary R Carvalho
author_facet	Joana Matzen da Silva Antonina Dos Santos Marina R Cunha Filipe O Costa Simon Creer Gary R Carvalho
author_sort	Joana Matzen da Silva
title	Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.
title_short	Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.
title_full	Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.
title_fullStr	Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.
title_full_unstemmed	Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.
title_sort	multigene molecular systematics confirm species status of morphologically convergent pagurus hermit crabs.
publisher	Public Library of Science (PLoS)
publishDate	2011
url	https://doaj.org/article/d718a31cb2924245bd801d4cb99ab67a
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Multigene molecular systematics confirm species status of morphologically convergent Pagurus hermit crabs.

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