Escherichia coli K-12 dam, dcm and mut plasmids


Send strain or plasmid requests to martin.marinus@umassmed.edu



Plasmids

pALO160 AmpR; A very low copy plasmid with a 7.8 kb BglII insert of chromosomal DNA including the aroK, aroB, urf74, and dam genes. (GM5488)
    Lobner-Olesen et al 1992 Mol Microbiol 6, 1841-1851

pALO163 AmpR; As pALO160 but containing a lacZ transcriptional fusion in the unique BamHI site in the dam gene
    Lobner-Olesen et al 1992 Mol Microbiol 6, 1841-1851

pALO218 AmpR; As pALO163 but containing the CamR gene from pACYC184 (on a 1.4 kb BsaAI fragment) cloned into the NruI site of aroK (GM5627)
    Lobner-Olesen A. and Marinus MG 1992 J Bacteriol., 174 ,525-529.

pBA40   AmpR; BglII fragment of chromosome with the mutS gene cloned into the BamHI site of pBR322 (GM5612).
Obtained from Dr. Ken Stacey, University of Canterbury, UK
    Wu TH and  Marinus MG 1994  J. Bacteriol. 176, 5393-5400

pJEL109 AmpR; A very low copy plasmid with an R1 origin of replication, the bla gene of Tn3 and cloning sites for BamH1, ClaI and HindIII.
Parent plasmid of pALO160. Constructed by JEL Larson and cited in Lobner-Olesen et al 1992 Mol Microbiol 6, 1841-1851. (GM5490)

pMQ3 AmpR; 12.1 kb plasmid containing a 6.1 kb EcoRI dam fragment cloned into pBR325. (GM1235)
    Arraj JA Marinus MG 1983 J. Bacteriol. 153, 562-565

pMQ133 CamR; 6.8 kb plasmid containing a 1.9 kb PstI CamR fragment from Tn9; a 1.8 kb PstI-SalI dam fragment and the SalI-PstI backbone of pBR322. (GM2284)
    Arraj JA Wu TH Marinus MG 1990 Current Microbiol. 20, 133-136

pMQ148 AmpR; Identical to pdam118 (Brooks et al 1983 Nucleic Acids Res 11, 837-851). Contains a pBR322 duplication. Unlike other dam plasmids produces only a two-fold increase in cellular Dam activity. (GM2374)
    Arraj JA Wu TH Marinus MG 1990 Current Microbiol. 20, 133-136

pMQ191 TetR; EcoRI - EcoRI (destroyed PvuII plus EcoRI linker) dam fragment from pTP166 into pACYC184 EcoRI site. (GM3166)

pMQ269 AmpR, TetR ; pPY97 derivative with T instead of C at nt 40 altering the His6 codon of mnt.
For preparation of G-T mismatch at nt 40

pMQ270 AmpR, TetR ; pPY97 derivative with G instead of A at nt 41 altering the His6 codon of mnt.
For preparation of T-G mismatch at nt 41

pMQ271 AmpR, TetR ; pPY97 derivative with 1 bp deletion (-A41) altering the His6 codon of mnt. (GM5421)

pMQ272 AmpR, TetR ; pPY97 derivative with 2 bp deletion (-GC, 39-40) altering the His6 codon of mnt. (GM5422)

pMQ273 AmpR, TetR ; pPY97 derivative with 3 bp deletion (-GCA, 39-41) altering the His6 codon of mnt. (GM5423)

pMQ274 AmpR, TetR ; pPY97 derivative with 4 bp deletion (-CGCA, 38-41) altering the His6 codon of mnt. (GM5424)

pMQ275 AmpR, TetR ; pPY97 derivative with 5 bp deletion (-GCACT, 39-42) altering the His6 codon of mnt. (GM5425)

    (Plasmids pMQ269-pMQ275) Parker BO and Marinus MG 1992 Proc Natl Acad Sci USA. 89, 1730-1734
    Carraway M and marinus MG 1993 J. Bacteriol. 175, 3972-3980.

