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Construction of a reporter vector system for in vivo analysis of promoter activity in Propionibacterium freudenreichii.


ABSTRACT: A beta-galactosidase reporter system for the analysis of promoter elements in Propionibacterium freudenreichii was designed. The pTD210 in vivo reporter vector was constructed using a promoterless lacZ gene from Bifidobacterium longum cloned into the pAMT1 plasmid. The utility of the pTD210 reporter vector was demonstrated by an investigation of six predicted promoters in P. freudenreichii. The system produced accurate and reproducible measurements that facilitated both promoter identification and the quantification of promoter activities.

SUBMITTER: Faye T 

PROVIDER: S-EPMC2423041 | biostudies-literature | 2008 Jun

REPOSITORIES: biostudies-literature

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Construction of a reporter vector system for in vivo analysis of promoter activity in Propionibacterium freudenreichii.

Faye Therese T   Asebø Anita A   Salehian Zhian Z   Langsrud Thor T   Nes Ingolf F IF   Brede Dag Anders DA  

Applied and environmental microbiology 20080418 11


A beta-galactosidase reporter system for the analysis of promoter elements in Propionibacterium freudenreichii was designed. The pTD210 in vivo reporter vector was constructed using a promoterless lacZ gene from Bifidobacterium longum cloned into the pAMT1 plasmid. The utility of the pTD210 reporter vector was demonstrated by an investigation of six predicted promoters in P. freudenreichii. The system produced accurate and reproducible measurements that facilitated both promoter identification a  ...[more]

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