Endophytic Expression of nif Genes of Azoarcus sp. Strain BH72 in Rice Roots
Authors:
- Tanja EgenerTETanja Egener
- Thomas HurekTHThomas Hurek
- Barbara Reinhold-HurekBRBarbara Reinhold-Hurek
Open Access
- 1 September 1999
- journal article
- research article
- Published by Scientific Societies in Molecular Plant-Microbe Interactions®
- Vol. 12 (9) , 813-819
Abstract
Transcriptional fusions of gusA and gfp to the nifH gene as well as immunogold labeling with antibodies against the iron protein of nitrogenase revealed high nitrogenase gene expression levels of the endophyte Azoarcus sp. strain BH72 inside infected rice roots (Oryza sativa) in the laboratory. Thus, environmental conditions inside rice roots are permissive for endophytic nitrogen fixation in bacterial microcolonies in the aerenchyma.Keywords
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