The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent

Abstract Separated river systems could create confluences via two geological processes, estuary coalescence in response to decreasing sea levels and headwater capture, allowing primary freshwater species to disperse across rivers. Squalidus multimaculatus, is an endemic and primary freshwater specie...

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Autores principales:	Hyung-Bae Jeon, Dong-Young Kim, Yoon Jeong Lee, Han-Gyu Bae, Ho Young Suk
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1c2bfbaa1a7e437aa77816288390c03b
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spelling	oai:doaj.org-article:1c2bfbaa1a7e437aa77816288390c03b2021-12-02T15:08:37ZThe genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent10.1038/s41598-018-28340-x2045-2322https://doaj.org/article/1c2bfbaa1a7e437aa77816288390c03b2018-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-28340-xhttps://doaj.org/toc/2045-2322Abstract Separated river systems could create confluences via two geological processes, estuary coalescence in response to decreasing sea levels and headwater capture, allowing primary freshwater species to disperse across rivers. Squalidus multimaculatus, is an endemic and primary freshwater species restricted to the southeast coast of the Korean Peninsula. The distribution of this species is unique, given that other congeneric species, including its closely related S. gracilis majimae, as well as other cyprind species are observed throughout the peninsula except for the east coast. Phylogeographic analyses were conducted using three mitochondrial loci to identify the origin of S. multimaculatus and the historical pathways of dispersal. A strong phylogenetic affinity between S. multimaculatus and S. g. majimae and the genetic structure among populations indicated that S. multimaculatus originated from the eastward colonization of the common ancestor between S. g. majimae and S. multimaculatus via headwater capture through fault zones within successive mountain range. Following colonization, the ancestral S. multimaculatus likely migrated towards north via estuary coalescence along a well-developed continental shelf. Our study was the first empirical attempt providing insights into how freshwater organisms dispersed to the southernmost tip of East Asia, despite the potential loss of such historical imprints with anthropogenic interference.Hyung-Bae JeonDong-Young KimYoon Jeong LeeHan-Gyu BaeHo Young SukNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-12 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hyung-Bae Jeon Dong-Young Kim Yoon Jeong Lee Han-Gyu Bae Ho Young Suk The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent
description	Abstract Separated river systems could create confluences via two geological processes, estuary coalescence in response to decreasing sea levels and headwater capture, allowing primary freshwater species to disperse across rivers. Squalidus multimaculatus, is an endemic and primary freshwater species restricted to the southeast coast of the Korean Peninsula. The distribution of this species is unique, given that other congeneric species, including its closely related S. gracilis majimae, as well as other cyprind species are observed throughout the peninsula except for the east coast. Phylogeographic analyses were conducted using three mitochondrial loci to identify the origin of S. multimaculatus and the historical pathways of dispersal. A strong phylogenetic affinity between S. multimaculatus and S. g. majimae and the genetic structure among populations indicated that S. multimaculatus originated from the eastward colonization of the common ancestor between S. g. majimae and S. multimaculatus via headwater capture through fault zones within successive mountain range. Following colonization, the ancestral S. multimaculatus likely migrated towards north via estuary coalescence along a well-developed continental shelf. Our study was the first empirical attempt providing insights into how freshwater organisms dispersed to the southernmost tip of East Asia, despite the potential loss of such historical imprints with anthropogenic interference.
format	article
author	Hyung-Bae Jeon Dong-Young Kim Yoon Jeong Lee Han-Gyu Bae Ho Young Suk
author_facet	Hyung-Bae Jeon Dong-Young Kim Yoon Jeong Lee Han-Gyu Bae Ho Young Suk
author_sort	Hyung-Bae Jeon
title	The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent
title_short	The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent
title_full	The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent
title_fullStr	The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent
title_full_unstemmed	The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent
title_sort	genetic structure of squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of east asian continent
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/1c2bfbaa1a7e437aa77816288390c03b
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The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent

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