Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1998-5-15
pubmed:databankReference
pubmed:abstractText
In order to study DNA replication control elements in cyanobacteria we cloned and sequenced the dnaA gene from the marine cyanobacterium Prochlorococcus marinus. The dnaA gene is ubiquitous among bacteria and encodes the DNA replication initiation factor DnaA. The deduced amino acid sequence of the P. marinus DnaA protein shows highest similarity to the DnaA protein from the freshwater cyanobacterium Synechocystis sp. PCC6803. Using a solid-phase DNA binding assay we demonstrated that both cyanobacterial DnaA proteins specifically recognize chromosomal origins, oriC, of Escherichia coli and Bacillus subtilis in vitro. The genetic environment of dnaA is not conserved between the two cyanobacteria. Upstream of the P. marinus dnaA gene we identified a gene encoding a putative ATP-binding cassette (ABC) transport protein. The gor gene encoding glutathione reductase lies downstream of dnaA. Comparison of the genetic structure of dnaA regions from 15 representative bacteria shows that the pattern of genes flanking dnaA is not universally conserved among them.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0026-8925
pubmed:author
pubmed:issnType
Print
pubmed:volume
257
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
534-41
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
Unique organization of the dnaA region from Prochlorococcus marinus CCMP1375, a marine cyanobacterium.
pubmed:affiliation
Max-Planck-Institut für molekulare Genetik, Berlin, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't