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- The effects of fluctuating culture temperature on stress tolerance and antioxidase expression in Esteya vermicola
- Yun-bo Wang , Wen-xing Pang , Xiao-na Yv , Jing-jie Li , Yong-an Zhang , Chang-keun Sung
- J. Microbiol. 2015;53(2):122-126. Published online January 28, 2015
- DOI: https://doi.org/10.1007/s12275-015-4529-2
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Abstract
- The endoparasitic nematophagous fungus, Esteya vermicola, has shown great potential as a biological control agent against the pine wood nematode, Bursaphelenchus xylophilus. Fluctuating culture temperatures can affect fungal yields and fungal tolerance to desiccation, UV radiation, H2O2, and heat stress, as well as antioxidase expression. To explore these effects, E. vermicola cultured under five temperature ranges, 26oC, 15-26oC, 26-35oC, 20-30oC, and 15-35oC, were compared. The cultures grown at lower temperatures showed better growth, stronger tolerance to desiccation, UV, and H2O2 stresses, and increased catalase expression, However, these cultures also showed weaker heat stress tolerance and lower superoxide dismutase expression than the higher-temperature cultures. In particular, the E. vermicola cultured at 20-30oC, i.e., fluctuating in a narrow range around the optimal temperature, showed the best performance. Therefore, for production in practical applications, this narrowly fluctuating, moderate temperature appears to be optimal for yield and stress tolerance in E. vermicola.
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Citations
Citations to this article as recorded by
- Establishing Gene Expression and Knockout Methods in Esteya vermicola CBS115803
Zhijuan Hu, Chi Chen, Xinyao Zheng, Jingjie Yuan, Run Zou, Chengjian Xie
Molecular Biotechnology.2024; 66(10): 2872. CrossRef - Research Progress on Biocontrol of Pine Wilt Disease by Microorganisms
Guiming Dou, Dong-Hui Yan
Forests.2022; 13(7): 1047. CrossRef -
Effect of culture conditions on conidia production and enhancement of environmental stress resistance of
Esteya vermicola
in solid‐state fermentation
Y. Zhu, Y. Mao, T. Ma, X. Wen
Journal of Applied Microbiology.2021; 131(1): 404. CrossRef - In vivo infection of Bursaphelenchus xylophilus by the fungus Esteya vermicola
Hai‐Hua Wang, Yun‐Bo Wang, Can Yin, Jie Gao, Ran Tao, Yu‐Lou Sun, Chun‐Yan Wang, Zhen Wang, Yong‐Xia Li, Chang‐Keun Sung
Pest Management Science.2020; 76(8): 2854. CrossRef - Research advance on Esteya vermicola, a high potential biocontrol agent of pine wilt disease
Wen Hui Chu, Qing Dou, Hong Long Chu, Hai Hua Wang, Chang Keun Sung, Chun Yan Wang
Mycological Progress.2015;[Epub] CrossRef
- Establishing Gene Expression and Knockout Methods in Esteya vermicola CBS115803
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