Rhizobitoxine production by Bradyrhizobium elkanii enhances nodulation and competitiveness on Macroptilium atropurpureum

Article Abstract:

Research has been conducted on the ethylene precursor application. Results indicate that this application has decreased Macroptilium atropurpureum nodulation by Bradyrhizobium elkanii.

Japan, Statistical Data Included, Analysis, Bacteria, Acids, Microbiological research, Ethylene

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DNA sequence and mutational analysis of rhizobitoxine biosynthesis genes in Bradyrhizobium elkanii

Article Abstract:

The genes involved in the biosynthesis of rhizobitoxine in Bradyrhizobium elkanii have been cloned and sequenced. Rhizobitoxine is considered a plant toxin but it also enhances nodulation and competitiveness in some legumes.

Nitrogen-fixing microorganisms

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New assay for Rhizobitoxine based on inhibition of 1-aminocyclopropane-1-carboxylate synthase

Article Abstract:

Research was conducted to determine whether rhizobitoxine is a potent inhibitor of 1-Aminocyclopropane-1-carboxylase (ACC) synthase. A further objective would be to establish a novel approach for assaying rhizobitoxine by inhibition of the enzyme. The rhizobitoxine level in a stationary-phase culture of Bradyrhizobium elkanii USAD94 growth in Tris-YMRT medium was determined, indicating the utility of the ACC synthase assay for rhizobitoxine. A new assay for rhizobitoxine was developed based on the inhibition of ACC synthase.

Microbiological assay

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