PMID:1870971
| Citation |
Gille, H, Egan, JB, Roth, A and Messer, W (1991) The FIS protein binds and bends the origin of chromosomal DNA replication, oriC, of Escherichia coli. Nucleic Acids Res. 19:4167-72 |
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| Abstract |
The FIS protein (factor for inversion stimulation) is known to stimulate site-specific recombination processes, such as the inversion of the G segment of bacteriophage Mu, by binding to specific enhancer sequences. It has also been shown to activate transcription from rRNA promoters both in vitro and in vivo. We have identified a specific binding site for FIS in the center of the origin of chromosomal DNA replication, oriC. The DNA bends upon FIS binding. Occupation of the FIS site and binding of DnaA, the initiator protein, to its adjacent binding site (R3) are mutually exclusive. A fis mutant strain can not be efficiently transformed with plasmids which carry and replicate from oriC, suggesting that FIS is required for minichromosome replication. |
| Links | |
| Keywords |
Bacterial Proteins/metabolism; Base Sequence; Carrier Proteins/metabolism; Chromosomes, Bacterial/metabolism; Consensus Sequence/genetics; DNA Replication; DNA, Bacterial/chemistry; DNA, Bacterial/metabolism; DNA-Binding Proteins/metabolism; Escherichia coli/genetics; Escherichia coli Proteins; Factor For Inversion Stimulation Protein; Integration Host Factors; Molecular Sequence Data; Nucleic Acid Conformation; Plasmids/physiology; Recombination, Genetic/physiology; Transformation, Genetic/physiology |
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