High-efficiency breeding of early-maturing rice cultivars via CRISPR/Cas9-mediated genome editing

Rice is a staple food for more than half of the human population.It has been estimated that by 2030,40%more rice needs to be produced in order to meet the growing demand（Khush,2005）.One of the strategies to improve rice productivity is to enlarge rice growth areas, such as the northward expansion of...

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Published inJournal of genetics and genomics Vol. 44; no. 3; pp. 175 - 178
Main Authors Li, Xiufeng, Zhou, Wenjia, Ren, Yuekun, Tian, Xiaojie, Lv, Tianxiao, Wang, Zhenyu, Fang, Jun, Chu, Chengcai, Yang, Jie, Bu, Qingyun
Format Journal Article
LanguageEnglish
Published China Elsevier Ltd 20.03.2017
Subjects
CRISPR-Cas Systems - genetics
Gene Editing - methods
Genomics
Oryza - genetics
Oryza - growth & development
Plant Breeding - methods
介导
光周期敏感
品种利用
基因
性早熟
水稻生长
编辑
育种
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Summary:Rice is a staple food for more than half of the human population.It has been estimated that by 2030,40%more rice needs to be produced in order to meet the growing demand（Khush,2005）.One of the strategies to improve rice productivity is to enlarge rice growth areas, such as the northward expansion of the growth region in Heilongjiang Province, the northernmost region of China （Li et al., 2015）. However, the northward cultivation is accompanied with daylength extension and temperature decrease, which are unfavor- able for rice, a tropical short-day plant, to complete flowering and seed setting. Thus, the need for early-maturing rice cultivars with extremely low photoperiod sensitivity is urgent.
Bibliography:Rice is a staple food for more than half of the human population.It has been estimated that by 2030,40%more rice needs to be produced in order to meet the growing demand（Khush,2005）.One of the strategies to improve rice productivity is to enlarge rice growth areas, such as the northward expansion of the growth region in Heilongjiang Province, the northernmost region of China （Li et al., 2015）. However, the northward cultivation is accompanied with daylength extension and temperature decrease, which are unfavor- able for rice, a tropical short-day plant, to complete flowering and seed setting. Thus, the need for early-maturing rice cultivars with extremely low photoperiod sensitivity is urgent.
Xiufeng Li 1,Wenjia Zhou1,2, Yuekun Ren1,2, Xiaojie Tian1,2,Tianxiao Lv1, Zhenyu Wang1, Jun Fang1,Chengcai Chu3,Jie Yang4,Qingyun Bu1（1 Northeast Institute of Geography and Agroecology, Key Laboratory of Soybean Molecular Design Breeding, Chinese Academy of Sciences, Harbin 150081. China;2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China;3 State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China;4 Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China）
11-5450/R
SourceType-Other Sources-1
ObjectType-Article-2
content type line 63
ObjectType-Correspondence-1
ISSN:1673-8527
DOI:10.1016/j.jgg.2017.02.001