Biotransformation of the Pentahydroxy Flavone Quercetin by Rhizobium loti and Bradyrhizobium Strains (Lotus).
Lotus rhizobia catabolized quercetin in an arabinose-based medium via a novel form of C-ring cleavage, yielding phloroglucinol and protocatechuic acid. Conservation of the A and B rings of the flavone suggests that a chalcone could be formed as a transient intermediate.
Rao
J R
JR
Department of Food and Agricultural Microbiology, The Queen's University of Belfast, Newforge Lane, Belfast BT9 5PX, Department of Chemistry, The Queen's University of Belfast, Belfast BT7 INN, and Department of Agriculture for Northern Ireland, Belfast BT9 5PX, Northern Ireland, United Kingdom.
Sharma
N D
ND
Hamilton
J T
JT
Boyd
D R
DR
Cooper
J E
JE