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对 (Diospyros kaki) 的体性突变体的比较转录组分析确定了果实成熟和大小的调节网络

Seunghyun Ban^1,2, Hye-Young Suh³, Su Hyeon Lee⁴

¹Department of Horticulture, College of Agriculture and Life Science, Kyungpook National University, Daegu, Republic of Korea.

Frontiers in plant science

|August 19, 2024

概括

花运动在花中创造了新的特征. 这项研究揭示了Tonewase (早期成熟) 和Ohtanenashi (大水果) 芽运动中的独特基因表达,揭示了这些水果质量差异的遗传基础.

科学领域:

植物遗传学植物遗传学
改善水果作物作物的改善.
分子生物学分子生物学

背景情况:

在水果作物中的芽运动导致具有独特特征的新品种.
芽运动,Tonewase (早期成熟) 和Ohtanenashi (大水果),与他们的父母,Hiratanenashi相比,表现出独特的表型.
这些特征变异的分子基础在很大程度上仍未被探索.

研究的目的:

研究芽运动 (Tonewase,Ohtanenashi) 与其母品种 (Hiratanenashi) 的表型和基因表达差异.
为了确定品种特异性特征的遗传基础,如早期成熟和增加水果大小.
了解不同种的水果发育过程中的转录基因变化.

主要方法:

RNA测序 (RNA-seq) 用于比较基因表达特征.
重量基因同表达网络分析 (WGCNA) 用于识别基因模块.
差异基因表达分析以确定关键的遗传变异.

主要成果:

确定了15814个差异表达的基因和26个基因共同表达模块.
发现了Tonewase (M11,M16,M22,M23) 和Ohtanenashi (M13,M24) 独特的模块表达模式.
将乙烯和细胞壁通路与Tonewase的早期成熟以及M24中的细胞循环/乙烯/转录因子基因链接到Ohtanenashi的更大的水果大小.

结论:

果子发育过程中的转录基因差异是花芽运动的独特特征的基础.
特定的基因模块和通路与桃的早期成熟和增加水果大小有关.
这项研究提供了对控制果实质量特征的遗传机制的见解.

关键词:

博德体育公司博德体育对比的转录组分析.果实成熟的成熟过程果实大小果实大小果实大小胡桃子胡桃子是什么意思

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