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持续AITC雾化对土壤微生物群落和功能的差异性选择效应以及耐受性菌株的识别

Mengyuan Wang^1,2, Wenfeng Tian^1,2, Zhoubin Liu¹

¹Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety Breeding, Ministry of Education, Key Laboratory of Vegetable Biology of Hunan Province, College of Horticulture, Hunan Agricultural University, Changsha 410128, China.

|February 27, 2026

概括

酸化 (AITC) 雾化对耐受性土壤微生物进行选择,对真菌群体的影响比细菌群体更大. 耐受性有益细菌表现出比病原体更高的抗性,这表明土壤恢复的潜力.

科学领域:

土壤微生物学土壤微生物学
环境科学环境科学
生物技术是生物技术.

背景情况:

土壤传播的疾病给农业带来了重大挑战.
生物制造的烟雾剂,如艾利尔异硫酸 (AITC) 提供了潜在的解决方案.
持续的AITC烟雾对土壤微生态的生态影响尚未完全理解.

研究的目的:

研究持续AITC烟雾对土壤微生物群落,基因和菌株的影响.
描述由AITC引起的选择性压力和进化动态.
建立一个框架,以了解微生物对AITC压力的反应.

主要方法:

超基因组分析以评估微生物社区结构和功能基因.
纯培养技术用于隔离和表征功能菌株.
毒性测试用于确定病原体和有益细菌对AITC的敏感性.

主要成果:

AITC从敏感的微生物到耐受的微生物进行了定向选择.
菌群体比细菌群体遭受的损害更大.
耐受性属 (例如,Bacillus,Streptomyces) 保持主导地位,而敏感性属 (例如,Pseudomonas,Xanthomonas) 被抑制.
循环基因被下调,而碳循环基因显示出强度.
耐受性有益细菌的EC50值明显高于病原体.

结论:

AITC烟会诱导一种独特的微生物"敏感耐受性"反应.
内生耐受性菌株具有精确生态修复化土壤的潜力.
了解这些动态对于可持续的土壤管理至关重要.

关键词:

亚利异硫酸酸是一种灵敏度灵敏度灵敏度灵敏度灵敏度土壤烟雾化土壤雾化土壤微生物土壤微生物这是一个宽容的宽容度.

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