Detection of the sigB gene in Bacillus cereus ATCC 14579 leads to hydrogen peroxide hyperresistance

Article Abstract:

The sigB of Bacillus cereus ATCC 14579 encodes the alternative sigma factor and deletion of sigB in Bacillus cereus leads to hyperresistance to hydrogen peroxide. The expression of katA that encodes one of the catalases of Bacillus cereus is upregulated in the sigB deletion mutant and might contribute to the hydrogen peroxide-resistance phenotype.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Hydrogen Peroxide, Genetic aspects, Gene expression

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Growth and sporulation of Bacillus cereus ATCC 14579 under defined conditions: temporal expression of genes for key sigma factors

Article Abstract:

The conditions for growth and sporulation of Bacillus cereus ATCC 14579, which has been characterized at genome level, in a chemically defined medium with an airlift fermentor system are described. The growth and sporulation can be monitored and manipulated so that a synchronous growth and sporulation occurs.

Genomes

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Characterization of germination receptors of Bacillus cerus ATCC 14579

Article Abstract:

A study was conducted on the capability of initiating the germination of endospores of Bacillus cereus ATCC 14579 after a survey on 20 different amino acids. It was seen that germination was triggered by the combination of the L-phenylalanine and inosine molecules.

Physiological aspects, Germination, Genetic transcription, Transcription (Genetics)

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