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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2008-9-1
pubmed:abstractText
We report the identification and nucleotide sequence analysis of pKW1, a plasmid of the psychrotrophic bacterium Pseudoalteromonas sp. 643A isolated from the stomach of Antarctic krill Euphasia superba. pKW1 consists of 4583 bp, has a G+C content of 43% and seven putative open reading frames (ORFs). The deduced amino acid sequence from ORF-1 shared significant similarity with the plasmid replicase protein of Psychrobacter cryohalolentis, strain K5. The DNA region immediately downstream of the ORF-1 showed some homology with the Rep-binding sequence of the theta-replicating ColE2-type plasmids. The ORF-3 amino acid sequence revealed amino acid sequence homology with the mobilization protein of Psychrobacter sp. PRwf-1 and Moraxella catarrhalis, with identities of 28% and 25%, respectively. The ORF-4 showed 46% amino acid sequence homology with the putative relaxase/mobilization nuclease MobA of Hafnia alvei and 44% homology with the putative mobilization protein A of Pasterulla multocida. The copy number of pKW1 in Pseudoalteromonas sp. 643A was estimated of 15 copies per chromosome.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
1095-9890
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
60
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
154-8
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Molecular characterization of a cryptic plasmid from the psychrotrophic antarctic bacterium Pseudoalteromonas sp. 643A.
pubmed:affiliation
Department of Microbiology, Chemical Faculty, Gda?sk University of Technology, Narutowicza 11/12, 80-952 Gda?sk, Poland.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't