Mutagenicity of Potentially Carcinogenic Mycotoxins Produced ByFusarium Moniliforme

Overview

Journal Mycotoxin Res

Specialty Microbiology

Date 2013 Apr 23

PMID 23605649

Citations 5

Authors

W C Gelderblom

S D Snyman

Affiliations

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Abstract

The mutagenic behaviour of two potentially carcinogenic mycotoxins produced byFusarium moniliforme was investigated in theSalmonella mutagenicity test using tester strains TA97a, TA98, TA100, and TA102. The mutagenic response obtained with fusarin C (1, 5, and 10μg/plate) against tester strains TA98 and TA100 in the presence of microsomal activation confirmed previous observations on the mutagenic behaviour of this mutagen while that obtained against TA97a is reported for the first time. No dose-response relationship could be detected for the concentration levels (0.2, 0.5, 1, 5, 10 mg/plate) tested for FB1, FB2, and FB3 against any of the tester strains used in either the plate incorporation and / or the pre-incubation tests. A cytotoxic effect was obtained at concentration levels of 5 and 10mg/plate in the absence of the microsomal activation mixture. From the studies it became evident thatF moniliforme produces two compounds, a mutagenic compound, fusarin C which has been shown to lack carcinogenic activity in rats and the non-mutagenic fumonisin B mycotoxins of which FB1 is known to be responsible for the hepatocarcinogenicity of the fungus in rats.

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