Ultraviolet light-induced mutation in UV-resistant, thermosensitive derivatives of lexA − strains of Escherichia coli K-12

1975 ◽  
Vol 136 (2) ◽  
pp. 95-106 ◽  
Author(s):  
David W. Mount ◽  
Candace Kosel
Keyword(s):  
Escherichia Coli ◽  
Ultraviolet Light ◽  
Induced Mutation ◽  
K 12 ◽  
Derivatives Of

Effect of ozone on prophage induction in different strains of Escherichia coli K-12 lysogenic for lambda

1984 ◽  
Vol 26 (6) ◽  
pp. 706-709 ◽  
Author(s):  
Pierre L'Hérault ◽  
Young Sup Chung
Keyword(s):  
Escherichia Coli ◽  
Ultraviolet Light ◽  
Lytic Cycle ◽  
Prophage Induction ◽  
E Coli ◽  
Different Strains ◽  
K 12 ◽  
Lambda Prophage

Ozone was tested for its effect upon induction of lambda prophage in two different strains of Escherichia coli K-12. Based on the induction index and when compared to ultraviolet light, ozone appeared to be a weak, if any at all, inducer of the lytic cycle in E. coli. This is in agreement with other studies which have suggested that this agent is a weak inducer of the SOS functions.Key words: SOS functions, ultraviolet light, mutagen, ozone.

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