Genomes of cultivated and wild Capsicum species provide insights into pepper domestication and population differentiation

文献类型： 外文期刊

第一作者： Liu, Feng

作者： Liu, Feng;Zhao, Jiantao;Xiong, Cheng;Wang, Zhongyi;Wang, Jin;Tang, Bingqian;Xu, Hao;Hu, Bowen;Suo, Huan;Yang, Bozhi;Ou, Lijun;Liu, Zhoubing;Yuan, Fang;Pei, Zhenming;Ma, Yanqing;Dai, Xiongze;Zou, Xuexiao;Zhao, Jiantao;Sun, Honghe;Sun, Xuepeng;Wang, Xin;Wu, Shan;Fei, Zhangjun;Sun, Honghe;Jarret, Robert;Li, Xuefeng;Zhou, Shudong;Yang, Sha;Fei, Zhangjun;Sun, Xuepeng;Wang, Xin

作者机构：

期刊名称：NATURE COMMUNICATIONS （ 影响因子：16.6； 五年影响因子：17.0 ）

ISSN：

年卷期： 2023 年 14 卷 1 期

页码：

收录情况： SCI

摘要： Pepper (Capsicum spp.) is one of the earliest cultivated crops and includes five domesticated species, C. annuum var. annuum, C. chinense, C. frutescens, C. baccatum var. pendulum and C. pubescens. Here, we report a pepper graph pan-genome and a genome variation map of 500 accessions from the five domesticated Capsicum species and close wild relatives. We identify highly differentiated genomic regions among the domesticated peppers that underlie their natural variations in flowering time, characteristic flavors, and unique resistances to biotic and abiotic stresses. Domestication sweeps detected in C. annuum var. annuum and C. baccatum var. pendulum are mostly different, and the common domestication traits, including fruit size, shape and pungency, are achieved mainly through the selection of distinct genomic regions between these two cultivated species. Introgressions from C. baccatum into C. chinense and C. frutescens are detected, including those providing genetic sources for various biotic and abiotic stress tolerances.

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