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Scientific Reports Volume 12 ,Issue 1 ,2022-10-18
Genetic introgression between different groups reveals the differential process of Asian cultivated rice
Article
Hao Gong 1 Bin Han 2
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DOI:10.1038/s41598-022-22674-3
Received 2022-5-28, accepted for publication 2022-10-18, Published 2022-10-18
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摘要

The Asian cultivated rice consists of two major subspecies: indica and japonica. There are already many reports about the existence of genetic introgression between the two subspecies. They propose some possible introgression-related genes from the comparison of population parameters. This study uses the genome-wide variation data of Asia cultivated rice to investigate their genetic introgression on the whole genome level. We detect a total of 13 significantly high introgression loci between the tropical japonica and indica populations. Two different methods are used to identify the genetic introgression regions. For most of the detected introgression regions, they generally get consistent results. Some previously known introgression genes are detected in the identified introgression loci, such as heat resistance gene TT1 and GLW7. The biological functions for these genetic introgression regions are annotated by the published QTL mapping results. We find that genetic introgression plays a vital role in the determination of both the phenotype and the domestication process of different groups. Our study also provides useful information and resources for the study of rice gene function and the domestication process.

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© The Author(s) 2022
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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通讯作者

1. Hao Gong.School of Life Science, Huizhou University, 516007, Huizhou, China.mygonghao@163.com
2. Bin Han.National Center for Gene Research, State Key Laboratory of Plant Molecular Genetics, Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200233, Shanghai, China.bhan@ncgr.ac.cn

推荐引用方式

Hao Gong,Bin Han. Genetic introgression between different groups reveals the differential process of Asian cultivated rice. Scientific Reports ,Vol.12, Issue 1(2022)

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