在黑核桃中进行全基因组识别,转录组动力学和关键素生物合成基因家族PAL和CAD的表达调节
Huijuan Zhou1,2, Hengzhao Liu2, Jiayu Ma2
1Xi'an Botanical Garden of Shaanxi Province (Institute of Botany of Shaanxi Province), Xi'an, Shaanxi, 710061, China.
BMC plant biology
|July 3, 2025
概括
确定了东部黑核桃 (EBW) 氨酸生物合成基因,氨氨酸氨酸酶 (PAL) 和肉醇脱酶 (CAD),并分析了它们的表达. 这些关键基因在发育过程中在和核中显示出显著的差异性表达,为繁殖提供了洞察力.
科学领域:
- 植物分子生物学 植物分子生物学
- 红素生物合成 红素生物合成
- 基因表达分析 基因表达分析
背景情况:
- 核桃 (Juglans) 种类,包括东部黑核桃 (J. nigra),在经济和生态上具有重要意义.
- 素生物合成中的关键酶,氨氨酶 (PAL) 和胺醇脱酶 (CAD),对于植物发育至关重要.
- 在东部黑核桃中,PAL和CAD基因家族的基因组资源和表达数据有限.
研究的目的:
- 在J. nigra.中进行PAL和CAD基因家族的全基因组识别.
- 在核桃发育过程中分析这些基因的转录组动态和表达特征.
- 阐明PAL和CAD在贝形成中的作用,并为繁殖策略提供信息.
主要方法:
- 在三个发育阶段 (80,111和140 DAF) 的东部黑胡桃和核的RNA测序.
- 在J. nigra和J. microcarpa中对PAL和CAD蛋白家族的全基因组识别.
- 差异基因表达 (DEG) 分析以确定关键候选基因.
主要成果:
- 在J. nigra中发现了7个PAL和3个CAD蛋白,在J. microcarpa中发现了5个PAL和3个CAD蛋白.
- 包括JnPAL,JnC4H,Jn4CL1,Jn4CL2,JnHCT,JnCOMT,JnCAD2和JnCAD-like在内的基因显示出显著的差异性表达.
- 与相比,PAL和CAD基因在所有发育阶段都在中显著上调,并确定了特定的候选基因 (JnPAL1,JnPAL2,JnPAL6,JnCAD2,JnCAD3).
结论:
- 东部黑核桃中PAL和CAD基因家族的全面分析提供了有价值的基因组和转录组数据.
- 这项研究强调了PAL和CAD基因表达在核桃发育中的关键作用.
- 这些发现可以指导基因辅助育种,以改善诸如核桃种植中的贝厚度等特征.
关键词:
在这里,我们可以看到CAD,CAD,CAD.黑色的花 (Juglans nigra) 是一个黑色的花.亲爱的 亲爱的 亲爱的 亲爱的黑色的核桃是一个黑色的核桃.氨酸生物合成 氨酸生物合成转录组 转录组就是一个转录组.更多相关视频
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