Supplementary table 1 summary of strains and plasmids used in this study strain or plasmid description source li dh10b gibcolife technologies li dym1 ispce. In order to overcome this problem, we introduced by sitedirected mutagenesis a new ndei restriction site into pbbr1mcs3 to generate a start codon directly at the beginning. It is derived from the broad host range cloning vector pbbr1mcs. In this study, a small broadhostrange vector named pbbr1mcs2, which does not belong to the incq, incw, or incp groups, was studied for the feasibility of its use in conjugative gene transfer. Broadhostrange plasmid vectors for gene expression in bacteria.
Broadhostrange plasmids for constitutive and inducible gene. Mobilization function of the pbhr1 plasmid, a derivative of. Kovach me, elzer ph, hill ds, robertson gt, farris ma, roop rm 2nd, peterson km gene. Constitutive and inducible expression of green fluorescent.
Novel roles of soxr, a transcriptional regulator from. Broad host rangeli plasmid vector pbbr1mcs complete. This plasmid was sequenced and used as a base for developing improved broad host range cloning vectors. Engineering a mevalonate pathway in escherichia coli for production of. For many nonmodel bacterial species, plasmid vectors for gene expression. Interactions between brucella melitensis and human phagocytes. These expression vectors were based on a high copy number bhr pbbr1mcs 4 replicon that could replicate in both enteric and nonenteric gramnegative bacteria. As opposed to other known broad host range vectors, it replicates at medium copy numbers and has a small size 5305 bp. We constructed an improved vector pnsgroe for gene expression studies in brucella spp.
In contrast to other known broad host range vectors, pbbr reso is maintained at a medium copy number and has a reasonable size of about 6. Four new derivatives of the broadhostrange cloning vector. Four new derivatives of the broad host range cloning vector pbbr1mcs, carrying different antibioticresistance cassettes. Four new derivatives of the broadhostrange cloning vector pbbr1mcs, carrying different antibioticresistance cassettes. Recently, a set of broadhostrange cloning vectors derived from the bordetella bronchiseptica plasmid pbbr1 antoine and locht 1992 was described kovach et al. These plasmids, pbbr1mcs, pbbr1mcs2, pbbr1mcs3, pbbr1mcs4, and pbbr1mcs5, contain a lacz. Supplementary table 1 summary of strains and plasmids used in. This plasmid was electroporated into the wildtype 16m and an opsde.
Frontiers novel selftransmissible and broadhostrange. Four new derivatives of the broadhostrange cloning vector pbbr1mcs, carrying different. Kovach me, elzer ph, hill ds, robertson gt, farris ma, roop rm 2nd, peterson km. Isolation and molecular characterization of a novel broad. Due to the fact that many gramnegative bacteria are naturally cm r, four derivatives of the vector were constructed, each with a different antibiotic selection marker. Several versions of broad host range bhr, larabinoseinducible expression vectors were constructed. A versatile toolbox for the control of protein levels using. Plasmidmediated alterations in host physiology and metabolism are poorly understood for this group of organisms. Tauch a, kirchner o, loffler b, gotker s, puhler a, kalinowski j 2002. Apr pharmacia pbbr1mcs 3 lowcopy broad host expression plasmid. We describe how wide host range cloning vectors can lead to more flexible and effective procedures to isolate novel genes by screening metagenomic libraries in a range of bacterial hosts, not just the conventionally used escherichia coli. Here we describe the development and application of a green. Pdf detection and validation of a small broadhostrange.
Jul, 2018 the pxst vector transformation efficiency regarding different sized pcr products was calculated by two ligation methods, ta cloning and bluntend cloning. Engineering a mevalonate pathway in escherichia coli for. Kovach me1, elzer ph, hill ds, robertson gt, farris ma, roop rm 2nd, peterson km. This new plasmid has several advantages over pbbr1mcs or its derivatives pbbgroe. Improvement of pbbr1mcs plasmids, a very useful series of broadhostrange cloning vectors.
