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A Bacteroides conjugative transposon (CTn), CTn12256, which has an estimated size of more than 150kbp appeared to contain most or all of a previously discovered 65kbp CTn, CTnDOT. To determine whether the integrated CTnDOT was still intact and to identify the element into which CTnDOT had integrated, large segments of CTn12256 were cloned and sequenced. Results of this analysis revealed that an intact...
We present the complete genome sequence of the tetracycline resistance plasmid R621a isolated from Salmonella typhimurium, which belongs to the incompatibility group Iγ. In the 93,185bp circular double-stranded R621a genome, 96 complete ORFs are predicted. In addition, one and six different kinds of proteins are produced by translational reinitiation and shufflon multiple inversions, respectively...
Aeromonas hydrophila strain AO1 isolated from an infected fish was found to be resistant to several quinolones. A plasmid isolated from the strain AO1, termed pBRST7.6, was cloned and sequenced and shown to be 7621bp in length with a GC content of 60%. Further analysis confirmed that it contained a gene with 100% identity to qnrS2 genes described in plasmids associated with other Aeromonas species,...
The genome of Butyrivibrio proteoclasticus B316 T contains three large episomes including a 302kb chromid (BPc2) and two large plasmids of 361 (pCY360) and 186kb (pCY186). The two plasmids are largely cryptic and it is therefore difficult to gauge their contributions or importance to the biology of B. proteoclasticus. Here, we provide evidence that at least BPc2 and pCY360 are essential as...
Soil bacteria of the genus Rhizobium possess complex genomes consisting of a chromosome and in addition, often, multiple extrachromosomal replicons, which are usually equipped with repABC genes that control their replication and partition. The replication regions of four plasmids of Rhizobium leguminosarum bv. trifolii TA1 (RtTA1) were identified and characterized. They all contained a complete set...
RNA transcripts from 199-kb incompatibility P-7 plasmid pCAR1 were analyzed using microarrays with evenly tiled probes with a nine-nucleotide offset in six different Pseudomonas host strains. We re-annotated 12 ORFs based on their RNA maps and on the comparisons with other sequenced IncP-7 plasmids. Ninety six of two hundred ORFs were identified on the IncP-7 backbone related to basic functions of...
Complete sequences for two plasmids associated with two strains of “Candidatus Phytoplasma asteris” have been obtained. The plasmid named pPARG1 was found in Rehmannia glutinosa L. associated with phytoplasma classified in the 16Sr I-C subgroup. Plasmid pPABN1 was from phytoplasma associated with infected winter oilseed rape and classified in the 16Sr I-B subgroup. The plasmids pPARG1 (4371 nt) and...
In order to obtain a full-length expression plasmid for human PDLIM2 gene, fragment amplification was used to clone its full-length coding sequence (CDS) region. The amplified PCR product was then digested and inserted into the pMD 18-T vector and subcloned into the pIRES2-EGFP plasmid to form the pIRES2-EGFP-PDLIM2 eukaryotic expression vector. After it was transfected to the bladder cancer cell...
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