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Nature genetics v.50 no.6, 2018년, pp.796 - 802   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Resequencing of 243 diploid cotton accessions based on an updated A genome identifies the genetic basis of key agronomic traits

Du, Xiongming    (Research Base, Anyang Institute of Technology, State Key Laboratory of Cotton Biology, Anyang, China   ); Huang, Gai    (Institute of Cotton Research of the Chinese Academy of Agricultural Sciences, Anyang, China   ); He, Shoupu    (State Key Laboratory of Protein and Plant Gene Research, College of Life Sciences, Peking University, Beijing, China   ); Yang, Zhaoen    (Institute for Advanced Studies and College of Life Sciences, Wuhan University, Wuhan, China   ); Sun, Gaofei    (Institute of Cotton Research of the Chinese Academy of Agricultural Sciences, Anyang, China   ); Ma, Xiongfeng    (Institute of Cotton Research of the Chinese Academy of Agricultural Sciences, Anyang, China   ); Li, Nan    (Research Base, Anyang Institute of Technology, State Key Laboratory of Cotton Biology, Anyang, China   ); Zhang, Xueyan    (Institute of Cotton Research of the Chinese Academy of Agricultural Sciences, Anyang, China   ); Sun, Junling    (Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China   ); Liu, Min    (Institute of Cotton Research of the Chine  ); Jia, Yinhua   Pan, Zhaoe   Gong, Wenfang   Liu, Zhaohui   Zhu, Heqin   Ma, Lei   Liu, Fuyan   Yang, Daigang   Wang, Fan   Fan, Wei   Gong, Qian   Peng, Zhen   Wang, Liru   Wang, Xiaoyang   Xu, Shuangjiao   Shang, Haihong   Lu, Cairui   Zheng, Hongkun   Huang, Sanwen   Lin, Tao   Zhu, Yuxian   Li, Fuguang  
  • 초록  

    The ancestors of Gossypium arboreum and Gossypium herbaceum provided the A subgenome for the modern cultivated allotetraploid cotton. Here, we upgraded the G. arboreum genome assembly by integrating different technologies. We resequenced 243 G. arboreum and G. herbaceum accessions to generate a map of genome variations and found that they are equally diverged from Gossypium raimondii. Independent analysis suggested that Chinese G. arboreum originated in South China and was subsequently introduced to the Yangtze and Yellow River regions. Most accessions with domestication-related traits experienced geographic isolation. Genome-wide association study (GWAS) identified 98 significant peak associations for 11 agronomically important traits in G. arboreum. A nonsynonymous substitution (cysteine-to-arginine substitution) of GaKASIII seems to confer substantial fatty acid composition (C16:0 and C16:1) changes in cotton seeds. Resistance to fusarium wilt disease is associated with activation of GaGSTF9 expression. Our work represents a major step toward understanding the evolution of the A genome of cotton.


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