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Genetic mapping and functional genomics of soybean seed protein

文献类型： 外文期刊

作者： Liu, Shu 1 ; Liu, Zhaojun 4 ; Hou, Xingliang 1 ; Li, Xiaoming 1 ;

作者机构： 1.Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, Guangzhou 510650, Peoples R China

2.Chinese Acad Sci, Key Lab South China Agr Plant Mol Anal & Genet Imp, South China Bot Garden, Guangzhou 510650, Peoples R China

3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

4.Heilongjiang Acad Agr Sci, Harbin 150086, Peoples R China

5.Hainan Yazhou Bay Seed Lab, Sanya 572025, Peoples R China

关键词： Soybean; Seed protein; Negative correlation; QTL; Genomics; Molecular breeding

期刊名称：MOLECULAR BREEDING （ 影响因子：3.1； 五年影响因子：3.1 ）

ISSN： 1380-3743

年卷期： 2023 年 43 卷 4 期

页码：

收录情况： SCI

摘要： Soybean is an utterly important crop for high-quality meal protein and vegetative oil. Soybean seed protein content has become a key factor in nutrients for livestock feed as well as human dietary consumption. Genetic improvement of soybean seed protein is highly desired to meet the demands of rapidly growing world population. Molecular mapping and genomic analysis in soybean have identified many quantitative trait loci (QTL) underlying seed protein content control. Exploring the mechanisms of seed storage protein regulation will be helpful to achieve the improvement of protein content. However, the practice of breeding higher protein soybean is challenging because soybean seed protein is negatively correlated with seed oil content and yield. To overcome the limitation of such inverse relationship, deeper insights into the property and genetic control of seed protein are required. Recent advances of soybean genomics have strongly enhanced the understandings for molecular mechanisms of soybean with better seed quality. Here, we review the research progress in the genetic characteristics of soybean storage protein, and up-to-date advances of molecular mappings and genomics of soybean protein. The key factors underlying the mechanisms of the negative correlation between protein and oil in soybean seeds are elaborated. We also briefly discuss the future prospects of breaking the bottleneck of the negative correlation to develop high protein soybean without penalty of oil and yield.

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