Entry exclusion and oriT of a conjugative system encoded by the cryptic plasmid p29930 of Yersinia enterocolitica.

abstract：:We report herein the isolation and molecular characterization of pBGR1, the first native plasmid isolated from the genus Bartonella. Cloning and sequencing revealed a 2725-base pair (bp) cryptic plasmid comprising two open reading frames of considerable length, which were designated rep and mob. The regions containing...

journal_title：Plasmid

authors： Seubert A,Falch C,Birtles RJ,Schulein R,Dehio C

更新日期：2003-01-01 00:00:00

abstract：:The stable maintenance of certain plasmids in bacterial populations has contributed significantly to the current worldwide antibiotic resistance (AbR) emergency. IncX plasmids, long underestimated in this regard, have achieved recent notoriety for their roles in transmission of resistance to carbapenem and colistin, t...

journal_title：Plasmid

authors： Bustamante P,Iredell JR

更新日期：2017-05-01 00:00:00

abstract：:pSM19035 is a low-copy-number theta-replicating plasmid, which belongs to the Inc18 family. Plasmids of this family, which show a modular organization, are functional in evolutionarily diverse bacterial species of the Firmicutes Phylum. This review summarizes our understanding, accumulated during the last 20 years, on...

journal_title：Plasmid

authors： Lioy VS,Pratto F,de la Hoz AB,Ayora S,Alonso JC

更新日期：2010-07-01 00:00:00

abstract：:Nonviral gene delivery has gained a lot of interest as a promising approach for gene therapy. Despite intensive studies and much progress the outcome of nonviral vectors has remained significantly weaker than that of viral vectors. A weak transfection efficiency of nonviral gene transfection is still limiting their in...

journal_title：Plasmid

authors： Soininen P,Hanzlíková M,Paukkunen M,Lecklin A,Männistö PT,Raasmaja A

更新日期：2010-01-01 00:00:00

abstract：:It is now known that conjugative pili are determined by representative plasmids for all incompatibility groups in Escherichia coli K-12. They fall into three basic morphological groups, which are described: thin flexible, thick flexible, and rigid filaments or rods. The main thrust of this study, however, has been the...

journal_title：Plasmid

authors： Bradley DE

更新日期：1980-09-01 00:00:00

abstract：:The replication (rep) regions of small plasmids from three Sinorhizobium meliloti strains were cloned by marker rescue. Two unique replication regions were identified, one of which was common to two different strains. Plasmid pBB83 carried a 7.2 kbp rep region from a 42 kbp plasmid, and pBB84 carried a 4.5 kbp rep reg...

journal_title：Plasmid

authors： Watson RJ,Heys R

更新日期：2006-03-01 00:00:00

abstract：:Coupling sequences are the 6 bp flanking the conjugative transposon Tn916 and are thought to play a role in determining the frequency of conjugative transposition. The affinity of binding of a chimeric protein, which consisted of maltose binding protein fused to the carboxy-terminal DNA binding domain of Tn916 integra...

journal_title：Plasmid

authors： Pethel B,Churchward G

更新日期：2000-03-01 00:00:00

abstract：:Sphingomonas sp. CFO6 (a member of the alpha group of Proteobacteria) was isolated from a Washington soil by enrichment on the insecticide carbofuran as a sole source of carbon and energy. This strain has been shown to harbor five plasmids, at least some of which are required for catabolism of carbofuran. Rearrangemen...

journal_title：Plasmid

authors： Feng X,Ou LT,Ogram A

更新日期：1997-01-01 00:00:00

abstract：:A collection of 111 commensal Escherichia coli isolated from 84 faecal samples from healthy Australian adults were screened using PCR-based replicon typing. Each isolate represented a distinct strain found in a particular faecal sample. Fifty-one isolates were resistant to one or more of 12 antibiotics tested. FII and...

journal_title：Plasmid

authors： Moran RA,Anantham S,Pinyon JL,Hall RM

更新日期：2015-07-01 00:00:00

abstract：:pHH6000 is a composite replicon made by the in vitro ligation of the IncP plasmid RP4 to a fragment of bacteriophage lambda capable of autonomous replication. Derivatives were selected in which it had integrated into the Escherichia coli chromosome by homologous recombination with the resident lambda prophage, and pla...

