Transcription start sites in the promoter region of the Escherichia coli pcnB (plasmid copy number) gene coding for poly(A) polymerase I.

abstract：:The CoIV plasmids are large virulence plasmids of the incompatibility group IncFI. We have obtained the genetic maps of two of the most studied CoIV plasmids, pCoIV-B188 and pCoIV-K30, according to restriction enzyme sites and landmark phenotypic characteristics such as colicin V, the aerobactin iron uptake system, th...

journal_title：Plasmid

authors： Waters VL,Perez-Casal JF,Crosa JH

更新日期：1989-11-01 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：:pIP501 and pAM beta 1 are promiscuous plasmids from gram-positive bacteria which carry structurally and genetically related replication functions (L. Jannière, A. Gruss and S.D. Ehrlich, 1993, in "Bacillus subtilis and Other Gram-positive Bacteria: Biochemistry, Physiology, and Molecular Genetics (A.L. Sonenshein, J.A...

journal_title：Plasmid

authors： Pujol C,Ehrlich SD,Jannière L

更新日期：1994-01-01 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：: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：: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 complete nucleotide sequence of a plasmid, designated pRJF1, isolated from a rumen bacterium of the genus Butyrivibrio, has been determined. pRJF1 is a small plasmid (2631 bp) which shows the high AT content (64%) typical of plasmids from gram-positive organisms. Computer analysis of sequence data revealed two maj...

journal_title：Plasmid

authors： Hefford MA,Teather RM,Forster RJ

更新日期：1993-01-01 00:00:00

abstract：:The incompatibility region of the Streptomyces plasmid pSL1 was identified as a 240-bp segment, though some other function from the vector plasmid was also necessary. A 540-bp fragment including the 240-bp region was enough for full expression of incompatibility. Inserted mutation analysis led to a more detailed locat...

journal_title：Plasmid

authors： Urabe H,Shindoh Y,Nakano MM,Ogawara H

更新日期：1987-03-01 00:00:00

abstract：:We describe the construction of a series of shuttle vectors for Staphylococcus aureus. In order to determine transcriptional regulation by essential regulators, we constructed promoterless luxABCDE reporter system using a TetR-regulated antisense RNA expression vector, pJYJ909, which is composed of S. aureus plasmid p...

journal_title：Plasmid

authors： Yan M,Yu C,Yang J,Ji Y

更新日期：2009-05-01 00:00:00

abstract：:The structural and functional properties of mercury resistance determinants cloned from a series of independently isolated conjugative plasmids were compared with those of the prototype HgR determinants from Tn501 and plasmid R100 (containing Tn21). Restriction endonuclease mapping classified the HgR determinants into...

journal_title：Plasmid

authors： Jobling MG,Peters SE,Ritchie DA

更新日期：1988-09-01 00:00:00

abstract：:We isolated a small multicopy cryptic plasmid, pNHK101, from Thermus sp. TK10 for use as a replicon of a Thermus expression vector. The nucleotide sequence of pNHK101 revealed that this plasmid was 1564bp long, with a total G+C content of 66.8%, which was in agreement with that of Thermus genomic DNA. The sequence did...

journal_title：Plasmid

authors： Kobayashi H,Kuwae A,Maseda H,Nakamura A,Hoshino T

更新日期：2005-07-01 00:00:00

abstract：:A flexible M13 vector library incorporating the BstXI site has been developed. DNA cut by any currently commercially available restriction endonuclease that generates a 4-nucleotide (nt) 3' overhang can be ligated into a specific clone of the library. The BstXI enzyme recognizes a 6-bp bipartite palindromic sequence. ...

journal_title：Plasmid

authors： Panchmatia FK,Cramb EM,Li V,Allen FL,Glickman BW,Waye MM

更新日期：1990-07-01 00:00:00

abstract：:The nucleotide sequence of a 3955-bp Helicobacter pylori plasmid, pHP51 was determined, and two open reading frames, ORF1 and ORF2, were identified. The deduced amino acid sequence of ORF1 was highly conserved (87-89%) among plasmid replication initiation proteins, RepBs. The function of ORF2 was not assigned because ...

journal_title：Plasmid

authors： Song JY,Choi SH,Byun EY,Lee SG,Park YH,Park SG,Lee SK,Kim KM,Park JU,Kang HL,Baik SC,Lee WK,Cho MJ,Youn HS,Ko GH,Bae DW,Rhee KH

更新日期：2003-09-01 00:00:00

abstract：:Pinene is a monoterpene with wide industrial applications, especially as a promising high energy-density jet fuel. Traditional production of pinene on an industrial scale is material consumptive and has a low yield. As an alternative, microbial organisms have been engineered though advanced synthetic biological techni...

