Physical map and properties of a 90-MDa plasmid of Azospirillum brasilense Sp7.

abstract：:Cloning vectors (pFD1001, pFD1192, pFD1194, and pFD1212) were constructed by extension of the host range of a 7.2-kb Rhizobium meliloti cryptic plasmid (pRM1132f) with the ColE1-based plasmids, pBR322, pACYC177, pACYC 184, pSUP301, or pHC179; mobilization was facilitated by introduction of the oriT region from pRK2, a...

journal_title：Plasmid

authors： Froissard D,Bromfield ES,Whitwill S,Barran LR

更新日期：1995-05-01 00:00:00

abstract：:The nucleotide sequence of two novel plasmids isolated from the extreme thermophilic anaerobic bacterium Anaerocellum thermophilum DSM6725 (A. thermophilum), growing optimally at 70 degrees C, has been determined. pBAS2 was found to be a 3653 bp plasmid with a GC content of 43%, and the sequence revealed 10 open readi...

journal_title：Plasmid

authors： Clausen A,Mikkelsen MJ,Schröder I,Ahring BK

更新日期：2004-09-01 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：: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% iden...

journal_title：Plasmid

authors： Majumdar T,Das B,Bhadra RK,Dam B,Mazumder S

更新日期：2011-07-01 00:00:00

abstract：:We have evaluated the ability of immortalized human fibroblasts to recombine transfected plasmid DNA. A number of cell lines from normal individuals and from patients with DNA damage-processing defects were examined. Two plasmid recombination substrates were derived from pSV2neo and contained nonoverlapping deletions ...

journal_title：Plasmid

authors： Timme TL,Wood CM,Moses RE

更新日期：1989-07-01 00:00:00

abstract：:Bacillus mycoides, a member of the Bacillus cereus group of bacteria, can be easily distinguished from close species because of colony shape, made by filaments of cells, resembling fungal hyphae, curving clock- or counterclockwise depending on the strain. Two plasmids, one from a strain curving to the right (pDx14.2),...

journal_title：Plasmid

authors： Di Franco C,Santini T,Pisaneschi G,Beccari E

更新日期：2005-11-01 00:00:00

abstract：:With the mutagenesis of specific, virulence-associated genes of Legionella pneumophila as the eventual goal, methods for gene transfer to these bacteria were developed. Following the observations of others that conjugative, broad-host-range plasmids could be transferred from Escherichia coli to L. pneumophila at low f...

journal_title：Plasmid

authors： Engleberg NC,Cianciotto N,Smith J,Eisenstein BI

更新日期：1988-07-01 00:00:00

abstract：:Tn4527 was isolated from a Salmonella typhimurium strain obtained in Brazil. Its size is 19.6 kb and it carries resistance to trimethoprim, spectinomycin, and streptomycin, as in the case of Tn7 (14 kb). A restriction analysis of the transposon shows regions of similarity to Tn7 mixed with extra DNA. The 2.6-kb and 2....

journal_title：Plasmid

authors： Dumans AT,Carvalho MF,Coelho A

更新日期：1989-11-01 00:00:00

abstract：:Tn4555 is a 12.1-kb Bacteroides antibiotic resistance transposon representative of a novel class of transmissible genetic elements that can be transferred by resident conjugative tetracycline resistance transposons (Tc(r)-elements) but are not capable of self-transfer. Previously it was shown that Tn4555 transposes by...

journal_title：Plasmid

authors： Tribble GD,Parker AC,Smith CJ

更新日期：1999-07-01 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：: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：:We have constructed a pUC19-based multipurpose ATG vector in Schizosaccharomyces pombe with higher copy number and mitotic stability possible with commonly used vectors. The vector, having an NdeI site in its polylinker to provide ATG site for expression, carries a greatly truncated version of URA3 gene, URA3m, of Sac...

journal_title：Plasmid

authors： Verma HK,Singh J

更新日期：2012-11-01 00:00:00

abstract：:The Tra1 region of RP1 from a derivative with Tn7 inserted into the kanamycin resistance determinant was cloned, using EcoRI, into the multicopy vector plasmid pBR325. For one orientation of the cloned fragment the resultant chimeric plasmid was very frequently lost from the cell, but in the other orientation it was m...

journal_title：Plasmid

authors： Watson J,Schmidt L,Willetts N

更新日期：1980-09-01 00:00:00

abstract：:Unequal crossing-over is involved in genetic duplication and deletion in such diverse genetic systems as Drosophila, bacteria, and animal viruses. It is proposed to be involved in the form of unequal sister chromatid exchange in gene amplification in cultured animal cells and during carcinogenesis. Studies of the proc...

journal_title：Plasmid

authors： Clevenger W,Reeves R,Pall ML

更新日期：1985-05-01 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：:The structure of several T-DNAs of Agrobacterium tumefaciens was determined by molecular cloning and Southern hybridization. The T-DNAs cloned in Escherichia coli vectors from four different nopaline type strains (PyTE1, PO31, PO22, and AKE10) showed various sizes of restriction enzyme fragments. Comparative analysis ...

journal_title：Plasmid

authors： Wabiko H,Kagaya M,Sano H

更新日期：1991-01-01 00:00:00

abstract：:The chimeric plasmid pBN183 was first constructed in Escherichia coli by ligating the BamHI-digested E. coli plasmid pBR322 and a Bg/II-linearized streptococcal plasmid, pNZ18. The pBN183 transformed E. coli to ApR at a frequency of (8.2 +/- 1.2) x 10(5) colony forming units (CFU)/microgram DNA. Electrotransformation ...

