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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1991-8-26
pubmed:abstractText
A series of atp::lacZ fusions has been constructed for use in a study of translational coupling in the central region of the Escherichia coli atp operon. Five genes, atpE, atpF, atpH, atpA and atpG, were shown to be translationally coupled to various degrees of tightness. A new lac promoter vector, compatible with the atp::lacZ fusion vectors, was used to express individual atp genes in the same hosts as the fusion genes. The H(+)-ATPase subunits thus synthesized exercised no significant trans-regulation on the expression of the atp::lacZ fusions, indicating that the coupling is primarily cis. The mechanism of this coupling was investigated using in vitro mutagenesis. At least in the case of the pair atpHA, coupling seems to involve facilitated binding of fresh ribosomes to the atpA translational initiation regions.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0950-382X
pubmed:author
pubmed:issnType
Print
pubmed:volume
5
pubmed:geneSymbol
atpA, atpH
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
813-24
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1991
pubmed:articleTitle
Translational coupling varying in efficiency between different pairs of genes in the central region of the atp operon of Escherichia coli.
pubmed:affiliation
Department of Microbiology, GBF-Gesellschaft für Biotechnologische Forschung, Braunschweig, Germany.
pubmed:publicationType
Journal Article