|本期目录/Table of Contents|

[1]尹向田,杨阳.甲基营养型芽孢杆菌GSBM05产抗菌活性物质发酵条件优化[J].江苏农业科学,2018,46(20):89-93.
 Yin Xiangtian,et al.Optimization of fermentation conditions of antibacterial substance produced by Bacillus methylotrophicus GSBM05[J].Jiangsu Agricultural Sciences,2018,46(20):89-93.
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甲基营养型芽孢杆菌GSBM05产抗菌
活性物质发酵条件优化
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第20期
页码:
89-93
栏目:
植物保护
出版日期:
2018-10-20

文章信息/Info

Title:
Optimization of fermentation conditions of antibacterial substance produced by Bacillus methylotrophicus GSBM05
作者:
尹向田 杨阳
山东省葡萄研究院,山东济南 250100
Author(s):
Yin Xiangtianet al
关键词:
甲基营养型芽孢杆菌发酵条件优化葡萄白腐病病菌抗菌活性物质正交试验稳定性生防菌剂
Keywords:
-
分类号:
S188+.4
DOI:
-
文献标志码:
A
摘要:
为探讨甲基营养型芽孢杆菌GSBM05菌株液体发酵条件,提高菌体及次级代谢物质产量,以菌体生物量和发酵液对葡萄白腐病病菌的抑菌活性为指标,采用单因子试验和正交设计方法对菌株的最适发酵培养基成分和发酵条件进行优化,并研究抗菌活性物质的稳定性。结果表明,菌株GSBM05最适发酵培养基配方为2.0%可溶性淀粉,2.0%豆粕,3.0%酵母粉,0.3% NaCl,0.3% CaCO3;最佳发酵条件:初始pH值为7.0,装液量为90 mL/250 mL三角瓶,接种量为6%,摇床转速为150 r/min,培养温度为30 ℃,培养时间为72 h。在最佳发酵培养基和培养条件下,菌株GSBM05的抑菌能力提高66.9%;GSBM05菌株发酵液在pH值为3.0~11.0之间抑菌活性较稳定,经40~100 ℃处理后仍具有较高的活性,当温度为120 ℃时抑菌活性丧失。经不同时间的紫外线照射后,发酵液抑菌活性趋于稳定。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-05-25
基金项目:山东省农业科学院青年基金(编号:2016YQN35);山东省自然科学基金(编号:ZR2016CP20);山东省农业科学院创新工程(编号:CXGC2016D01)。
作者简介:尹向田(1985—),女,山东济南人,硕士,农艺师,主要从事葡萄病害的生物防治工作。E-mail:yxt1985@163.com。
更新日期/Last Update: 2018-10-20