摩尔 (Morus) 种类中的内菌的多样性 具有不同遗传资源的种子
Yun-Fei Zhang1, Ying-Ting Qin1, Ze-Yu Liu1
1State Key Laboratory of Resource Insects, Colledge of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China.
Frontiers in microbiology
|July 9, 2025
概括
野生木树的树苗拥有比培养的更多样化的内菌,其独特的种群可能与地理适应有关. 这项研究有助于理解微生物组在植物适应和改善中的作用.
科学领域:
- 微生物学 微生物学
- 植物科学 植物科学
- 遗传学 遗传学 是一个
背景情况:
- 内生菌对植物生长,营养吸收和耐压力至关重要.
- 在植物生殖质中,特别是树中,对内菌群体的研究是有限的.
研究的目的:
- 在野生和栽培的木树苗中表征内菌细菌群体.
- 研究生殖质原和培养对细菌多样性的影响.
- 探索这些内菌的功能作用和适应意义.
主要方法:
- 分析了21个 (野生和耕种) 的木树苗,将它们移植到一个共同的根茎上.
- 使用Illumina MiSeq.进行16S rRNA安普利康的高通量测序.
- 同时发生的网络分析和细菌群落的功能预测.
主要成果:
- 鉴定了10个类,113个属; 蛋白质细菌占主导地位,其中斯芬戈蒙纳斯,甲基杆菌-甲基和奥雷蒙纳斯是关键的属.
- 野生种子表现出比栽培种子更复杂的内菌细菌群落.
- 在西藏野生树中明显的Actinobacteria签名表明了地理适应;Sphingomonas和Methylobacterium-Methylorubrum是关键类.
结论:
- 树生殖质原产地显著影响内性细菌群体的组成和功能.
- 野中的内菌体细菌表现出更大的代谢潜力,这表明它们在适应中发挥了作用.
- 研究结果提供了对多年种植植的植物微生物驱动的适应性的见解,并为木改进提供了参考.
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