journal_title：Plasmid

authors： Bao SH,Zhang DY,Meng E

更新日期：2019-09-01 00:00:00

abstract：:Suggestions are made for the estimation of plasmid loss rates in bacterial populations that multiply by binary fission. The plasmid loss rate is defined as the probability of a division of a plasmid-carrying individual giving birth to one plasmid-free and one plasmid-carrying daughter cell. The unit of time is consequ...

journal_title：Plasmid

authors： Boe L,Rasmussen KV

更新日期：1996-11-01 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：: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：:Sphingomonas sp. A1 (strain A1) is capable of directly incorporating macromolecules (e.g., alginate) through the specialized import system--"super-channel." Here, we report the complete DNA sequence and genetic organization of plasmid pA1 from strain A1. Nucleotide sequence analysis revealed that pA1 comprises 46,557 ...

journal_title：Plasmid

authors： Harada KM,Aso Y,Hashimoto W,Mikami B,Murata K

更新日期：2006-07-01 00:00:00

abstract：:A new insertion variant of IS231 family, designated ISBth4, was identified from Bacillus thuringiensis MEX312. ISBth4 is 2046bp in length and is delimited by two 17bp inverted repeats (IR) with one mismatch, flanked by two perfect 11bp direct repeats (DR). ISBth4 contains two open reading frames (ORFs), ORF1 and ORF2,...

journal_title：Plasmid

authors： Wang J,Chaudhuri RR,Ellar DJ

更新日期：2010-01-01 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：: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：: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：:A transient expression system has been developed to compare the relative efficiency of expression of various vaccinia virus DNA sequences containing transcriptional regulatory elements. A plasmid vector was constructed containing both the Escherichia coli galactokinase gene (galK) and the guanine phosphoribosyltransfe...

journal_title：Plasmid

authors： Shepard B,Panicali D,Huang C

更新日期：1987-07-01 00:00:00

abstract：:The joining of DNA ends was compared in the established CV1 cell line and in African green monkey kidney primary cells, from which the CV1 cell line was established. Using a linear SV40 genome that carries a terminal repeat of 526 nucleotide pairs, we measured the efficiency of circularization by end joining relative ...

journal_title：Plasmid

authors： Zheng H,Chang XB,Wilson JH

更新日期：1989-09-01 00:00:00

abstract：:Functional analysis of cloned genes often makes use of complementation after introducing these genes into cells of a mutant strain. Problems with this self-cloning step in the cyanobacterium Anacystis nidulans R2 have been encountered, which were mainly due to recombinational instability of gene and vector after trans...

journal_title：Plasmid

authors： Kuhlemeier CJ,Hardon EM,van Arkel GA,van de Vate C

更新日期：1985-11-01 00:00:00

abstract：:Glycopeptide resistant Enterococcus faecium (GREF) persists on Norwegian poultry farms despite the ban on the growth promoter avoparcin. The biological basis for long-term persistence of avoparcin resistance is not fully understood. This study presents the complete DNA sequence of the E. faecium R-plasmid pVEF3 and fu...

journal_title：Plasmid

authors： Sletvold H,Johnsen PJ,Hamre I,Simonsen GS,Sundsfjord A,Nielsen KM

更新日期：2008-07-01 00:00:00

abstract：:The conjugative shuttle transposon Tn1545 from Streptococcus pneumoniae confers resistance to kanamycin (aphA-3), erythromycin (ermAM), and tetracycline (tetM). The 25.3-kb element is self-transferable to various gram-positive bacterial genera where it transposes. Tn1545 is also capable of transposition, but not of co...

journal_title：Plasmid

authors： Caillaud F,Carlier C,Courvalin P

更新日期：1987-01-01 00:00:00

abstract：:Certain yeast strains secrete a protein toxin, which inhibits the growth of sensitive pathogens and yeasts. Studies have shown that production of the toxin is dependent on presence of linear, double-stranded DNA plasmids in the killer yeasts. In the yeast Pichia pastoris, two linear double-stranded DNA plasmids have b...

journal_title：Plasmid

authors： Banerjee H,Verma M

更新日期：2000-03-01 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：:The plasmid pMSP3535 is a popular vector for nisin-inducible expression of heterologous genes in lactic acid bacteria. However, the maximum protein expression level achievable with pMSP3535 is relatively low. In an effort to increase expression we modified pMSP3535 to create a high expression variant termed pMSP3535H2...

journal_title：Plasmid

authors： Kim JH,Mills DA

更新日期：2007-11-01 00:00:00