Abstract
Degenerate PCR primers based on conserved RecA protein regions were used to amplify a portion of recE from Prevotella ruminicola strain 23, which was used as a probe to isolate the full-length recA gene from the P. ruminicola genomic library. The P. ruminicola recA gene encoded a protein of 340 amino acids with a molecular mass of 36.81 kDa. P. ruminicola RecA was highly similar to other RecA proteins and most closely resembled that of Bacteroides fragilis (75% identity). It alleviated the methyl methanesulfonate and mitomycin C sensitivities of Escherichia coil recA mutants, but did not restore the resistance to UV-light irradiation. Mitomycin C treatment of otherwise isogenic E. coli strains showed a higher level of prophage induction in a recA harboring lysogen.
| Original language | English |
|---|---|
| Journal | F E M S Microbiology Letters |
| Volume | 144 |
| Issue number | 1 |
| Pages (from-to) | 53-59 |
| Number of pages | 7 |
| ISSN | 0378-1097 |
| DOIs | |
| Publication status | Published - 1996 |
| Externally published | Yes |
Keywords
- Amino Acid Sequence
- Cloning, Molecular
- Escherichia coli
- Genes, Bacterial
- Genetic Complementation Test
- Methyl Methanesulfonate
- Mitomycin
- Molecular Sequence Data
- Mutagens
- Prevotella
- Rec A Recombinases
- Sequence Analysis, DNA
- Sequence Homology, Amino Acid
- Ultraviolet Rays
- 50SG953SK6 Mitomycin
- AT5C31J09G Methyl Methanesulfonate
- EC 2.7.7.- Rec A Recombinases
- article
- controlled study
- dna sequence
- escherichia coli
- genetic analysis
- genetic complementation
- molecular cloning
- nonhuman
- polymerase chain reaction
- prevotella
- priority journal
- prophage
- Bacteroides fragilis
- Prevotella ruminicola
- Prevotella ruminicola 23
- complementation
- RecA
- MICROBIOLOGY
- RECOMBINATION
- BACTERIA
- PROTEIN
- Complementation
- CLONING
- COMPLEMENTATION ANALYSIS
- METHYL METHANE SULFONATE
- MITOMYCIN C
- MOLECULAR GENETICS
- PROPHAGE INDUCTION
- RECA GENE
- RECA PROTEIN
- SENSITIVITY
- SEQUENCING
- STRAIN-23
- Anaerobic Gram-Negative Rods Eubacteria Bacteria Microorganisms (Bacteria, Eubacteria, Microorganisms) - Bacteroidaceae [06901] Prevotella ruminicola
- Facultatively Anaerobic Gram-Negative Rods Eubacteria Bacteria Microorganisms (Bacteria, Eubacteria, Microorganisms) - Enterobacteriaceae [06702] Escherichia coli
- METHYL METHANE SULFONATE 66-27-3
- MITOMYCIN C 50-07-7
- 10064, Biochemistry studies - Proteins, peptides and amino acids
- 10300, Replication, transcription, translation
- 10506, Biophysics - Molecular properties and macromolecules
- 13012, Metabolism - Proteins, peptides and amino acids
- 13014, Metabolism - Nucleic acids, purines and pyrimidines
- 31000, Physiology and biochemistry of bacteria
- 31500, Genetics of bacteria and viruses
- 33504, Virology - Bacteriophage
- Biochemistry and Molecular Biophysics
- Genetics
- Metabolism
- Microbiology
- Molecular Genetics
- Physiology
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