鉴定和评估两种生防细菌对番茄青枯病的防治作用及其遗传响应。
Characterization and assessment of two biocontrol bacteria against Pseudomonas syringae wilt in Solanum lycopersicum and its genetic responses.
机构信息
Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk 54596, South Korea; Department of Environmental Science, Periyar University, Salem 636011, Tamil Nadu, India.
Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan, Jeonbuk 54596, South Korea.
出版信息
Microbiol Res. 2018 Jan;206:43-49. doi: 10.1016/j.micres.2017.09.003. Epub 2017 Sep 12.
Pseudomonas and Bacillus species are attractive due to their potential bio-control application against plant bacterial pathogens. Pseudomonas aeruginosa strain D4 and Bacillus stratosphericus strain FW3 were isolated from mine tailings in South Korea. In these potent bacterial strains, we observed improved antagonistic activity against Pseudomonas syringae DC3000. These strains produced biocatalysts for plant growth promotion, and in vivo examination of Solanum lycopersicum included analysis of disease severity, ion leakage, chlorophyll content, and HO detection. In addition, regulation of the defense genes pathogen-related protein 1a (PR1a) and phenylalanine ammonia lyase (PAL) was compared with treated plants and untreated control plants. The results suggest that these two bacterial strains provide protection against plant pathogens via direct and indirect modes of action and could be used as a bio-control agent.
假单胞菌和芽孢杆菌由于其在防治植物细菌性病原菌方面的潜在生物防治应用而受到关注。铜绿假单胞菌菌株 D4 和芽孢杆菌菌株 FW3 是从韩国的矿山尾矿中分离出来的。在这些有效的细菌菌株中，我们观察到对丁香假单胞菌 DC3000 的拮抗活性得到了改善。这些菌株产生了促进植物生长的生物催化剂，对番茄的体内检测包括对病情严重程度、离子泄漏、叶绿素含量和 HO 检测的分析。此外，还比较了处理过的植物和未处理的对照植物中防御基因病程相关蛋白 1a（PR1a）和苯丙氨酸解氨酶（PAL）的调节。结果表明，这两种细菌菌株通过直接和间接作用模式为植物病原体提供保护，可作为生物防治剂使用。
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