Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).

Panulirus homarus is an economically important spiny lobster that is widespread through the Indo-West Pacific Region, but has an uncertain taxonomic status, with three or four geographic subspecies having been described. This study used mitochondrial (16S, COI and control region) and nuclear (18S, I...

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Autores principales:	Shane D Lavery, Ahmad Farhadi, Hamid Farahmand, Tin-Yam Chan, Ashkan Azhdehakoshpour, Vibhavari Thakur, Andrew G Jeffs
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8af78e7df0bc4c62b3ebbdffbc0ba081
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spelling	oai:doaj.org-article:8af78e7df0bc4c62b3ebbdffbc0ba0812021-11-18T08:17:23ZEvolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).1932-620310.1371/journal.pone.0097247https://doaj.org/article/8af78e7df0bc4c62b3ebbdffbc0ba0812014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24892781/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Panulirus homarus is an economically important spiny lobster that is widespread through the Indo-West Pacific Region, but has an uncertain taxonomic status, with three or four geographic subspecies having been described. This study used mitochondrial (16S, COI and control region) and nuclear (18S, ITS-1) DNA sequences to examine specimens of all putative subspecies and forms from throughout their range, in order to determine their genetic validity, and understand the evolutionary history of this species. Despite the range of diversity present in the loci examined, the results were consistent across genes. P. h. rubellus from the SW Indian Ocean comprised the most divergent lineage that was reciprocally monophyletic with respect to all other P. homarus (approx. 9% divergence in COI), and has likely evolved reproductive barriers. The putative P. h. "Brown" subspecies from the Marquesas Is in the central Pacific also comprised a somewhat divergent monophyletic lineage (approx. 3% in COI), but may simply be an allopatric population. The widespread P. h. homarus was not diverged at all from the described P. h. megasculpta from the NW Indian Ocean. The degree of evolutionary divergence of populations at the extremes distribution of the species is somewhat surprising, given the long pelagic larval stage, but suggests that allopatric speciation has been an important driver in the evolution of the genus.Shane D LaveryAhmad FarhadiHamid FarahmandTin-Yam ChanAshkan AzhdehakoshpourVibhavari ThakurAndrew G JeffsPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 6, p e97247 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shane D Lavery Ahmad Farhadi Hamid Farahmand Tin-Yam Chan Ashkan Azhdehakoshpour Vibhavari Thakur Andrew G Jeffs Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).
description	Panulirus homarus is an economically important spiny lobster that is widespread through the Indo-West Pacific Region, but has an uncertain taxonomic status, with three or four geographic subspecies having been described. This study used mitochondrial (16S, COI and control region) and nuclear (18S, ITS-1) DNA sequences to examine specimens of all putative subspecies and forms from throughout their range, in order to determine their genetic validity, and understand the evolutionary history of this species. Despite the range of diversity present in the loci examined, the results were consistent across genes. P. h. rubellus from the SW Indian Ocean comprised the most divergent lineage that was reciprocally monophyletic with respect to all other P. homarus (approx. 9% divergence in COI), and has likely evolved reproductive barriers. The putative P. h. "Brown" subspecies from the Marquesas Is in the central Pacific also comprised a somewhat divergent monophyletic lineage (approx. 3% in COI), but may simply be an allopatric population. The widespread P. h. homarus was not diverged at all from the described P. h. megasculpta from the NW Indian Ocean. The degree of evolutionary divergence of populations at the extremes distribution of the species is somewhat surprising, given the long pelagic larval stage, but suggests that allopatric speciation has been an important driver in the evolution of the genus.
format	article
author	Shane D Lavery Ahmad Farhadi Hamid Farahmand Tin-Yam Chan Ashkan Azhdehakoshpour Vibhavari Thakur Andrew G Jeffs
author_facet	Shane D Lavery Ahmad Farhadi Hamid Farahmand Tin-Yam Chan Ashkan Azhdehakoshpour Vibhavari Thakur Andrew G Jeffs
author_sort	Shane D Lavery
title	Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).
title_short	Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).
title_full	Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).
title_fullStr	Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).
title_full_unstemmed	Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).
title_sort	evolutionary divergence of geographic subspecies within the scalloped spiny lobster panulirus homarus (linnaeus 1758).
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/8af78e7df0bc4c62b3ebbdffbc0ba081
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Evolutionary divergence of geographic subspecies within the scalloped spiny lobster Panulirus homarus (Linnaeus 1758).

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