|本期目录/Table of Contents|

[1]王瑞飞,王妍,姜恬,等.连作地黄根际土壤中固氮耐酚酸细菌的分离鉴定[J].江苏农业科学,2017,45(10):229-232.
 Wang Ruifei,et al.Isolation and identification of bacteria with nitrogen fixation and phenolic acid resistance in rhizosphere soil of Rehmanniae glutinosa under continuous cropping[J].Jiangsu Agricultural Sciences,2017,45(10):229-232.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年10期
页码:
229-232
栏目:
资源与环境
出版日期:
2017-05-20

文章信息/Info

Title:
Isolation and identification of bacteria with nitrogen fixation and phenolic acid resistance in rhizosphere soil of Rehmanniae glutinosa under continuous cropping
作者:
王瑞飞12 王妍1 姜恬1 李学梅1 杨清香12
1.河南师范大学生命科学学院,河南新乡 453007; 2.资源微生物与功能分子河南省高校重点实验室培育基地,河南新乡 453007
Author(s):
Wang Ruifeiet al
关键词:
地黄连作障碍固氮耐酚酸短小芽孢杆菌地中海假单胞菌
Keywords:
-
分类号:
S182
DOI:
-
文献标志码:
A
摘要:
以连作地黄根际土壤中的微生物为对象,筛选既能够固氮又能够耐受酚酸类物质的细菌,并对其进行鉴定,为克服连作障碍的菌剂开发提供菌种资源。通过阿须贝无氮培养基平板涂布及分离纯化试验,最终获得菌落形态特征鲜明的2株固氮菌:7号菌菌落湿润、边缘光滑、个体较大,橘黄色;12号菌菌落边缘光滑、个体较小,乳白色。耐酚酸试验结果显示,在125、250 mg/L对羟基苯甲酸浓度下,7号菌液的D600 nm分别是对照组的2.78、1.93倍,12号菌液的D600 nm分别是对照组的3.66、4.66倍,因此,2株固氮菌能有效耐受一定浓度的对羟基苯甲酸。生理生化分析结果显示,2株菌均具备水解淀粉、分解丙酮酸和产生吲哚的能力。16S rRNA测序及遗传进化分析结果显示,7号菌、12号菌分别与芽孢杆菌属的短小芽孢杆菌(Bacillus pumilus)、假单胞菌属的地中海假单胞菌(Pseudomonas mediterranea)聚到一起,相似度均高于99%。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-10-31
基金项目:国家自然科学基金(编号:21277041、21477035);河南省高等学校重点科研项目(编号:15A180016)。
作者简介:王瑞飞(1983—),男,河南汝州人,博士,讲师,主要从事农业资源与微生物学研究。E-mail:wswrf@163.com。
通信作者:杨清香,博士,教授,主要从事资源与环境微生物学研究。E-mail:yangqx66@163.com。
更新日期/Last Update: 2017-05-20