[1]王法国,张荣胜,刘永锋,等.生防菌解淀粉芽胞杆菌 JT84 发酵工艺优化[J].江苏农业学报,2017,(01):73-80.[doi:10.3969/j.issn.1000-4440.2017.01.012 ]
 WANG Fa-guo,ZHANG Rong-sheng,LIU Yong-feng,et al.Optimization of fermentation process of biocontrol agent Bacillus amyloliquefaciens JT84[J].,2017,(01):73-80.[doi:10.3969/j.issn.1000-4440.2017.01.012 ]
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生防菌解淀粉芽胞杆菌 JT84 发酵工艺优化()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年01期
页码:
73-80
栏目:
植物保护
出版日期:
2017-02-28

文章信息/Info

Title:
Optimization of fermentation process of biocontrol agent Bacillus amyloliquefaciens JT84
作者:
王法国12张荣胜1刘永锋1陆凡3
(1.江苏省农业科学院植物保护研究所,江苏南京210014;2.南京农业大学植物保护学院,江苏南京210095;3.江苏省苏科农化有限公司,江苏南京210014 )
Author(s):
WANG Fa-guo12ZHANG Rong-sheng1LIU Yong-feng1LU Fan3
(1.Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;2.College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China;3.Suke Agrochemical Limited Liability Company, Nanjing 210014, China)
关键词:
Plackett-Burman试验设计响应曲面法
Keywords:
Bacillus amyloliquefaciensPlackettBurman experimentsresponse surface methodology
分类号:
S482.2+92
DOI:
10.3969/j.issn.1000-4440.2017.01.012
文献标志码:
A
摘要:
为探明解淀粉芽胞杆菌菌株JT84的使用前景,对其发酵工艺进行了研究。通过单因素试验和PlackettBurman 试验设计及 BoxBehnken 试验设计的响应曲面法,对JT84菌株的发酵培养基和培养条件进行了优化。确定培养基3个主要因子的质量浓度分别为:葡萄糖3.59 g/L、大豆蛋白胨21.89 g/L和K2HPO4 0.49 g/L;培养条件3个主要因子为:培养温度、装液量和发酵时间,根据响应曲面方程预测结果并结合生产实际,这3个主要培养条件因子分别设定为30.6 ℃、68 ml(250 ml三角瓶)和 65.5 h。在初始pH为6.7、转速180 r/min、接种量3%的条件下,发酵液芽胞含量为1.67×109CFU/ml,较基础培养基(YPG)芽胞含量提高159%,无菌滤液对稻瘟病菌的抑菌带宽增加18.2%。
Abstract:
The single factor test, PlackettBurman experiments and BoxBehnken response surface methodology were adopted to optimize the liquid fermentation medium and conditions of Bacillus amyloliquefaciens JT84 for application. According to the evaluation by the response surface model established in this study, the optimum mass concentrations of the three components, glucose, soya peptone and K2HPO4, in fermentation medium were 3.59 g/L, 21.89 g/L and 0.49 g/L respectively. The fermentation condition determination tests indicated that temperature, filling volume and shaking time were the major factors affecting JT84 yield. The optimized fermentation conditions were 30.7 ℃, the filling volume 68 ml in 250 ml, shaking flask for 65.5 h, at 180 r/min, and initial pH 6.7 and inoculum volume 3%. Under the conditions spore production was up to 1.67×109CFU/ml, spore increased by 159% and the width of antifungal activity increased by 18.2% compared with the basal medium (YPG).

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备注/Memo

备注/Memo:
收稿日期:2016-09-07 基金项目:江苏省科技支撑项目(BE2014386);江苏省农业科技自主创新基金项目[CX(13)3024] 作者简介:王法国(1990-),男,山东邹城人,硕士研究生,研究方向为生物防治。(E-mail)2015802155@njau.edu.cn 通讯作者:陆凡,(E-mail)13705181875@163.com
更新日期/Last Update: 2017-04-12