对根际细菌的趋化反应
Chemotaxis of Response to Rhizosphere Bacteria.
作者信息
Li Beiyang, Wang Pinyi, Yang Liangliang, Rang Xiaozhan, Zhou Wenzhen, Liu Yajun
机构信息
State Laboratory for Conservation and Utilization of Bio-Resources, Yunnan University, Kunming 650091, China.
出版信息
Microorganisms. 2023 Sep 9;11(9):2271. doi: 10.3390/microorganisms11092271.
Rhizosphere microorganisms and the volatile organic compounds (VOCs) produced by them take part in the regulation of the chemotaxis of nematodes. A total of 150 strains of rhizosphere bacteria were screened via a chemotaxis experiment with . Some isolates affected the behavior of the nematodes, including attraction, randomness, and repulsion. Volatile metabolites produced via the selected bacteria were associated with the chemotaxis of nematodes. was highly attracted to decanal. In addition, dimethyl disulfide, 2,5-dimethylpyrazine, pentadecanoic acid, and palmitic acid were found to attract weakly . Furthermore, the chemotaxis of was tested in a pot experiment. The bacteria sp. 1-50, 2-35, 5-14, 6-4, and VOC decanal could regulate the movement of M. incognita in the pot with or without plants. The results provide insights into rhizosphere microorganisms and their VOCs and how they regulate the chemotaxis of the nematodes.
根际微生物及其产生的挥发性有机化合物（VOCs）参与线虫趋化性的调节。通过使用……进行趋化性实验，共筛选出150株根际细菌。一些分离物影响线虫的行为，包括吸引、随机运动和排斥。所选细菌产生的挥发性代谢产物与线虫的趋化性有关。……对癸醛有高度吸引力。此外，发现二甲基二硫醚、2,5 - 二甲基吡嗪、十五烷酸和棕榈酸对线虫有较弱的吸引作用。此外，在盆栽实验中测试了……的趋化性。细菌……sp. 1 - 50、……2 - 35、……5 - 14、……6 - 4和挥发性化合物癸醛可以在有植物或无植物的盆栽中调节南方根结线虫的运动。这些结果为根际微生物及其挥发性有机化合物以及它们如何调节线虫趋化性提供了见解。
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