Integrative Biology Journals
JIPB

J Integr Plant Biol. ›› 2018, Vol. 60 ›› Issue (2): 89-93.DOI: 10.1111/jipb.12501

• Letters to the Editor • Previous Articles     Next Articles

QTL editing confers opposing yield performance in different rice varieties

Lan Shen1,2, Chun Wang2, Yaping Fu2, Junjie Wang2, Qing Liu2, Xiaoming Zhang3, Changjie Yan1*, Qian Qian2* and Kejian Wang2*   

  1. 1Key Laboratory of Plant Functional Genomics, Ministry of Education, Yangzhou University, Yangzhou 225009, China
    2State Key Laboratory of Rice Biology, China National RiceResearch Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310006, China
    3State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
  • Received:2016-06-01 Accepted:2016-09-13 Published:2018-02-13
  • About author:***Correspondences: E-mail: Kejian Wang (wangkejian@caas.cn)(Dr. Kejian Wang is fully responsible for the distribution of all materials associated with this article); Qian Qian (qianqian188@hotmail.com); Changjie Yan (cjyan@yzu.edu.cn) These authors contributed equally to this work.

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Abstract:

Grain yield is one of the most important and complex trait for genetic improvement in crops; it is known to be controlled by a number of genes known as quantitative trait loci (QTLs). In the past decade, many yield-contributing QTLs have been identified in crops. However, it remains unclear whether those QTLs confer the same yield performance in different genetic backgrounds. Here, we performed CRISPR/Cas9-mediated QTL editing in five widely-cultivated rice varieties and revealed that the same QTL can have diverse, even opposing, effects on grain yield in different genetic backgrounds.

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