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短小芽孢杆菌JK-SX001非蛋白抗菌物质研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2012年03期
Page:
13-16
Column:
研究论文
publishdate:
2012-05-30

Article Info:/Info

Title:
Isolation, antifungal effect and characteristics of non-protein substances produced by Bacillus pumilus JK-SX001
Author(s):
YAN AiqinWu XiaoqinYE Jianren*FAN Bo
Jiangsu Key Laboratory for Prevention and Management of Invasive Species,Nanjing Forestry University,Nanjing 210037,China
Keywords:
Bacillus pumilus non-protein antifungal substances antagonistic mechanism
Classification number :
S763
DOI:
10.3969/j.jssn.1000-2006.2012.03.004
Document Code:
A
Abstract:
In order to explore the effect of non-protein antifungal substances produced by Bacillus pumilus strain JK-SX001 and its mechanisms on poplar canker disease, three pathogenic fungi species Cytospora chrysosperma,Phomopsis macrospora and Fusicoccum aesculi were used. The extraction methods of the non-protein antifungal substances and its inhibitory mechanisms on mycelia and germinated-spores were studied, while we also measured some physical and chemical properties of the non-protein antifungal substances. The results showed that the non-protein antifungal substances had a strong inhibition to the mycelia growth and spore germination, and could dissolve the spore. Valid storage life had great influence on the substances. However, illumination and temperature had little effect on the activity of the antifungal substances.

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Last Update: 2012-05-30