Whole-genome resequencing of 445 Lactuca accessions reveals the domestication history of cultivated lettuce.

Autor: Wei T; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China., van Treuren R; Centre for Genetic Resources, the Netherlands, Wageningen, the Netherlands. robbert.vantreuren@wur.nl., Liu X; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China., Zhang Z; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China.; BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, China., Chen J; Huazhong Agricultural University, Wuhan, China., Liu Y; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China., Dong S; Fairy Lake Botanical Garden, Shenzhen, China., Sun P; Huazhong Agricultural University, Wuhan, China., Yang T; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China., Lan T; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China.; University of Copenhagen, Copenhagen, Denmark., Wang X; BGI-Laos, Vientiane, Laos., Xiong Z; BGI-Laos, Vientiane, Laos., Liu Y; China National GeneBank, Shenzhen, China., Wei J; China National GeneBank, Shenzhen, China., Lu H; China National GeneBank, Shenzhen, China., Han S; China National GeneBank, Shenzhen, China., Chen JC; China National GeneBank, Shenzhen, China., Ni X; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China., Wang J; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China.; James D. Watson Institute of Genome Sciences, Hangzhou, China., Yang H; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China.; James D. Watson Institute of Genome Sciences, Hangzhou, China., Xu X; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China.; Guangdong Provincial Key Laboratory of Genome Read and Write, Shenzhen, China., Kuang H; Huazhong Agricultural University, Wuhan, China., van Hintum T; Centre for Genetic Resources, the Netherlands, Wageningen, the Netherlands., Liu X; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China. liuxin@genomics.cn., Liu H; State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen, China. liuhuan@genomics.cn.
Jazyk: angličtina
Zdroj: Nature genetics [Nat Genet] 2021 May; Vol. 53 (5), pp. 752-760. Date of Electronic Publication: 2021 Apr 12.
DOI: 10.1038/s41588-021-00831-0
Abstrakt: Lettuce (Lactuca sativa) is an important vegetable crop worldwide. Cultivated lettuce is believed to be domesticated from L. serriola; however, its origins and domestication history remain to be elucidated. Here, we sequenced a total of 445 Lactuca accessions, including major lettuce crop types and wild relative species, and generated a comprehensive map of lettuce genome variations. In-depth analyses of population structure and demography revealed that lettuce was first domesticated near the Caucasus, which was marked by loss of seed shattering. We also identified the genetic architecture of other domestication traits and wild introgressions in major resistance clusters in the lettuce genome. This study provides valuable genomic resources for crop breeding and sheds light on the domestication history of cultivated lettuce.
Databáze: MEDLINE
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