RHIZOSPHERE INTERACTIONS AND SIDEROPHORES

被引:33
作者
BUYER, JS
SIKORA, LJ
机构
[1] Soil Microbial Systems Laboratory, Natural Resources Institute, USDA-ARS, Beltsville, 20705, MD
关键词
BIOCONTROL; GAEUMANNOMYCES; IRON; MONOCLONAL ANTIBODIES; PSEUDOMONAS; SIDEROPHORES;
D O I
10.1007/BF00011696
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Certain plant growth-promoting pseudomonads inhibit deleterious and pathogenic rhizosphere bacteria and fungi by producing siderophores. Properties of a siderophore transport system which might provide a competitive advantage under iron stress conditions include ability to utilize other organisms' siderophores, higher Fe(III) stability constant, faster kinetics of dissolution of Fe(III) minerals, more efficient transport system, and resistance to degradation. In order to determine the concentration and localization of siderophores in the rhizosphere monoclonal antibodies (Mabs) to ferric pseudobactin, the siderophore of Pseudomonas putida B10, have been developed. Several Mabs cross reacted differently with various pseudobactins. A growth medium has been developed for the study for siderophore-mediated rhizosphere interactions in the laboratory.
引用
收藏
页码:101 / 107
页数:7
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