Int. J. Mol. Sci. 2012, 13(3), 3916-3932; doi:10.3390/ijms13033916
Article

Enhancement of Biocontrol Efficacy of Pichia carribbica to Postharvest Diseases of Strawberries by Addition of Trehalose to the Growth Medium

1 College of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China 2 Institute of Life Sciences, Jiangsu University, Zhenjiang 212013, Jiangsu, China 3 The Library, Jiangsu University, Zhenjiang 212013, Jiangsu, China
* Author to whom correspondence should be addressed.
Received: 13 February 2012; in revised form: 2 March 2012 / Accepted: 19 March 2012 / Published: 22 March 2012
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Abstract: The effects of trehalose on the antagonistic activity of Pichia caribbica against Rhizopus decay and gray mold decay of strawberries and the possible mechanisms involved were investigated. The proteomic analysis and comparison of P. carribbica in response to trehalose was analyzed based on two-dimensional gel electrophoresis. The antagonistic activity of P. carribbica harvested from the culture media of NYDB amended with trehalose at 0.5% was improved greatly compared with that without trehalose. The PPO (Polyphenoloxidase) and POD (Peroxidase) activity of strawberries treated with P. carribbica cultured in the NYDB media amended with trehalose at 0.5% was higher than that of the strawberries treated with P. carribbica harvested from NYDB. The β-1, 3-glucanase activity of strawberries treated with P. carribbica cultured in the NYDB media amended with trehalose at 0.5% was also higher than that of the strawberries treated with P. carribbica harvested from NYDB and the control. Several differentially expressed proteins of P. carribbica in response to trehalose were identified in the cellular proteome, most of them were related to basic metabolism.
Keywords: Trehalose; Pichia caribbica; postharvest diseases; antagonistic activity; strawberries; differentially expressed proteins

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MDPI and ACS Style

Zhao, L.; Zhang, H.; Li, J.; Cui, J.; Zhang, X.; Ren, X. Enhancement of Biocontrol Efficacy of Pichia carribbica to Postharvest Diseases of Strawberries by Addition of Trehalose to the Growth Medium. Int. J. Mol. Sci. 2012, 13, 3916-3932.

AMA Style

Zhao L, Zhang H, Li J, Cui J, Zhang X, Ren X. Enhancement of Biocontrol Efficacy of Pichia carribbica to Postharvest Diseases of Strawberries by Addition of Trehalose to the Growth Medium. International Journal of Molecular Sciences. 2012; 13(3):3916-3932.

Chicago/Turabian Style

Zhao, Lina; Zhang, Hongyin; Li, Jun; Cui, Jinghua; Zhang, Xiaoyun; Ren, Xiaofeng. 2012. "Enhancement of Biocontrol Efficacy of Pichia carribbica to Postharvest Diseases of Strawberries by Addition of Trehalose to the Growth Medium." Int. J. Mol. Sci. 13, no. 3: 3916-3932.

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