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  • Title: Progress on inheritance and gene cloning for rice grain quality in Jiangsu province.
    Author: Zhang CQ, Feng LH, Gu MH, Liu QQ.
    Journal: Yi Chuan; 2021 May 20; 43(5):425-441. PubMed ID: 33972214.
    Abstract:
    In China, rice (Oryza sativa L.) is a major cereal crop of great importance maintaining the food security and sustainable agricultural development. Jiangsu is one of the main provinces for rice production. After more than 40 years of development, the yield and quality of rice grain have made great progress. Rice grain quality is a complex trait involving production, processing, marketing and consumption of the grain. In this review, we summarize the progress on the genetic basis of main grain quality traits in the rice variety breeding in Jiangsu province and point out the achievement of each milestone. With a focus on the genetic regulation of grain appearance, eating and cooking quality and nutritional quality, we describe the classic genetic rules and molecular basis of rice grain quality traits and review the function of major genes that regulate corresponding traits. The genetics and improvement of grain quality achieved in Jiangsu province was highlighted on the domestic and international rice breeding programs. In particular, with the advance of breeding conception in terms of functional genomics and genetic regulatory networks, the specific molecular design for grain quality improvement will be the future direction of rice genetic breeding program of Jiangsu Province. 水稻(Oryza sativa L.)是保障我国粮食安全和农业可持续发展的主粮作物,江苏是我国重要的水稻种植区。经过40多年的发展,江苏水稻产量和品质性状研究都取得了重要进展。稻米品质性状组成复杂,涉及生产、加工、销售和消费多方面。本文对江苏省水稻几个主要品质性状的遗传研究历程进行了概括,重点对水稻外观品质、蒸煮食味品质和营养品质的遗传调控研究进行了总结。文章介绍了稻米品质性状的经典遗传规律和分子遗传特点,综述了各个品质性状遗传调控相关的重要功能基因。相关研究成果凸显了江苏水稻品质遗传改良基础研究在国内外的重要地位。特别指出,随着水稻功能基因组学的发展和品质性状遗传调控网络的明晰,未来针对特定或复合品质性状的分子设计育种是江苏水稻品质遗传改良研究中要重点推进的方向。.
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