Back Mutation

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/bæk mjuˈteɪʃən/

Study on Sensitivity to Carbendazol and Back Mutation(BM) Verification to Pathogenicity Defect Mutants of Fusarium Graminearum; Screening and Breeding of High-yield Transglutaminase ( TGase ) - producing Streptomyces hygroscopicus Strain Resistant to 2-deoxy-D-Glucose Repression
The result showed that the resistant clones were not originated from back mutation of sensitive cell of Ustilago maydis.
Results : The mutagenesis rates of murine typhoid salmonella in the experimental groups of all dosage levers were less then 2, and nHAC would not cause the increase of the back mutation in murine typhoid salmonella.
Results of Ames test showed that number of colony with back mutation ( revertants ) in varied strains of Salmonella typhimurium at different doses did not exceed the double of the number of those with spontaneous mutation.
The experiments of cross and back cross showed that these mutations were belonged to recessive mutation of nucleus gene and controlled by a recessive monogene.

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