Phytate addition to soil induces changes in the abundance and expression of Bacillus ß-propeller phytase genes in the rhizosphere
作者： Milko A. Jorquera , Nicolás Saavedra , Fumito Maruyama , Alan E. Richardson , David E. Crowley
DOI: 10.1111/J.1574-6941.2012.01480.X
关键词:
摘要: Phytate-mineralizing rhizobacteria (PMR) perform an essential function for the mineralization of organic phosphorus but little is known about their ecology in soils and rhizosphere. In this study, PCR-based methods were developed detection quantification Bacillus β-propeller phytase (BPP) gene. Experiments conducted to monitor presence persistence a phytate-mineralizing strain, sp. MQH19, after inoculation soil microcosms within The occurrence BPP gene natural pasture from Chilean Andisols was also examined. results showed that readily detected sterile nonsterile microcosms, quantitative PCR (qPCR) could be used changes abundance over time. Our show addition phytate induced expression rhizosphere ryegrass all sampled. This study shows genes demonstrates cosmopolitan Andisols.
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