Improved pea reference genome and pan-genome highlight genomic features and evolutionary characteristics
文献类型： 外文期刊
作者： Yang, Tao 1 ; Liu, Rong 1 ; Luo, Yingfeng 2 ; Hu, Songnian 2 ; Wang, Dong 1 ; Wang, Chenyu 1 ; Pandey, Manish K. 4 ; Ge, Song 5 ; Xu, Quanle 6 ; Li, Nana 3 ; Li, Guan 1 ; Huang, Yuning 1 ; Saxena, Rachit K. 4 ; Ji, Yishan 1 ; Li, Mengwei 1 ; Yan, Xin 1 ; He, Yuhua 7 ; Liu, Yujiao 8 ; Wang, Xuejun 10 ; Xiang, Chao 11 ; Varshney, Rajeev K. 4 ; Ding, Hanfeng 3 ; Gao, Shenghan 2 ; Zong, Xuxiao 1 ;
作者机构： 1.Chinese Acad Agr Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Inst Crop Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Microbiol, State Key Lab Microbial Resources, Beijing, Peoples R China
3.Shandong Acad Agr Sci, Shandong Prov Key Lab Crop Genet Improvement Ecol, Inst Crop Germplasm Resources, Jinan, Peoples R China
4.Int Crops Res Inst Semi Arid Trop, Ctr Excellence Genom & Syst Biol, Hyderabad, India
5.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China
6.Northwest A&F Univ, Coll Life Sci, Yangling, Shaanxi, Peoples R China
7.Yunnan Acad Agr Sci, Inst Grain Crops, Kunming, Yunnan, Peoples R China
8.Qinghai Univ, State Key Lab Plateau Ecol & Agr, Xining, Peoples R China
9.Qinghai Acad Agr & Forestry Sci, Xining, Peoples R China
10.Jiangsu Yanjiang Inst Agr Sci, Nantong, Peoples R China
11.Sichuan Acad Agr Sci, Crop Res Inst, Chengdu, Peoples R China
12.Murdoch Univ, Murdochs Ctr Crop & Food Innovat, WA State Agr Biotechnol Ctr, Food Futures Inst, Murdoch, WA, Australia
13.Shandong Normal Univ, Coll Life Sci, Jinan, Peoples R China
14.Univ Chinese Acad Sci, Beijing, Peoples R China
期刊名称：NATURE GENETICS （ 影响因子：41.307； 五年影响因子：39.321 ）
ISSN： 1061-4036
年卷期： 2022 年 54 卷 10 期
页码：
收录情况： SCI
摘要： Complete and accurate reference genomes and annotations provide fundamental resources for functional genomics and crop breeding. Here we report a de novo assembly and annotation of a pea cultivar ZW6 with contig N50 of 8.98 Mb, which features a 243-fold increase in contig length and evident improvements in the continuity and quality of sequence in complex repeat regions compared with the existing one. Genome diversity of 118 cultivated and wild pea demonstrated that Pisum abyssinicum is a separate species different from P. fulvum and P. sativum within Pisum. Quantitative trait locus analyses uncovered two known Mendel's genes related to stem length (Le/le) and seed shape (R/r) as well as some candidate genes for pod form studied by Mendel. A pan-genome of 116 pea accessions was constructed, and pan-genes preferred in P. abyssinicum and P. fulvum showed distinct functional enrichment, indicating the potential value of them as pea breeding resources in the future. A high-quality genome assembly of pea cultivar ZW6 and pan-genome analyses provide insights into pea genome evolution and domestication as well as genomic resources for pea improvement.
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