转录组和代谢组分析显示,在杏仁果的发育过程中,糖和酸的积累
Ningning Gou1,2,3,4, Chen Chen1,3,4, Mengzhen Huang1,3,4
1State Key Laboratory of Tree Genetics and Breeding, Research Institute of Non-Timber Forestry, Chinese Academy of Forestry, Zhengzhou 450003, China.
International journal of molecular sciences
|December 9, 2023
概括
要了解杏仁的味道质量,就需要知道糖和酸是如何积累的. 这项研究确定了调节杏仁果糖和酸含量的关键基因和途径,有助于开发更甜的品种.
科学领域:
- 植物科学 植物科学
- 果物生物学 果物生物学
- 分子遗传学 分子遗传学
背景情况:
- 杏仁 (Prunus armeniaca L.) 的风味质量是由可溶性糖和有机酸决定的.
- 控制杏仁糖和酸积累的分子机制尚不清楚.
- 识别这些机制对于改善杏仁的经济和营养价值至关重要.
研究的目的:
- 为了阐明糖和有机酸在杏仁果中的积累背后的分子机制.
- 为了确定关键的基因和调节不同杏仁品种的风味质量的途径.
- 为了为高糖子品种的育种提供基础.
主要方法:
- 糖的量化 (糖,果糖,葡萄糖,,粉) 和有机酸 (酸,酸,可定位酸,pH).
- 在三个发育阶段对三种杏仁品种 ("Shushanggan", "Sungold", "F43") 的转录组概况.
- 不同基因表达 (DEG) 分析,加权基因共同表达网络分析 (WGCNA) 和调控性lncRNA和miRNA的识别.
主要成果:
- 在这三种杏仁品种中观察到糖和酸性特征的显著差异,与风味特征相关.
- "Shushanggan"的糖含量高,酸含量低",Sungold"的糖含量中等,酸含量低,而"F43"的酸含量高,粉含量高.
- 据WGCNA发现,一个棕色模块与糖含量有很强的相关性,突出显示VIP是与糖载体 (SLC35B3,SLC32A,SLC2A8,SLC2A13) 和代谢基因 (MUR3,E3.2.1.67,CSLD) 相互作用的枢纽基因.
- 还确定了针对关键糖代谢基因的调控性lncRNA和miRNA.
结论:
- 这项研究揭示了关键的基因和途径参与糖和酸代谢在杏仁.
- 与特定的糖载体和代谢基因一起,VIP在调节糖累积方面发挥着重要作用.
- 这些发现为选择和繁殖高糖子品种提供了宝贵的遗传资源.
关键词:
在WGCNA中,WGCNA是WGCNA.酸性酸是指一种酸性酸.子子是什么意思果实 果实 果实 果实 果实 果实 果实代谢组代谢组的代谢糖 糖 糖 糖 糖 糖 糖 糖转录组 (transcriptome) 是一个转录组.更多相关视频
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