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Appl Environ Microbiol. 1985 April; 49(4): 904-907

Mechanism of action of aflatoxin B1 in Bacillus megaterium.

R P Tiwari, C K Dham, T C Bhalla, S S Saini and D V Vadehra

ABSTRACT

Bacillus megaterium cells from various growth phases were equally susceptible to the lethal effects of aflatoxin B1. Known surfactants (EDTA and Tween-80) accentuated the effects of aflatoxin B1. Viability and inulin uptake in aflatoxin B1-exposed cells decreased considerably. The effect was concentration dependent. A straight-line relationship observed in the death curve indicated a single target for aflatoxin B1 action in B. megaterium. Leakage of intracellular constituents in B. megaterium was also concentration dependent, and this can be related to the extent of cell membrane damage.

Appl Environ Microbiol. 1985 April; 49(4): 904-907






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