Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae

Abstract Coralligenous assemblages are among the most species-rich and vulnerable habitats of the Mediterranean Sea. Nevertheless, data on connectivity patterns on species inhabiting these habitats, crucial to define management and protection priorities, are largely lacking. Moreover, unreliable spe...

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Autores principales:	Adriana Villamor, Lorenzo F. Signorini, Federica Costantini, Marko Terzin, Marco Abbiati
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e21d0d3b44d041328d5404f0a508531f
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spelling	oai:doaj.org-article:e21d0d3b44d041328d5404f0a508531f2021-12-02T16:46:33ZEvidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae10.1038/s41598-020-70770-z2045-2322https://doaj.org/article/e21d0d3b44d041328d5404f0a508531f2020-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-70770-zhttps://doaj.org/toc/2045-2322Abstract Coralligenous assemblages are among the most species-rich and vulnerable habitats of the Mediterranean Sea. Nevertheless, data on connectivity patterns on species inhabiting these habitats, crucial to define management and protection priorities, are largely lacking. Moreover, unreliable species-level taxonomy can confound ecological studies and mislead management strategies. In the northwestern Mediterranean two Parazoanthus axinellae morphotypes differing in size, color and preferred substrate are found in sympatry. In this study, we used COI and ITS sequence polymorphism to assess (1) the genetic divergence between the two morphotypes, (2) their connectivity patterns and (3) their phylogenetic position within the Parazoanthidae. Specimens of P. axinellae were sampled in 11 locations along the northwestern Mediterranean; in 6 locations, samples of the two morphotypes were collected in sympatry. Small genetic diversity and structure were found within morphotypes, while marked and consistent differentiation was detected between them. Moreover, the less widespread morphotype appeared to be closer to Pacific species as P. juanfernandezii and P. elongatus. Our findings confirmed the limited knowledge on Parazoanthus species complex, and how this gap can have important implication for the conservation strategies of this widespread and valuable genus in the Mediterranean Sea.Adriana VillamorLorenzo F. SignoriniFederica CostantiniMarko TerzinMarco AbbiatiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Adriana Villamor Lorenzo F. Signorini Federica Costantini Marko Terzin Marco Abbiati Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae
description	Abstract Coralligenous assemblages are among the most species-rich and vulnerable habitats of the Mediterranean Sea. Nevertheless, data on connectivity patterns on species inhabiting these habitats, crucial to define management and protection priorities, are largely lacking. Moreover, unreliable species-level taxonomy can confound ecological studies and mislead management strategies. In the northwestern Mediterranean two Parazoanthus axinellae morphotypes differing in size, color and preferred substrate are found in sympatry. In this study, we used COI and ITS sequence polymorphism to assess (1) the genetic divergence between the two morphotypes, (2) their connectivity patterns and (3) their phylogenetic position within the Parazoanthidae. Specimens of P. axinellae were sampled in 11 locations along the northwestern Mediterranean; in 6 locations, samples of the two morphotypes were collected in sympatry. Small genetic diversity and structure were found within morphotypes, while marked and consistent differentiation was detected between them. Moreover, the less widespread morphotype appeared to be closer to Pacific species as P. juanfernandezii and P. elongatus. Our findings confirmed the limited knowledge on Parazoanthus species complex, and how this gap can have important implication for the conservation strategies of this widespread and valuable genus in the Mediterranean Sea.
format	article
author	Adriana Villamor Lorenzo F. Signorini Federica Costantini Marko Terzin Marco Abbiati
author_facet	Adriana Villamor Lorenzo F. Signorini Federica Costantini Marko Terzin Marco Abbiati
author_sort	Adriana Villamor
title	Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae
title_short	Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae
title_full	Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae
title_fullStr	Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae
title_full_unstemmed	Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae
title_sort	evidence of genetic isolation between two mediterranean morphotypes of parazoanthus axinellae
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/e21d0d3b44d041328d5404f0a508531f
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_version_	1718383425051688960

Evidence of genetic isolation between two Mediterranean morphotypes of Parazoanthus axinellae

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