Expression of aflatoxin genes aflO (omtB) and aflQ (ordA) differentiates levels of aflatoxin production by Aspergillus flavus strains from soils of pistachio orchards.

Abstract

The expression of four aflatoxin (AF) biosynthetic pathway genes (aflD, aflO, aflP and aflQ) was evaluated in 24 Aspergillus flavus strains isolated from soils of pistachio orchards, with the aim of rapidly and accurately differentiating toxigenic from non-toxigenic strains. The amounts of AFB1 produced by 20 aflatoxigenic strains varied from 1.25 to 321.56… (More)
DOI: 10.1016/j.resmic.2012.12.008

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