Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23

The presence of the Φ105cts23 mutant prophage in Bacillus subtilis induces a series of pleiotropic effects that could be ascribed to an anti-SOS activity. In order to circumvent the phage function responsible for this phenomenon, the cts23 mutant repressor was cloned and sequenced. The isolated repr...

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Autores principales: Rubinstein, C.P., Guerchicoff, A., Sanchez-Rivas, C.
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_03781097_v167_n2_p315_Rubinstein
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spelling todo:paper_03781097_v167_n2_p315_Rubinstein2023-10-03T15:31:39Z Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23 Rubinstein, C.P. Guerchicoff, A. Sanchez-Rivas, C. Bacillus subtilis Bacteriophage φ105 Repair SOS induction Thermosensitive repressor article bacillus subtilis bacteriophage dna repair heat sensitivity mutant nonhuman priority journal Artificial Gene Fusion Bacillus Phages Bacillus subtilis beta-Galactosidase DNA Damage DNA Repair Gene Expression Regulation, Bacterial Genes, Viral Mutation Plasmids Repressor Proteins SOS Response (Genetics) Temperature Viral Proteins Bacillus subtilis The presence of the Φ105cts23 mutant prophage in Bacillus subtilis induces a series of pleiotropic effects that could be ascribed to an anti-SOS activity. In order to circumvent the phage function responsible for this phenomenon, the cts23 mutant repressor was cloned and sequenced. The isolated repressor reduced the survival capacity of the host cells after mitomycin C or nalidixic acid treatments and lowered the spontaneous reversion frequency. When SOS induction kinetics were studied, low or null induction of the damage-inducible din22::LacZ fusion was observed. In contrast, the presence of the wild-type prophage amplified the SOS response. Sequencing of the mutant repressor revealed that the cts23 mutation is a T→C transition affecting the 5' closest codon to one of the two reported DNA binding domains. Copyright (C) 1998 Federation of European Microbiological Societies. Fil:Rubinstein, C.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03781097_v167_n2_p315_Rubinstein
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Bacillus subtilis
Bacteriophage φ105
Repair
SOS induction
Thermosensitive repressor
article
bacillus subtilis
bacteriophage
dna repair
heat sensitivity
mutant
nonhuman
priority journal
Artificial Gene Fusion
Bacillus Phages
Bacillus subtilis
beta-Galactosidase
DNA Damage
DNA Repair
Gene Expression Regulation, Bacterial
Genes, Viral
Mutation
Plasmids
Repressor Proteins
SOS Response (Genetics)
Temperature
Viral Proteins
Bacillus subtilis
spellingShingle Bacillus subtilis
Bacteriophage φ105
Repair
SOS induction
Thermosensitive repressor
article
bacillus subtilis
bacteriophage
dna repair
heat sensitivity
mutant
nonhuman
priority journal
Artificial Gene Fusion
Bacillus Phages
Bacillus subtilis
beta-Galactosidase
DNA Damage
DNA Repair
Gene Expression Regulation, Bacterial
Genes, Viral
Mutation
Plasmids
Repressor Proteins
SOS Response (Genetics)
Temperature
Viral Proteins
Bacillus subtilis
Rubinstein, C.P.
Guerchicoff, A.
Sanchez-Rivas, C.
Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
topic_facet Bacillus subtilis
Bacteriophage φ105
Repair
SOS induction
Thermosensitive repressor
article
bacillus subtilis
bacteriophage
dna repair
heat sensitivity
mutant
nonhuman
priority journal
Artificial Gene Fusion
Bacillus Phages
Bacillus subtilis
beta-Galactosidase
DNA Damage
DNA Repair
Gene Expression Regulation, Bacterial
Genes, Viral
Mutation
Plasmids
Repressor Proteins
SOS Response (Genetics)
Temperature
Viral Proteins
Bacillus subtilis
description The presence of the Φ105cts23 mutant prophage in Bacillus subtilis induces a series of pleiotropic effects that could be ascribed to an anti-SOS activity. In order to circumvent the phage function responsible for this phenomenon, the cts23 mutant repressor was cloned and sequenced. The isolated repressor reduced the survival capacity of the host cells after mitomycin C or nalidixic acid treatments and lowered the spontaneous reversion frequency. When SOS induction kinetics were studied, low or null induction of the damage-inducible din22::LacZ fusion was observed. In contrast, the presence of the wild-type prophage amplified the SOS response. Sequencing of the mutant repressor revealed that the cts23 mutation is a T→C transition affecting the 5' closest codon to one of the two reported DNA binding domains. Copyright (C) 1998 Federation of European Microbiological Societies.
format JOUR
author Rubinstein, C.P.
Guerchicoff, A.
Sanchez-Rivas, C.
author_facet Rubinstein, C.P.
Guerchicoff, A.
Sanchez-Rivas, C.
author_sort Rubinstein, C.P.
title Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
title_short Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
title_full Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
title_fullStr Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
title_full_unstemmed Normal induction of the SOS response in Bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
title_sort normal induction of the sos response in bacillus subtilis is prevented by the mutant repressor from phage φ105cts23
url http://hdl.handle.net/20.500.12110/paper_03781097_v167_n2_p315_Rubinstein
work_keys_str_mv AT rubinsteincp normalinductionofthesosresponseinbacillussubtilisispreventedbythemutantrepressorfromphageph105cts23
AT guerchicoffa normalinductionofthesosresponseinbacillussubtilisispreventedbythemutantrepressorfromphageph105cts23
AT sanchezrivasc normalinductionofthesosresponseinbacillussubtilisispreventedbythemutantrepressorfromphageph105cts23
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