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1. How do sigma factors control cellular differentiation in Bacillus?

1. How do sigma factors control cellular differentiation in Bacillus?

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Sigma factors are the factors which recognise the specific sequence present in DNA for transcription. As there are several types of Sigma factors like Sigma factor 32 , Sigma factor 70 . As any stress conditions are present in environment the requirements of cell change and different Sigma factor is used for transcription. This change lead to change in mRNA which ultimately form a different protein. As we know proteins are the main and structural , functional units of cell as these structures change their is always a change in cellular differentiation.

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