Requirement for Riboflavin for Effective Symbiosis on Clover by an Auxotrophic Mutant Strain of Rhizobium Trifolii
Open Access
- 1 January 1970
- journal article
- Published by CSIRO Publishing in Australian Journal of Biological Sciences
- Vol. 23 (5) , 1187
- https://doi.org/10.1071/bi9701187
Abstract
A symbiotically ineffective auxotroph, Tl/D-hisr -15, derived from an effective strain (Tl) of R. trifolii, had a specific requirement for riboflavin in culture and produced an effective response on Trifolium pratense (red clover) only when riboflavin was added to the plant growth medium at c. 6 p.g/ml. Addition of flavin mononucleotide to the plant medium produced a similar response but the requirement in symbiosis was only partly satisfied by flavin adenine dinucleotide.Keywords
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