Molecular features of the 4139-bp plasmid pER13 found in the dairy fermentation bacterium Streptococcus thermophilus ST113 include five open reading frames (ORFs). ORF1, ORF2 and ORF3 encode proteins for transcriptional repression (CopG), replication (RepB) and mobilization (Mob) that share homology with corresponding proteins of the pMV158 plasmid family, while ORF4 and ORF5 encode putative proteins with unspecified functions. Sequence homologies shared with plasmids found in group B and group D streptococci imply the possibility for genetic exchange with the food-grade S. thermophilus. The structural features of pER13 may be useful in designing strategies for gene transfer in lactic fermentation bacteria.
Molecular organization of plasmid pER13 in Streptococcus thermophilus. Publishing Authors By Initials
Molecular organization of plasmid pER13 in Streptococcus thermophilus. Journal Published:
PUBLICATION TYPE: Journal Article
Journal: Biotechnology letters
VOLUME: 29
Page Numbers: 1991-9
Journal Abbreviation: Biotechnol. Lett.
ISSN: 0141-5492
DAY: 12
MONTH: 10
YEAR: 2007
Molecular organization of plasmid pER13 in Streptococcus thermophilus. Information
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LANGUAGE: eng
NlmUniqueID: 8008051
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AFFILIATION: U.S. Department of Agriculture, Eastern Regional Research Center, Agricultural Research Service, 600 East Mermaid Lane, Wyndmoor, PA, 19038, USA, gsomkuti@errc.ars.usda.gov.
Country: Netherlands
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MEDLINETA: Biotechnol Lett
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