Trans-2-pentenal suppresses potato common scab via dual inhibition of thiamine and energy metabolism in Streptomyces scabies
文献类型： 外文期刊
作者： Liu, Haixu 1 ; Li, Qingquan 2 ; Zhang, Yan 3 ; Shi, Ke 1 ; Zhang, Lili 1 ; Chen, Yufei 1 ; Xin, Dawei 1 ; Shi, Ying 1 ;
作者机构： 1.Northeast Agr Univ, Coll Agr, Harbin 150030, Peoples R China
2.Heilongjiang Acad Agr Sci, Inst Ind Crops, Heilongjiang Key Lab Potato Biol & Qual Improvemen, Harbin, Peoples R China
3.Harbin Acad Agr Sci, Harbin, Peoples R China
关键词： potato common scab; Streptomyces scabies; Streptomyces enissocaesilis; volatile organic compounds; thiamine metabolism; trans-2-pentenal
期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：3.8； 五年影响因子：4.3 ）
ISSN： 1526-498X
年卷期： 2025 年
页码：
收录情况： SCI
摘要：
BACKGROUND Potato common scab, a devastating soil-borne disease caused by Streptomyces scabies and other pathogenic Streptomyces species. Resistant cultivar Longshu 27 and susceptible Longshu 20 were used. Volatile organic compounds (VOCs) with direct antibacterial activity in potato tubers were identified and screened through HS-SPME-GC-MS and in vitro antibacterial assays. The antibacterial mechanisms of characteristic VOCs from the resistant cultivar were elucidated through transcriptome sequencing and validation experiments.RESULTS Trans-2-pentenal, which was significantly higher in the disease resistant variety than in the susceptible variety, exhibited strong inhibitory effects on S. scabies and S. enissocaesilis. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were 313 and 625 mu g
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