Article
[Screening of acrystalliferous mutants from Bacillus thuringiensis and their transformation properties].
Wei sheng wu xue bao = Acta microbiologica Sinica - 1 Feb 2000
Li L, Yang C, Liu Z, Li F, Yu Z
Abstract excerpt
After elevating growth temperature of YBT-1463 and other 8 Bacillus thuringiensis parental strains to 42 degrees C, 9 acrystalliferous(Cry-) mutants were obtained, and then a series of partial plasmid-cured mutants were further obtained from 3 Cry- mutants BMB151, BMB154 and BMB160 by elevating temperature to 44 degrees C. One of which, BMB170, was further treated by elevating temperature to 46 degrees C and...
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