journal_title：Plasmid

authors： Solaiman DK,Somkuti GA,Steinberg DH

更新日期：1992-07-01 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：:A preliminary screening study of six Moraxella catarrhalis isolates from primary school children in the Netherlands identified a small 3.5 kb plasmid (pEMCJH03), containing four open reading frames, which encoded three mobilizing and one replicase protein. Insertion of a kanamycin containing transposon (yielding pEMCJ...

journal_title：Plasmid

authors： Hays JP,Eadie K,Verduin CM,Verbrugh H,van Belkum A

更新日期：2005-05-01 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：: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：:Escherichia coli strain K12 BM14, carrying plasmid R751 (51.4 kb; Tpr, Tra+, IncP), was used as donor in matings with reference strains of the six Brucella nomenspecies, not known so far to harbor naturally occurring plasmids. R751 was easily transferred to and between Brucella spp., at frequencies ranging between 10(...

journal_title：Plasmid

authors： Verger JM,Grayon M,Chaslus-Dancla E,Meurisse M,Lafont JP

更新日期：1993-03-01 00:00:00

abstract：:We describe here the construction of Gateway-compatible vectors, pBGP1-DEST and pPICZα-DEST, for rapid and convenient preparation of expression plasmids for production of secretory proteins in Pichia pastoris. Both vectors direct the synthesis of fusion proteins consisting of the N-terminal signal and pro-sequences of...

journal_title：Plasmid

authors： Sasagawa T,Matsui M,Kobayashi Y,Otagiri M,Moriya S,Sakamoto Y,Ito Y,Lee CC,Kitamoto K,Arioka M

更新日期：2011-01-01 00:00:00

abstract：:Fusobacterium nucleatum is a Gram-negative anaerobic rod found in dental plaque biofilms, and is an opportunistic pathogen implicated in periodontitis as well as a wide range of systemic abscesses and infections. Genomic analyses of F. nucleatum indicate considerable genetic diversity and a prominent role for horizont...

journal_title：Plasmid

authors： Claypool BM,Yoder SC,Citron DM,Finegold SM,Goldstein EJ,Haake SK

更新日期：2010-01-01 00:00:00

abstract：:A total of 530 strains of rumen bacteria were screened for the presence of plasmid DNA. The percentage of plasmid-bearing strains was found to be the highest among the Bacteroides/ Prevotella group (9.9%), while it was less than 1% in the Butyrivibrio (0.2%) and Clostridium (0.6%) genera. A small cryptic plasmid pRAM4...

journal_title：Plasmid

authors： Ogata K,Aminov RI,Nagamine T,Benno Y,Sekizaki T,Mitsumori M,Minato H,Itabashi H

更新日期：1996-03-01 00:00:00

abstract：:A set of low copy number plasmid vectors for mammalian gene expression has been constructed. These vectors are derived from the previously described bacterial low copy number expression vectors, pWSK29 and pWKS30, which are present at six to eight copies per cell. The new plasmids also have the following useful proper...

journal_title：Plasmid

authors： Fontaine SL,Firth SD,Lockhart PJ,Paynter JA,Mercer JF

更新日期：1998-01-01 00:00:00

abstract：:Transposon-insertion mutants with vir- Ti plasmids were characterized and then used in complementation experiments. One of the mutants (LBA 1517) had a mutation in a newly discovered vir locus called virF. The virF mutation led to a strongly diminished virulence on tomato and tobacco, but not on certain other plant sp...

journal_title：Plasmid

authors： Hooykaas PJ,Hofker M,den Dulk-Ras H,Schilperoort RA

更新日期：1984-05-01 00:00:00

abstract：:We report the characterization of Tn602, a transposon encoding resistance to kanamycin and related aminoglycosides present on the R-plasmid pGD10. Tn602 is highly homologous to the previously characterized Tn903, present on the R-plasmid R6, in that it consists of a gene for aminoglycoside-phosphotransferase-3'-I (hom...

journal_title：Plasmid

authors： Stibitz S,Davies JE

更新日期：1987-05-01 00:00:00

abstract：:Taking advantage of the plaque morphology method, we detected two single-stranded initiation (ssi) signals in the plasmid pSY343; one was in the 170-nucleotide (nt) EcoRV-ThaI segment (170P), and the other was in the 93-nt DraI-FnuDII segment (93F), which were designated as ssiA and ssiB, respectively. We cloned the t...

journal_title：Plasmid

authors： Bahk JD,Kioka N,Sakai H,Komano T

更新日期：1988-11-01 00:00:00

abstract：:The complete sequence of the 10.9-kbp bacteriocinogenic plasmid pBL1 from Lactococcus lactis subsp. lactis IPLA 972 has been determined. Thirteen ORFs were encountered, of which 5 were incomplete. pBL1 proved to be a narrow-host-range plasmid which replicates neither in Bacilus subtilis nor in Lactobacillus spp. The s...

journal_title：Plasmid

authors： Sánchez C,Hernández de Rojas A,Martínez B,Argüelles ME,Suárez JE,Rodríguez A,Mayo B

更新日期：2000-11-01 00:00:00