探索Gymnadenia conopsea不同组织中的真菌社区结构和组合
Xiu Yin1,2, Yazhou Lu1,2, Hong Quan1,2
1The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Xizang Characteristic Agricultural and Animal Husbandry Resources, Xizang Agriculture and Animal Husbandry University, Linzhi, China.
Frontiers in microbiology
|October 27, 2025
概括
这项研究表明,Gymnadenia conopsea中的组织类型显著影响其内性真菌群落. 根被认为是隔离有益真菌以帮助植物生长的关键来源.
科学领域:
- 菌类学 菌类学是指菌类学.
- 植物与微生物的相互作用
- 生态生态学 生态生态学
背景情况:
- 珍贵的药用和装饰植物Gymnadenia conopsea因繁殖率低和过度开发而面临灭绝的风险.
- 固体真菌对植物发育至关重要,但它们在G. conopsea组织中的社区动态在很大程度上仍未被描述.
研究的目的:
- 描述G. conopsea.各种组织中的内菌菌群体结构和组装过程.
- 确定组织特异性真菌成分及其在宿主植物健康中的潜在作用.
主要方法:
- 在G. conopsea.的根,茎,叶子和果实中,Illumina MiSeq对真菌ITS区域的高通量测序.
- 分析真菌群落结构,多样性和共发生网络.
- 评估组装过程和功能性协会 (病变菌,菌,共生菌).
主要成果:
- 总共有7,371个OTU被确定,其中主导的是Ascomycota和Basidiomycota.
- 菌类丰富性在组织之间有显著差异,而多样性则没有.
- 根组织显示Ceratobasidium,Cadophora和Mortierella的相对丰度明显更高,这表明它们对于隔离促进生长的真菌的重要性.
结论:
- 组织类型是塑造G. conopsea.内菌菌群体组成的重要因素.
- 内生菌真菌群体表现出模块化结构,主要具有积极的共同发生网络.
- 决定性因素主要影响真菌群体的组合,病变菌在整个组织中比萨帕特罗夫和共生菌更为丰富.
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