pMQ315 AmpR, mutS+; derived from pBA40 by MNNG mutagenesis of region upstream of mutS. (GM5782)
    Wu TH and  Marinus MG 1994  J. Bacteriol. 176, 5393-5400

pMQ339 CamR; pACYC184 with a BamHI chromosomal DNA fragment containing the mutL gene cloned into the BamHI site (GM6494)
    Wu TH and  Marinus MG 1994  J. Bacteriol. 176, 5393-5400

pMQ341 CamR; pACYC184 with a replacement ClaI-HindIII fragment from pBA40 containing the mutS gene (GM6497)
    Wu TH and  Marinus MG 1994  J. Bacteriol. 176, 5393-5400

pMQ348 CamR; pACYC184 with a XhoI-HindIII fragment from pRH71-17 containing the mutH gene replacing the SalI-HindIII sequence (GM6470)
    Wu, T.-H. and  Marinus, M.G. (1994)  J. Bacteriol. 176, 5393-5400

pMQ350 AmpR; pZ150 with BamHI chromosomal mutL fragment (GM6509)
    Aronshtam, A. and Marinus, M.G. 1996. Nucleic Acids Research 24, 2498-2504
    -this plasmid may be unstable generating deletions in the mutL gene

pMQ372 AmpR; pET3d vector (plus destroyed AvaI site) with mutS gene (GM6593) [Map]

    Deletion derivatives
            pΔ1-260     (GM6928)
            pΔ26-260   (GM6827)
            pΔ261-556 (GM6833)
            pΔ680-853 (GM6825)

    Wu TH and Marinus MG 1999 JBC 274, 5948-5952

pMQ382 CamR; pACYC184 expressing His-Tagged MutS from a T7 promoter. (GM6627) [Map]

pMQ393 CamR; pACYC184 expressing His-Tagged MutL from a T7 promoter. (GM6647)
    Aronshtam A. and Marinus MG 1996. Nucleic Acids Research 24, 2498-2504

pMQ395 AmpR; pMQ372 derivative with N-terminal His Tag of pET15b fused to produce His-Tagged MutS (GM6651) [Map]

      Deletion derivatives
         
pΔ1-311H     (GM6922)
          pΔ26-260H   (GM6425)
          pΔ261-556H (GM6927)
          pΔ680-853H (GM6924)

    Wu TH and Marinus MG 1999 JBC 274, 5948-5952

pMQ402 AmpR; pBAD18 expressing His-Tagged MutH from the araBAD promoter. XbaI-HindIII mutH fragment inserted into pBAD18. (GM6851)

pMQ417 AmpR;  pMQ372 derivative with C-terminal His Tag fused to produce His-Tagged MutS (GM6929)
The MutS protein encoded by this plasmid is fully functional and is more stable in vitro than that produced by pMQ395.
    Wu, T.H. and Marinus, M.G., unpublished data.

pMQ430 AmpR;  pBAD18 derivative with the cloned dam gene, without its ribosome binding site, under control of the pBAD promoter. Expression of dam occurs in the presence of arabinose but not in its absence.(GM7470)
    Calmann MA and Marinus MG 2003 J. Bacteriol. 185, 5012-5014.

pMS2 AmpR;  carries the wildtype aroK and aroB genes. A pBR322 derivative in which the AseI-EcoRI fragment has been replaced with the corresponding fragment from pALO160. (GM5770)
    Lobner-Olesen A. and Marinus, MG 1992 J Bacteriol., 174 ,525-529. 

pN3 TetR  StrR SulR  (use 30, 50, 100 ug/ml). This plasmid bears the EcoRII restriction/modification system.
       See Watanabe et al 1964 and Hattman et al 1972.

pPY97 AmpR; mnt-Pant::tet,in a pBR322 (M13ori, +) backbone.

pPY98 AmpR; mnt-Pant::tet,in a pBR322 (M13ori, -) backbone.

pRH71-17 (mutH+ in a pBR322 backbone, AmpR). Plasmid obtained from Dr R. Grafstrom. (GM4151)
    Grafstrom RH Hoess RH Gene 1983 22:245-53
    Grafstrom RH Hoess RH Nucleic Acids Res 1987 15:3073-84

pTP166 AmpR; dam gene under tac promoter control. (GM2290)
    Marinus MG Poteete A Arraj JA l984  Gene 28:123-l25


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