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2-Aminopurine and 5-bromouracil induce alleviation of type I restriction in Escherichia coli: mismatches function as inducing signals?

EFIMOVA, E. P ; DELVER, E. P ; BELOGUROV, A. A

Molecular & general genetics, 1988-10, Vol.214 (2), p.317-320 [Periódico revisado por pares]

Heidelberg: Springer

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Título:
2-Aminopurine and 5-bromouracil induce alleviation of type I restriction in Escherichia coli: mismatches function as inducing signals?
Autor: EFIMOVA, E. P ; DELVER, E. P ; BELOGUROV, A. A
Assuntos: 2-Aminopurine - pharmacology ; Adenine - analogs & derivatives ; Bacteriology ; Bacteriophage lambda - genetics ; Biological and medical sciences ; Bromouracil - pharmacology ; Deoxyribonucleases, Type I Site-Specific - genetics ; Deoxyribonucleases, Type I Site-Specific - metabolism ; Escherichia coli ; Escherichia coli - drug effects ; Escherichia coli - enzymology ; Escherichia coli - genetics ; Fundamental and applied biological sciences. Psychology ; Genetics ; Genotype ; Microbiology ; phage lambda ; Phenotype
É parte de: Molecular & general genetics, 1988-10, Vol.214 (2), p.317-320
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: The EcoK restriction of unmodified phage lambda is 1000-fold alleviated in Escherichia coli grown in the presence of base analogs 2-aminopurine (2AP) and 5-bromouracil (5BU). 2AP treatment of bacteria affects specifically the type I restriction systems (EcoA, EcoB, EcoD and EcoK) and does not influence type II (EcoRI) and type III (EcoP1) restriction. 2AP-induced alleviation of restriction occurs in bacteria which are deficient in the SOS response (recA and lexA) and mismatch repair (mutH, mutL and mutS) and can be distinguished from the alleviation of restriction observed in dam- strains. We suggest that mismatches induced by 2AP and 5BU may function as an inducing signal for the alleviation of restriction observed in the presence of base analogs.
Editor: Heidelberg: Springer
Idioma: Inglês

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2-Aminopurine and 5-bromouracil induce alleviation of type I restriction in Escherichia coli: mismatches function as inducing signals?

EFIMOVA, E. P ; DELVER, E. P ; BELOGUROV, A. A

Heidelberg: Springer

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