Oxylipin formation in fungi: biotransformation of arachidonic acid to 3-hydroxy-5,8-tetradecadienoic acid by Mucor genevensis.

Abstract:

:The soil fungus Mucor genevensis was shown to convert exogenous arachidonic acid to the oxylipin 3-hydroxy-5Z,8Z-tetradecadienoic acid (3-HTDE) as determined by gas chromatography/mass spectrometry. This metabolite was only found in the aqueous supernatant together with free linoleic acid, but not in the final fungal biomass. In contrast, the corresponding primary arachidonic acid metabolite (3R)-hydroxy-(5Z,8Z,11Z,14Z)-eicosatetraenoic acid (3-HETE), which has been earlier shown to be produced by the yeast Dipodascopsis uninucleata, could not be detected. These observations may be plausibly explained by a retroconversion by M. genevensis of arachidonic acid to linoleic acid before the latter is metabolised to 3-HTDE.

authors

Pohl CH,Botha A,Kock JL,Coetzee DJ,Botes PJ,Schewe T,Nigam S

doi

10.1006/bbrc.1998.9853

subject

Has Abstract

pub_date

1998-12-30 00:00:00

pages

703-6

issue

3

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(98)99853-9

journal_volume

253

pub_type

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