|本期目录/Table of Contents|

[1]余文杰,乔俊卿,易厚天,等.绿针假单胞菌YL-1高产荧光性嗜铁素的摇瓶发酵工艺优化[J].江苏农业科学,2021,49(24):225-232.
 Yu Wenjie,et al.Optimization of fermentation process of Pseudomonas chlororaphis YL-1 with high production of pyoverdine in flask[J].Jiangsu Agricultural Sciences,2021,49(24):225-232.
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绿针假单胞菌YL-1高产荧光性嗜铁素的摇瓶发酵工艺优化(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第24期
页码:
225-232
栏目:
资源与环境
出版日期:
2021-12-20

文章信息/Info

Title:
Optimization of fermentation process of Pseudomonas chlororaphis YL-1 with high production of pyoverdine in flask
作者:
余文杰12 乔俊卿2 易厚天3 左杨2 刘永锋2 刘邮洲12
1.南京农业大学植物保护学院,江苏南京 210095; 2.江苏省农业科学院植物保护研究所,江苏南京 210014;3.华东师范大学统计学院,上海 200241
Author(s):
Yu Wenjieet al
关键词:
绿针假单胞菌荧光性嗜铁素PVD发酵培养基发酵条件工艺优化
Keywords:
-
分类号:
S182
DOI:
-
文献标志码:
A
摘要:
绿针假单胞菌(Pseudomonas chlororaphis)YL-1是一种对多种病原菌均有良好防治效果的生防菌株,前期研究结果表明,在室内缺铁培养基和自然环境中,绿针假单胞菌的主要抑菌物质是其分泌的荧光性嗜铁素(Pyoverdine,简称PVD)。为提高其嗜铁素的产量,采用摇瓶培养发酵,通过 Plackett-Burman 试验设计、中心组合(CCD)试验设计和响应曲面法,优化YL-1菌株高产嗜铁素的发酵培养基成分和发酵条件,最终获得YL-1菌株高产嗜铁素的最佳培养基成分为1.52 g/L丁二酸、2.00 g/L丁二酸钠、0.88 g/L MgSO4·7H2O、0.50 g/L (NH4)2SO4、0.50 g/L蔗糖、3.49 g/L KH2PO4,5.44 g/L K2HPO4,最佳培养条件:温度为26 ℃,pH值为7.0,发酵时间为36 h,接种量为2%,转速为180 r/min,装液量为250 mL三角瓶装50 mL液体。摇瓶试验结果表明,优化培养基成分及培养条件后,菌株YL-1嗜铁素的产量提高43.18%,D405 nm/D600 nm值为2.36,优化效果明显。
Abstract:
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参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-04-09
基金项目:国家自然科学基金 (编号:31672076);苏州市科技计划 (编号:SNG2018095) 。
作者简介:余文杰(1997—),男,安徽淮南人,硕士研究生,主要从事植物病害生物防治研究。E-mail:260717453@qq.com。
通信作者:刘邮洲,博士,研究员,主要从事植物病害生物防治与农药开发研究。E-mail:shitouren88888@163.com。
更新日期/Last Update: 2021-12-20