journal_title：Plasmid

authors： Grinter NJ

更新日期：1984-01-01 00:00:00

abstract：:Here we present evidence that the cryptic 5.6-kb plasmid found in certain strains of Streptococcus mutans is not involved in mutacin production. This evidence comes from demonstrating similarities between a plasmid-less strain T8 and a group II plasmid strain UA96. Both produce what appears to be an identical mutacin ...

journal_title：Plasmid

authors： Caufield PW,Shah G,Hollingshead SK,Parrot M,Lavoie MC

更新日期：1990-09-01 00:00:00

abstract：:We have modified an E. coli-staphylococcal shuttle vector for use in the general cloning and expression of genes from pathogenic staphylococci in Staphylococcus carnosus. As S. carnosus is non-pathogenic, this expression system will facilitate the study of the roles of individual gene products in the disease process. ...

journal_title：Plasmid

authors： Williams RJ,Nair SP,Henderson B,Holland KT,Ward JM

更新日期：2002-05-01 00:00:00

abstract：:Nucleotide sequence analysis of two cryptic plasmids, pRS2 (2544 bp) and pRS3 (3948 bp), from Oenococcus oeni revealed the presence in both of three major open reading frames with significant similarity to other small cryptic plasmids from O. oeni. The results suggest that those plasmids could be separated into two su...

journal_title：Plasmid

authors： Mesas JM,Rodríguez MC,Alegre MT

更新日期：2001-09-01 00:00:00

abstract：:Plasmid pRK404-a smaller derivative of RK2-is a tetracycline-resistant broad-host-range vector that carries a multiple cloning site and the lacZ(alpha) peptide that enables blue/white selection for cloned inserts in Escherichia coli. We present herein the complete and annotated sequence of pRK404 and three related vec...

journal_title：Plasmid

authors： Scott HN,Laible PD,Hanson DK

更新日期：2003-07-01 00:00:00

abstract：:Recently the plasmid RK2 replication initiation protein, TrfA, has been shown to bind to the beta subunit of DNA Polymerase III (DnaN) via a short pentapeptide with the consensus QL[S/D]LF. A second consensus peptide, the hexapeptide QLxLxL, has also been demonstrated to mediate binding to DnaN. Here we describe the r...

journal_title：Plasmid

authors： Dalrymple BP,Kongsuwan K,Wijffels G

更新日期：2007-01-01 00:00:00

abstract：:Little knowledge of DNA replication in cyanobacteria is available. In this study, we report the development and characterization of an in vitro system for studies of replication of the endogenous plasmids from the unicellular cyanobacterium Synechocystis 6803. This system (fraction III) was isolated at high salt conce...

journal_title：Plasmid

authors： Yang X,Daniell H,McFadden B

更新日期：1994-09-01 00:00:00

abstract：:Despite the prevalence of Arthrobacter in the environment little is known about their plasmids, or the capacity of Arthrobacter plasmids to mediate horizontal gene transfer. In this study, we compared eight plasmids from five Arthrobacter strains in order to identify putative core maintenance genes for replication, se...

journal_title：Plasmid

authors： Jerke K,Nakatsu CH,Beasley F,Konopka A

更新日期：2008-03-01 00:00:00

abstract：:The DNA sequence of the resolvase gene, resolution sites, and the region between the transposition functions and the end of the mercury resistance operon of the bacterial transposon, Tn3926, is presented. The sequence of Tn3926 upstream of the resolution sites is homologous to that bordering the 11.2-kb insert of Tn21...

journal_title：Plasmid

authors： Osbourn SE,Turner AK,Grinsted J

更新日期：1995-01-01 00:00:00

abstract：:The genus Bacteroides are gram-negative, obligate anaerobes indigenous to the gastrointestinal tract of humans and animals. The Bacteroides and other members of the Bacteroidetes phylum have diverged from the Proteobacteria. These organisms evolved a unique promoter structure for the initiation of transcription, hence...

journal_title：Plasmid

authors： Parker AC,Jeffrey Smith C

更新日期：2012-09-01 00:00:00

abstract：:Heterologous expression in Escherichia coli is often limited by yield and solubility of the foreign protein in the bacterial cytoplasm. In many cases, overexpression also results in growth inhibition. In order to produce retroviral proteins that are especially difficult to overexpress in E. coli, we designed a set of ...

journal_title：Plasmid

authors： Valverde V,Duplan H,Knibiehler M,Masson JM

更新日期：1994-07-01 00:00:00

abstract：:A procedure for the isolation of closed circular mitochondrial DNA (mtDNA) from cells permeabilized with digitonin is described. Compared to the standard procedure in which cells are broken after osmotic swelling, the digitonin-based procedure is more consistent and results in higher mtDNA yields. ...

