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Establishment of an efficient haploid identification system by engineering anthocyanin accumulation in the wheat embryo

查看全文 作　　者：Xiaolong [1,2,5]Qi;Shuwei [1,2,5]Guo;Yu [1,2,5]Zhong;Baojian [1,2]Chen;Zongkai [1,2]Liu;Tongzheng [1,2]Yan;Bin [1,2]Feng;Zhongfu [1,3,4]Ni;Shaojiang [1,2,3,4]Chen;Chenxu [1,2,3,4]Liu 高影响力作者 机构地区：[1]College of Agronomy and Biotechnology,China Agricultural University,Beijing 100193,China;[2]National Maize Improvement Center,China Agricultural University,Beijing 100193,China;[3]Sanya Institute of China Agricultural University,Sanya 572024,China;[4]Hainan Yazhou Bay Seed Laboratory,Sanya 572024,China;[5]These authors contributed equally to this article高影响力机构 出　　处：《Plant Communications》索引2023年第4卷第3期,共4页高影响力期刊 基　　金：supported by the Hainan Yazhou Bay Seed Laboratory(B21HJ0501);China Postdoctoral Science Foundation(2022TQ0368);China Agricultural Research System(CARS-02);Chinese Universities Scientific Fund(no.2022TC141). 摘　　要：Dear Editor,Bread wheat(Triticum aestivum)is one of the most important food crops and provides approximately 20%of the food calories for human consumption.A 70%increase in wheat production is needed by 2050 to keep pace with the growing global population(International Wheat Genome Sequencing,2014).Developing superior cultivars is an efficient way to improve yield.Nevertheless,conventional breeding is time consuming,as more than eight generations are needed to develop new plant varieties.Using doubled haploid(DH)technology,homozygous lines can be produced in only two generations,dramatically accelerating the breeding process.In wheat,haploids can be obtained by cross pollination with corn pollen followed by embryo rescue(Laurie and Bennett,1988).In maize,haploids can be induced by haploid inducer lines derived from Stock6(Liu et al.,2022).The cloning of two genes that control haploid induction(HI)in maize,MATL/ZmPLA1/NLD and ZmDMP,paved the way for DH breeding in more crop species(Jacquier et al.,2020).Further studies have shown that loss of function of TaPLAs triggers wheat HI with an efficiency of 5.88%to 31.6%(Liu et al.,2020a,2020b);this would be a promising approach for establishing a new,simple,and more efficient DH breeding method in wheat. 关 键 词：BREEDING CROPS CULTIVAR
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