Four new derivatives of the broadhostrange cloning vector pbbr1mcs, carrying different antibiotic resistance cassettes. Jun 23, 2010 genetic engineering of fluorescent pseudomonads for various industrially, agriculturally and environmentally important bioprocesses often involves the use of suitable plasmids. Four new derivatives of the broad host range cloning vector pbbr1mcs, carrying different antibioticresistance cassettes plasmid. Kovach m e, elzer p h, hill d s, robertson g t, farris m a, roop r m, peterson k m. Development of improved versatile broadhostrange vectors. Chromosomebased genetic complementation system for xylella. Broad host range plasmid pbbr1mcs 2 derived from pbbr1 is mobilizable and compatible with various plasmid incompatibility groups and wildly used for cloning and expression in laboratory. Broadhostrange plasmidmediated metabolic perturbations in. Using broad host range replicons as the basis of cloning, vector development has the advantage that the cloning may be performed by standard techniques in e. Factors affecting broad host range bhr plasmid replication. Wide hostrange cloning for functional metagenomics.
Broadhostrange expression vectors with tightly regulated. Pdf this chapter provides methods and insights into the use of broadhostrange plasmid vectors useful for. Four new derivatives of the broadhostrange cloning vector pbbr1mcs. Broadhostrange vector pbbr reso promoter trap vector. These new plasmids have several advantages over many of the currently available bhr vectors in that. Generally, transformation efficiency is determined by a variety of factors, including the quality of competent cells, the molar ratio between the insert fragment and plasmid, and the ligation. Broad host range plasmids fems microbiology letters. Efficient electrotransformation of corynebacterium diphtheriae with a minireplicon derived from the corynebacterium glutamicum. Different vectors pbbr1cm, pbbr1mcs2, pbbr1mcs4, and pbbr1mcs5 2, 25 were derived. Gmr 6 pbbr1mcs 2 ackrst broad host range cloning vector, contains the acetyl lysyltrna synthetase pyls under control of p glns and the suppressor trna cua pylt under the control of p prok, inserted into the nsii.
This greatly facilitates genetic studies of a wide variety of gramnegative bacteria and makes pbbr122 particularly interesting for studies of broad host. Kaori at fumiya, nagmeet na pala noong kabataan pa nila. It was derived from pbbr1mcs, which itself is a modification of the broad host range plasmid pbbr1cm. Pdf this chapter provides methods and insights into the use of broadhost range plasmid vectors useful for.
Km rap puc origin t7 sp6 lacz qiagen, germany petblue2. The gene encoding kanamycin resistance was cloned as a blunted 1. Improved gfp and inaz broadhostrange promoterprobe vectors. However, temperature sensitive ts mutations of pbbr1mcs 2 are rarely reported. Ampr 6 pbbr1mcs 5 broad host range cloning vector, 4. Apr invitrogen ptrc99a highcopy expression plasmid. Improvement of pbbr1mcs plasmids, a very useful series of. Construction and characterization of regulated larabinose. The activity of two of these enzymes was impaired because of the fusion with the first 20 amino acids of the. This data has been provided by curated databases and other sources that have cited the article. In this study, a small broad host range vector named pbbr1mcs 2, which does not belong to the incq, incw, or incp groups, was studied for the feasibility of its use in conjugative gene transfer.
Broad host range plasmids fems microbiology letters oxford. Jun 23, 2010 read broad host range plasmidmediated metabolic perturbations in pseudomonas fluorescens 525, applied microbiology and biotechnology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Kovach me1, phillips rw, elzer ph, roop rm 2nd, peterson km. Pdf broadhostrange plasmid vectors for gene expression in. Each vector contains a versatile multiple cloning site that includes an ndei site. Four new derivatives of the broadhostrange cloning. Four new antibioticresistant derivatives of the broad host range bhr cloning vector pbbr1mcs have been constructed. Dec 01, 1995 four new derivatives of the broad host range cloning vector pbbr1mcs, carrying different antibioticresistance cassettes.
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