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Zehong Ding¹, Lili Fu¹, Bin Wang²

¹National Key Laboratory for Tropical Crop Breeding, Key Laboratory of Biology and Genetic Resources of Tropical Crops, Institute of Tropical Bioscience and Biotechnology, Sanya Research Institute of Chinese Academy of Tropical Agricultural Sciences, Haikou, China.

|December 15, 2023

概括

这项研究揭示了大麻储存根中的代谢物变异的遗传基础,将其与营养质量和作物改善联系起来. 确定了影响颜色和体重等特征的关键基因,有助于未来的育种工作.

科学领域:

植物代谢学植物代谢学
遗传学是一个遗传学.
农作物科学农作物科学

背景情况:

代谢物极大地影响植物的营养价值和人类的健康.
基于代谢物的营养和根植作物的化在基因基础上的基因基础是鲜为人知的.

研究的目的:

剖析麻瓜储存根中的代谢物变化的遗传基础.
将代谢物概况与农学特征联系起来,并在化过程中识别受选择的基因.

主要方法:

代谢和表型全基因组关联研究 (GWAS) 在299种种植的木加入中进行.
量化了2,980个代谢特征,并确定了18,218个标志物-代谢物关联.
候选基因使用体外酶试验和体内基因沉默进行了功能验证.

主要成果:

确定了12个控制营养重要代谢物的候选基因.
参与黄,素和原糖类代谢 (Me3GT,MeMYB4,UGT85K4/UGT85K5) 的基因在功能上得到了验证.
一个基因集群用于原糖化物生物合成 (CYP79D1,CYP71E7b,UGT85K5) 与低林马林含量有关.
MeMYB4的变异影响了酸盐含量和储存根的颜色.
人类的选择影响了素3-O-糖化物含量和根的重量,其中MeFLS1被确定为选择的目标.

结论:

揭示了麻瓜储存根代谢组变异的遗传基础.
建立了代谢物和关键农学特征之间的联系.
为基因改进麻豆和其他根植作物营养提供了资源.

关键词:

卡萨瓦:卡萨瓦是一种天然植物.化是一种化.全基因组关联研究研究.代谢概况分析是指代谢概况分析.自然变化的自然变化.营养素质量营养素质量

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