The Clostridium perfringens chloramphenicol resistance transposon Tn4451 excises precisely in Escherichia coli.

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：: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：: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：:Small particles of metallic tungsten, known also as tungsten microprojectiles, are routinely used for biotechnological purposes. In such applications, tungsten was observed to affect the integrity of plasmid DNA. Here we present evidence that interaction between tungsten particles and intact circular plasmids pU19, pU...

journal_title：Plasmid

authors： Mazuś B,Krysiak C,Buchowicz J

更新日期：2000-07-01 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：:Plasmid RK2 codes for two species of the replication initiator protein TrfA (33 and 44 kDa). Both polypeptides are strongly associated with membrane fractions of Escherichia coli host cells (W. Firshein and P. Kim, Mol. Microbiol. 23, 1-10, 1997). We investigated the role of a 12-amino-acid hydrophobic region (HR) in ...

journal_title：Plasmid

authors： Kim PD,Rosche TM,Firshein W

更新日期：2000-05-01 00:00:00

abstract：:A novel type I restriction-modification specificity subunit, S. LlaW12I, has been identified on the naturally occurring 8.0-kb plasmid pAW122 in the lactic acid bacterium Lactococcus lactis subsp. cremoris W12. Presence of the HsdS protein together with a complete type I restriction-modification system conferred incre...

journal_title：Plasmid

authors： Madsen A,Westphal C,Josephsen J

更新日期：2000-09-01 00:00:00

abstract：:A suppressor of the mutations which inhibit the establishment of lysogeny in Pseudomonas aeruginosa has been found to be encoded by P. aeruginosa plasmids of four separate incompatibility groups. The wide distribution of this phenotype (designated Sly for suppressor of lysogeny establishment deficiency) indicates that...

journal_title：Plasmid

authors： Mondello FJ,Miller RV

更新日期：1984-03-01 00:00:00

abstract：:Pseudomonas putida is a highly attractive production system for industrial needs. However, for its improvement as a biocatalyst at the industrial level, modulation of its gene expression is urgently needed. We report the construction of a plasmid expressing a small RNA-based system with the potential to be used for di...

journal_title：Plasmid

authors： Apura P,Saramago M,Peregrina A,Viegas SC,Carvalho SM,Saraiva LM,Arraiano CM,Domingues S

更新日期：2020-05-01 00:00:00

abstract：:Several staphylococcal plasmids (26-45 kb) carry all three streptogramin-resistance (Sg(R)) genes, vat, vgb, and vga. Seven such plasmids harbored by independent strains belonging to three taxa (Staphylococcus aureus, S. simulans, and S. cohnii subsp. urealyticum) were compared and the deleted derivative of one of the...

journal_title：Plasmid

authors： Allignet J,El Solh N

更新日期：1999-09-01 00:00:00

abstract：:We have shown previously that the copy number of plasmid pSY10 from the marine cyanobacterium Synechococcus sp. NKBG 042902 is dependent on the salinity of the growth medium. We report here the complete nucleotide sequence (2561 bp) of this plasmid. The longest open reading frame, ORF-B (1.08 kb), occurs on a 1.6-kb E...

journal_title：Plasmid

authors： Kawaguchi R,Nagaoka T,Burgess JG,Takeyama H,Matsunaga T

更新日期：1994-11-01 00:00:00

abstract：:DNA replication initiation has been well-characterized; however, studies in the past few years have shown that there are still important discoveries to be made. Recent publications concerning the bacterial DnaA protein have revealed how this replication initiator, via interaction with specific sequences within the ori...

journal_title：Plasmid

authors： Zabrocka E,Wegrzyn K,Konieczny I

更新日期：2014-11-01 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：:As multidrug resistant bacteria pose one of the greatest risks to human health new alternative antibacterial agents are urgently needed. One possible mechanism that can be used as an alternative to traditional antibiotic therapy is transfer of killing agents via conjugation. Our work was aimed at providing a proof of ...

journal_title：Plasmid

authors： Starčič Erjavec M,Petkovšek Ž,Kuznetsova MV,Maslennikova IL,Žgur-Bertok D

更新日期：2015-11-01 00:00:00

abstract：:The linear plasmid SCP1 of Streptomyces coelicolor A3(2) is one of the genetically more studied linear streptomycete replicons. Although the genetics of SCP1 and its interaction with the host chromosome have been analyzed for nearly three decades no information exists on its replication. With the help of an ordered co...

journal_title：Plasmid

authors： Redenbach M,Bibb M,Gust B,Seitz B,Spychaj A

更新日期：1999-11-01 00:00:00

abstract：:The construction of a set of new plasmids that are suitable as general cloning vectors in Escherichia coli and Agrobacterium tumefaciens is described. Plasmid pUCD2 is amplifiable in E. coli, replicates in a wide range of gram-negative hosts and contains a number of useful restriction endonuclear cleavage sites and an...