journal_title：Plasmid

authors： Howell N,Nalty MS,Appel J

更新日期：1986-07-01 00:00:00

abstract：:Transformation of Escherichia coli with Dictyostelium discoideum genomic DNA containing integrated shuttle vectors in multicopy, tandemly duplicated format resulted in the establishment of the linear plasmid molecules as circular monomeric replicons. The transformation efficiencies were comparable to those obtained wi...

journal_title：Plasmid

authors： Barth C,Wilczynska Z,Pontes L,Fraser DJ,Fisher PR

更新日期：1996-09-01 00:00:00

abstract：:The 4.2-kb cryptic plasmid pVA380-1 has been used as a vector for the cloning of antibiotic resistance genes directly in streptococci, and in the construction of Escherichia coli/Streptococcus shuttle vectors. The results of subcloning experiments located the basic replicon of pVA380-1 within a 2.5-kb region. The nucl...

journal_title：Plasmid

authors： LeBlanc DJ,Lee LN,Abu-Al-Jaibat A

更新日期：1992-09-01 00:00:00

abstract：:We report here the molecular characterization of pFNL10, a 3990-bp cryptic plasmid of Francisella novicida-like F6168. The plasmid was maintained in F. novicida Utah 112 and F. tularensis LVS strains. We sequenced the entire plasmid and found six open reading frames (ORFs)-ORF1, ORF2, ORF3, ORF4, ORF5, and ORFm. ORF3,...

journal_title：Plasmid

authors： Pomerantsev AP,Golovliov IR,Ohara Y,Mokrievich AN,Obuchi M,Norqvist A,Kuoppa K,Pavlov VM

更新日期：2001-11-01 00:00:00

abstract：:Two improved Deinococcus radiodurans-Escherichia coli shuttle vectors have been constructed. pI3 is a 16-kb plasmid that confers chloramphenicol resistance in D. radiodurans (CmR, cat) and ampicillin resistance in E. coli (ApR) and contains a multiple cloning site that does not interrupt sequences necessary for replic...

journal_title：Plasmid

authors： Masters CI,Minton KW

更新日期：1992-11-01 00:00:00

abstract：:The corrected DNA sequence of the tet(K) structural gene, encoding the tetracycline efflux protein from Staphylococcus aureus, is reported. The Tet(K) protein is homologous to related tetracycline efflux proteins throughout the protein, including at the C-terminal end. Hydropathy plotting now clearly indicates that th...

journal_title：Plasmid

authors： Guay GG,Khan SA,Rothstein DM

更新日期：1993-09-01 00:00:00

abstract：:Based on hybridization studies, 21/32 multi-resistant clinical isolates of Acinetobacter baumannii contain class 1 integrons. Amplification products were obtained from 20 of the hybridization-positive strains. A single dfrA7 cassette was identified in 18 of the isolates and an integron with two cassettes (aadB-aadA4) ...

journal_title：Plasmid

authors： Segal H,Thomas R,Gay Elisha B

更新日期：2003-03-01 00:00:00

abstract：:Plasmid pT181 is a small multicopy plasmid from Staphylococcus aureus that belongs to incompatibility group 3 and expresses two distinct types of incompatibility, Inc3A and Inc3B. Inc3A incompatibility is expressed by the primary replication control determinant, copA, which specifies two small transcripts, RNA I and R...

journal_title：Plasmid

authors： Highlander SK,Novick RP

更新日期：1990-01-01 00:00:00

abstract：:We have cloned and characterized an insertion sequence from Leuconostoc mesenteroides subsp. cremoris strain DB1165. This element, designated IS1165, is 1553 bp, has imperfect inverted repeat ends, contains an open reading frame of 1236 bp, and is not related to any previously described insertion sequence. The copy nu...

journal_title：Plasmid

authors： Johansen E,Kibenich A

更新日期：1992-05-01 00:00:00

abstract：:We report the construction of two filamentous fungi Trichoderma reesei expression vectors, pWEF31 and pWEF32. Both vectors possess the hygromycin phosphotransferase B gene expression cassette and the strong promoter and terminator of the cellobiohydrolase 1 gene (cbh1) from T. reesei. The two newly constructed vectors...

journal_title：Plasmid

authors： Lv D,Wang W,Wei D

更新日期：2012-01-01 00:00:00