Isolation of ACC Deaminase-containing Plant Growth-promoting Rhizobacteria from Porrum Rhizasphere Soil

被引：0
|
作者：
Guo, Changhong [1 ]
Shi, Xuhan [1 ]
Liu, Jiali [1 ]
机构：
[1] Harbin Normal Univ Heilongjiang Prov, Coll Life Sci & Technol, Key Lab Mol Cytogenet & Genet Breeding Heilongjia, Harbin, Peoples R China
来源：
PROGRESS IN ENVIRONMENTAL SCIENCE AND ENGINEERING (ICEESD2011), PTS 1-5 | 2012年 / 356-360卷
关键词：
Plant growth-promoting rhizobacteria (PGPR); Pseudomonas fluorescens; Porrum; ACC deaminase; BIOLOGICAL-CONTROL; BACTERIA; YIELD;
D O I：
10.4028/www.scientific.net/AMR.356-360.240
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A bacterial strain 3-1 which could use ACC as the sole nitrogen sources was isolated from Chinese chives rhizosphere soil. The strain was identified as Pseudomonas fluorescent, according to the results of morphology, physiology and the phylogenetical analyses of 16S rDNA sequence. The ACC deaminase activity of Pseudomonas fluorescent 3-1 strain had high level of ACC deaminase activity, 2.63 +/- 0.12 mu mol alpha-KA . (mg Pr .h)-1. The procedure described here was relatively straight forward to isolate and characterize new PGPR strains. This bacterium may be used to facilitate the growth of Porrum.
引用
收藏
页码：240 / 243
页数：4
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