Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution

Abstract Polyploidy roles on adaptive evolution and ecological novelty have been extensively studied in plants but remained unclear in vertebrates owing to the rare polyploidy incidences. Here, a huge number of 3105 specimens in Carassius species complex including 2211 hexaploids and 894 tetraploids...

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Autores principales:	Xiao-Li Liu, Fang-Fang Jiang, Zhong-Wei Wang, Xi-Yin Li, Zhi Li, Xiao-Juan Zhang, Fan Chen, Jian-Feng Mao, Li Zhou, Jian-Fang Gui
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a5955d79cf5a407492f86a33abd02277
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spelling	oai:doaj.org-article:a5955d79cf5a407492f86a33abd022772021-12-02T12:32:17ZWider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution10.1038/s41598-017-05731-02045-2322https://doaj.org/article/a5955d79cf5a407492f86a33abd022772017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05731-0https://doaj.org/toc/2045-2322Abstract Polyploidy roles on adaptive evolution and ecological novelty have been extensively studied in plants but remained unclear in vertebrates owing to the rare polyploidy incidences. Here, a huge number of 3105 specimens in Carassius species complex including 2211 hexaploids and 894 tetraploids were sampled from 34 locations through mainland China. And hexaploids had wider geographic distribution than tetraploids especially in the areas with high altitude, high latitude and low annual precipitation. Then, an approximate 1050 bp transferrin (tf) fragments were amplified from all the samples, and 526 tf alleles were identified from a total of 37260 sequences at last. Intriguingly, higher nucleotide diversity of tf alleles in hexaploids than in tetraploids was revealed. Moreover, via phylogenetic analysis of tf alleles, potential origin center of Carassius species complex was deduced to be Yangtze River basin and hexaploids should undergo multiple independent polyploidy origins from sympatric tetraploids. These findings indicate that the hexaploids might possess stronger environmental adaptation and ecological novelty than the tetraploids, which provide an association paradigm of recurrent polyploidy and ecological context in polyploid vertebrates.Xiao-Li LiuFang-Fang JiangZhong-Wei WangXi-Yin LiZhi LiXiao-Juan ZhangFan ChenJian-Feng MaoLi ZhouJian-Fang GuiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xiao-Li Liu Fang-Fang Jiang Zhong-Wei Wang Xi-Yin Li Zhi Li Xiao-Juan Zhang Fan Chen Jian-Feng Mao Li Zhou Jian-Fang Gui Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution
description	Abstract Polyploidy roles on adaptive evolution and ecological novelty have been extensively studied in plants but remained unclear in vertebrates owing to the rare polyploidy incidences. Here, a huge number of 3105 specimens in Carassius species complex including 2211 hexaploids and 894 tetraploids were sampled from 34 locations through mainland China. And hexaploids had wider geographic distribution than tetraploids especially in the areas with high altitude, high latitude and low annual precipitation. Then, an approximate 1050 bp transferrin (tf) fragments were amplified from all the samples, and 526 tf alleles were identified from a total of 37260 sequences at last. Intriguingly, higher nucleotide diversity of tf alleles in hexaploids than in tetraploids was revealed. Moreover, via phylogenetic analysis of tf alleles, potential origin center of Carassius species complex was deduced to be Yangtze River basin and hexaploids should undergo multiple independent polyploidy origins from sympatric tetraploids. These findings indicate that the hexaploids might possess stronger environmental adaptation and ecological novelty than the tetraploids, which provide an association paradigm of recurrent polyploidy and ecological context in polyploid vertebrates.
format	article
author	Xiao-Li Liu Fang-Fang Jiang Zhong-Wei Wang Xi-Yin Li Zhi Li Xiao-Juan Zhang Fan Chen Jian-Feng Mao Li Zhou Jian-Fang Gui
author_facet	Xiao-Li Liu Fang-Fang Jiang Zhong-Wei Wang Xi-Yin Li Zhi Li Xiao-Juan Zhang Fan Chen Jian-Feng Mao Li Zhou Jian-Fang Gui
author_sort	Xiao-Li Liu
title	Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution
title_short	Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution
title_full	Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution
title_fullStr	Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution
title_full_unstemmed	Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution
title_sort	wider geographic distribution and higher diversity of hexaploids than tetraploids in carassius species complex reveal recurrent polyploidy effects on adaptive evolution
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/a5955d79cf5a407492f86a33abd02277
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Wider geographic distribution and higher diversity of hexaploids than tetraploids in Carassius species complex reveal recurrent polyploidy effects on adaptive evolution

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