Article
Correspondence of high levels of beta-exotoxin I and the presence of cry1B in Bacillus thuringiensis.
Applied and environmental microbiology - 1 Sept 2002
Espinasse Sylvain, Gohar Michel, Chaufaux Josette, Buisson Christophe, Perchat Stéphane, Sanchis Vincent
Abstract excerpt
Examination of 640 natural isolates of Bacillus thuringiensis showed that the 58 strains (9%) whose supernatants were toxic to Anthonomus grandis (Coleoptera: Curculionidae) produced between 10 and 175 micro g of beta-exotoxin I per ml. We also found that 55 (46%) of a sample of 118 strains whose culture supernatants were not toxic to A. grandis nevertheless produced between 2 and 5 micro g/ml. However, these...
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