Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast

Abstract The chiton Liolophura japonica (Lischke 1873) is distributed in intertidal areas of the northwestern Pacific. Using COI and 16S rRNA, we found three genetic lineages, suggesting separation into three different species. Population genetic analyses, the two distinct COI barcoding gaps albeit...

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Autores principales:	Eun Hwa Choi, Mi Yeong Yeo, Gyeongmin Kim, Bia Park, Cho Rong Shin, Su Youn Baek, Ui Wook Hwang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/86a35be8ea3d482da9ce4d724de083dc
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spelling	oai:doaj.org-article:86a35be8ea3d482da9ce4d724de083dc2021-12-02T19:04:01ZLiolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast10.1038/s41598-021-96823-52045-2322https://doaj.org/article/86a35be8ea3d482da9ce4d724de083dc2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96823-5https://doaj.org/toc/2045-2322Abstract The chiton Liolophura japonica (Lischke 1873) is distributed in intertidal areas of the northwestern Pacific. Using COI and 16S rRNA, we found three genetic lineages, suggesting separation into three different species. Population genetic analyses, the two distinct COI barcoding gaps albeit one barcoding gap in the 16S rRNA, and phylogenetic relationships with a congeneric species supported this finding. We described L. koreana, sp. nov. over ca. 33°24′ N (JJ), and L. sinensis, sp. nov. around ca. 27°02′–28°00′ N (ZJ). We confirmed that these can be morphologically distinguished by lateral and dorsal black spots on the tegmentum and the shape of spicules on the perinotum. We also discuss species divergence during the Plio-Pleistocene, demographic expansions following the last interglacial age in the Pleistocene, and augmentation of COI haplotype diversity during the Pleistocene. Our study sheds light on the potential for COI in examining marine invertebrate species discrimination and distribution in the northwestern Pacific.Eun Hwa ChoiMi Yeong YeoGyeongmin KimBia ParkCho Rong ShinSu Youn BaekUi Wook HwangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Eun Hwa Choi Mi Yeong Yeo Gyeongmin Kim Bia Park Cho Rong Shin Su Youn Baek Ui Wook Hwang Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast
description	Abstract The chiton Liolophura japonica (Lischke 1873) is distributed in intertidal areas of the northwestern Pacific. Using COI and 16S rRNA, we found three genetic lineages, suggesting separation into three different species. Population genetic analyses, the two distinct COI barcoding gaps albeit one barcoding gap in the 16S rRNA, and phylogenetic relationships with a congeneric species supported this finding. We described L. koreana, sp. nov. over ca. 33°24′ N (JJ), and L. sinensis, sp. nov. around ca. 27°02′–28°00′ N (ZJ). We confirmed that these can be morphologically distinguished by lateral and dorsal black spots on the tegmentum and the shape of spicules on the perinotum. We also discuss species divergence during the Plio-Pleistocene, demographic expansions following the last interglacial age in the Pleistocene, and augmentation of COI haplotype diversity during the Pleistocene. Our study sheds light on the potential for COI in examining marine invertebrate species discrimination and distribution in the northwestern Pacific.
format	article
author	Eun Hwa Choi Mi Yeong Yeo Gyeongmin Kim Bia Park Cho Rong Shin Su Youn Baek Ui Wook Hwang
author_facet	Eun Hwa Choi Mi Yeong Yeo Gyeongmin Kim Bia Park Cho Rong Shin Su Youn Baek Ui Wook Hwang
author_sort	Eun Hwa Choi
title	Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast
title_short	Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast
title_full	Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast
title_fullStr	Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast
title_full_unstemmed	Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast
title_sort	liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern pacific coast
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/86a35be8ea3d482da9ce4d724de083dc
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Liolophura species discrimination with geographical distribution patterns and their divergence and expansion history on the northwestern Pacific coast

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