## Abstract The SOS system in __Escherichia coli__ is induced in response to DNA damage and the arrest of DNA synthesis. Here we show that in AB1157 bacteria starved for arginine, conditions for induction of adaptive mutations, the LexAβdependent SOS system is induced, but that this occurs only whe
Role of Escherichia coli RecBC enzyme in SOS induction
β Scribed by Chaudhury, Abdul M. ;Smith, Gerald R.
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 434 KB
- Volume
- 201
- Category
- Article
- ISSN
- 0026-8925
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Chi sites are examples of special sites enhancing homologous recombination in their region of the chromosome. Chi, SG-C-T-G-G-T-G-GY, is a recognition site for the RecBC enzyme, which nicks DNA near Chi as it unwinds DNA. A molecular model ofgenetic recombination incorporating these features is revi
When Escherichia coli is subjected to treatments that damage DNA or perturb DNA replication considerable cell filamentation occurs. It has been postulated that this phenomenon is associated with the presence of a division inhibitor induced coordinately with the SOS functions. The role of this induct