journal_title：Plasmid

authors： Close TJ,Zaitlin D,Kado CI

更新日期：1984-09-01 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：:Mud (mini-Mu) transposons are defective phage Mu genomes that conserve the Mu ends. The transduction of Mud transposons is strictly dependent on Mu complementation, inefficient, and affected by modifications in the Mud internal sequences. The transduction of Mud transposons depends on transposition, which appears to b...

journal_title：Plasmid

authors： Reyes O,Beyou A,Mignotte-Vieux C,Richaud F

更新日期：1987-11-01 00:00:00

abstract：:Mutations that increase the copy number of the pSC101 replicon have been used for construction of new cloning vectors. Replacement of glutamate at position 93 in RepA yields plasmids that replicate at medium (27 copies/cell) and high (approximately 240 copies/cell) copy numbers. Based on the crystal structure of RepE,...

journal_title：Plasmid

authors： Peterson J,Phillips GJ

更新日期：2008-05-01 00:00:00

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 rapidly advancing field of plant synthetic biology requires transforming plants with multiple genes. This has sparked a growing interest in flexible plant transformation vectors, which can be used for multi-gene transformations. We have developed a novel binary vector series, named the PC-GW series (GenBank: KP826...

journal_title：Plasmid

authors： Dalal J,Yalamanchili R,La Hovary C,Ji M,Rodriguez-Welsh M,Aslett D,Ganapathy S,Grunden A,Sederoff H,Qu R

更新日期：2015-09-01 00:00:00

abstract：:Sequence analysis of the Pseudomonas aeruginosa insertion sequence element IS222 revealed it to be 1234 bp in size with 23 bp imperfect terminal inverted repeats. Insertion caused a 5-bp duplication of the insertion site. Two ORFs were identified, one of which, ORFA, could encode a basic (pI 10.5) polypeptide with a m...

journal_title：Plasmid

authors： Kropinski AM,Farinha MA,Jansons I

更新日期：1994-03-01 00:00:00

abstract：:Almost 200 scientists from America, Europe, Asia, Australia, and Africa participated in the Plasmid Biology 2004 meeting, which was organized between 15th and 21st September 2004 in Kanoni (Corfu island), Greece. Various aspects of biology of plasmids and other mobile genetic elements were discussed during the meeting...

journal_title：Plasmid

authors： Wegrzyn G

更新日期：2005-01-01 00:00:00

abstract：:pBR322-derived plasmids that lack the bla gene and 40% of the gene for the replication inhibitor, RNAI, have been constructed. Since the RNAI gene totally overlaps with the gene for the replication primer, RNAII, this primer is similarly defective and also lacks its normal promoter. The primer is presumed to by synthe...

journal_title：Plasmid

authors： Chiang CS,Bremer H

更新日期：1991-11-01 00:00:00

abstract：:Escherichia coli pcnB gene was discovered as a regulator of ColE1 plasmid copy number about 20 years ago. Further studies indicated that this gene codes for poly(A) polymerase I (PAP I). However, although importance of RNA polyadenylation has been demonstrated and biochemical properties of PAP I have been studied exte...

journal_title：Plasmid

authors： Jasiecki J,Wegrzyn G

更新日期：2006-03-01 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：:A cell clone (cl.2) having an atypical transformed morphology was isolated from a murine C127 cell culture experimentally infected with a bovine papillomavirus type 1 (BPV-1) virion preparation. cl.2 cells exhibited minimal transformed characteristics and contained multiple copies of a BPV-1 plasmid with a molecular s...

journal_title：Plasmid

authors： Burnett S,Moreno-Lopez J,Pettersson U

更新日期：1988-07-01 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

abstract：:Some strains of the Enterobacteriaceae Serratia entomophila and Serratia proteamaculans cause amber disease in the grass grub, Costelytra zealandica (Coleoptera: Scarabaeidae), an important pasture pest in New Zealand. The genes responsible for this disease reside on a large, 155-kb plasmid designated amber disease-as...

journal_title：Plasmid

authors： Hurst MR,O'Callaghan M,Glare TR

更新日期：2003-11-01 00:00:00

abstract：:Even though Vibrio cholerae is a well-known human pathogen, it is also a normal member of aquatic habitats. Within this environment it often forms biofilms on the chitin-containing exoskeleton of crustaceans and their molts. Chitin not only serves as nutrient source but also induces a developmental program called natu...

journal_title：Plasmid

authors： De Souza Silva O,Blokesch M

更新日期：2010-11-01 00:00:00