基因组和比较转录组分析生长和发育变化在Pileus的Cyclocybe chaxingu
Liyuan Luo1, Shiqi Wan1,2, Yuling Zhou1,2
1Mycological Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
Journal of fungi (Basel, Switzerland)
|January 27, 2026
概括
这项研究揭示了控制帽发育和Cyclocybe chaxingu.色彩的关键遗传途径. 了解这些机制有助于培育更好的食用.
科学领域:
- 菌类学 菌类学是指菌类学.
- 基因组学就是基因组学.
- 分子生物学分子生物学
背景情况:
- 皮勒乌斯的大小和颜色是可食用的真菌Cyclocybe chaxingu的关键商业特征.
- 我们对C. chaxingu pileus发育的分子遗传基础的理解有限.
研究的目的:
- 为了阐明控制Cyclocybe chaxingu. pileus发育和色素的分子机制.
- 为未来的遗传研究提供C. chaxingu高质量的基因组组.
主要方法:
- 使用Hi-C技术组建C. chaxingu的基因组.
- 在不同发育阶段的棕色和白色品种的比较转录组分析.
- 进行KEGG丰富分析以确定相关的代谢途径.
主要成果:
- 基因组组装揭示了11332个编码蛋白质的基因. 皮莱乌斯扩张与DNA复制和细胞循环途径相关,而色素化则涉及氨酸和氨酸代谢.
- 氨酸酶的降低调节和谷氨酸S转移酶基因的上调调节与的颜色变浅有关.
- 在品种之间和整个发育阶段观察到不同的基因表达模式.
结论:
- 这项研究为形态和色素的遗传调节提供了基础的见解.
- 这些发现支持可食用的分子育种,如C. chaxingu.
- 鉴定了扩张和颜色变化的关键基因和途径,为未来的研究提供了目标.
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