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Comparative Study
. 1990 Oct;56(10):2989-93.
doi: 10.1128/aem.56.10.2989-2993.1990.

Fusarochromanone production by Fusarium isolates

W D Wu  1 , P E Nelson, M E Cook, E B Smalley
Affiliations
Comparative Study

Fusarochromanone production by Fusarium isolates

W D Wu et al. Appl Environ Microbiol. 1990 Oct.

Abstract

Sixty two Fusarium isolates representing nine species from many parts of the world were screened for fusarochromanone production. A simplified method for the detection of fusarochromanone in culture filtrates or grain cultures was used. Under UV irradiation (364 nm) the chloroform phase from fusarochromanone-positive culture extracts fluoresced a characteristic bright blue color. Results were confirmed by thin-layer-chromatography comparison with pure fusarochromanone standards. Detection was possible in cultures as young as 1 week old. Biosynthesis of fusarochromanone was rare in Fusarium spp. and was only detected in three isolates of Fusarium equiseti, namely R-4482 (barley [Federal Republic of Germany]), R-6137 (barley [Alaska]), and R-8508 (potato [Denmark]), among all the isolates tested from various geographic sources.

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