05.02.2013 Views

plant surface microbiology.pdf

plant surface microbiology.pdf

plant surface microbiology.pdf

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

104<br />

Dietrich Werner<br />

2.2 Metabolization of Flavonoids and Isoflavonoids<br />

A degradation pathway for luteolin by Sinorhizobium meliloti and for<br />

daidzein by Bradyrhizobium japonicum is shown in Fig. 3. Identified metabolites<br />

from luteolin were caffeic acid, phoroglucinol, protocatechuic acid and<br />

phenylacetic acid. Daidzein, p-coumaric acid, p-hydroxybenzoic acid, phenylacetic<br />

acid and resorcinol were major metabolites. Umbeliferone has also<br />

been found to be produced from coumestrol (Cooper et al. 1995).<br />

Fig. 3. Proposed degradation pathway for luteolin by Sinorhizobium meliloti and for<br />

daidzein by Bradyrhizobium japonicum (Cooper et al. 1995)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!