Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.

China is rich of germplasm resources of common wild rice (Oryza rufipogon Griff.) and Asian cultivated rice (O. sativa L.) which consists of two subspecies, indica and japonica. Previous studies have shown that China is one of the domestication centers of O. sativa. However, the geographic origin an...

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Autores principales:	Xin Wei, Rongsheng Wang, Lirong Cao, Nannan Yuan, Juan Huang, Weihua Qiao, Wanxia Zhang, Hanlai Zeng, Qingwen Yang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/21e4b72b3068415893130a8624f49b20
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spelling	oai:doaj.org-article:21e4b72b3068415893130a8624f49b202021-11-18T08:08:33ZOrigin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.1932-620310.1371/journal.pone.0049546https://doaj.org/article/21e4b72b3068415893130a8624f49b202012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23166706/?tool=EBIhttps://doaj.org/toc/1932-6203China is rich of germplasm resources of common wild rice (Oryza rufipogon Griff.) and Asian cultivated rice (O. sativa L.) which consists of two subspecies, indica and japonica. Previous studies have shown that China is one of the domestication centers of O. sativa. However, the geographic origin and the domestication times of O. sativa in China are still under debate. To settle these disputes, six chloroplast loci and four mitochondrial loci were selected to examine the relationships between 50 accessions of Asian cultivated rice and 119 accessions of common wild rice from China based on DNA sequence analysis in the present study. The results indicated that Southern China is the genetic diversity center of O. rufipogon and it might be the primary domestication region of O. sativa. Molecular dating suggested that the two subspecies had diverged 0.1 million years ago, much earlier than the beginning of rice domestication. Genetic differentiations and phylogeography analyses indicated that indica was domesticated from tropical O. rufipogon while japonica was domesticated from O. rufipogon which located in higher latitude. These results provided molecular evidences for the hypotheses of (i) Southern China is the origin center of O. sativa in China and (ii) the two subspecies of O. sativa were domesticated multiple times.Xin WeiRongsheng WangLirong CaoNannan YuanJuan HuangWeihua QiaoWanxia ZhangHanlai ZengQingwen YangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 11, p e49546 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xin Wei Rongsheng Wang Lirong Cao Nannan Yuan Juan Huang Weihua Qiao Wanxia Zhang Hanlai Zeng Qingwen Yang Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.
description	China is rich of germplasm resources of common wild rice (Oryza rufipogon Griff.) and Asian cultivated rice (O. sativa L.) which consists of two subspecies, indica and japonica. Previous studies have shown that China is one of the domestication centers of O. sativa. However, the geographic origin and the domestication times of O. sativa in China are still under debate. To settle these disputes, six chloroplast loci and four mitochondrial loci were selected to examine the relationships between 50 accessions of Asian cultivated rice and 119 accessions of common wild rice from China based on DNA sequence analysis in the present study. The results indicated that Southern China is the genetic diversity center of O. rufipogon and it might be the primary domestication region of O. sativa. Molecular dating suggested that the two subspecies had diverged 0.1 million years ago, much earlier than the beginning of rice domestication. Genetic differentiations and phylogeography analyses indicated that indica was domesticated from tropical O. rufipogon while japonica was domesticated from O. rufipogon which located in higher latitude. These results provided molecular evidences for the hypotheses of (i) Southern China is the origin center of O. sativa in China and (ii) the two subspecies of O. sativa were domesticated multiple times.
format	article
author	Xin Wei Rongsheng Wang Lirong Cao Nannan Yuan Juan Huang Weihua Qiao Wanxia Zhang Hanlai Zeng Qingwen Yang
author_facet	Xin Wei Rongsheng Wang Lirong Cao Nannan Yuan Juan Huang Weihua Qiao Wanxia Zhang Hanlai Zeng Qingwen Yang
author_sort	Xin Wei
title	Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.
title_short	Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.
title_full	Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.
title_fullStr	Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.
title_full_unstemmed	Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.
title_sort	origin of oryza sativa in china inferred by nucleotide polymorphisms of organelle dna.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/21e4b72b3068415893130a8624f49b20
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Origin of Oryza sativa in China inferred by nucleotide polymorphisms of organelle DNA.

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