| Year |
Citation |
Score |
| 2022 |
Helinski DR. A Brief History of Plasmids. Ecosal Plus. eESP00282021. PMID 35373578 DOI: 10.1128/ecosalplus.esp-0028-2021 |
0.338 |
|
| 2006 |
Jiang Y, Yao S, Helinski D, Toukdarian A. Functional analysis of two putative chromosomal replication origins from Pseudomonas aeruginosa. Plasmid. 55: 194-200. PMID 16376988 DOI: 10.1016/J.Plasmid.2005.11.001 |
0.424 |
|
| 2005 |
Zhong Z, Helinski D, Toukdarian A. Plasmid host-range: restrictions to F replication in Pseudomonas. Plasmid. 54: 48-56. PMID 15907538 DOI: 10.1016/J.Plasmid.2004.11.001 |
0.386 |
|
| 2003 |
Zhong Z, Helinski D, Toukdarian A. A specific region in the N terminus of a replication initiation protein of plasmid RK2 is required for recruitment of Pseudomonas aeruginosa DnaB helicase to the plasmid origin. The Journal of Biological Chemistry. 278: 45305-10. PMID 12952979 DOI: 10.1074/Jbc.M306058200 |
0.449 |
|
| 2003 |
Jiang Y, Pacek M, Helinski DR, Konieczny I, Toukdarian A. A multifunctional plasmid-encoded replication initiation protein both recruits and positions an active helicase at the replication origin. Proceedings of the National Academy of Sciences of the United States of America. 100: 8692-7. PMID 12835421 DOI: 10.1073/pnas.1532393100 |
0.433 |
|
| 2003 |
Zhong Z, Caspi R, Helinski D, Knauf V, Sykes S, O'Byrne C, Shea TP, Wilkinson JE, DeLoughery C, Toukdarian A. Nucleotide sequence based characterizations of two cryptic plasmids from the marine bacterium Ruegeria isolate PR1b. Plasmid. 49: 233-52. PMID 12749836 DOI: 10.1016/S0147-619X(03)00014-3 |
0.474 |
|
| 2002 |
Jiang Y, Pogliano J, Helinski DR, Konieczny I. ParE toxin encoded by the broad-host-range plasmid RK2 is an inhibitor of Escherichia coli gyrase. Molecular Microbiology. 44: 971-9. PMID 12010492 DOI: 10.1046/J.1365-2958.2002.02921.X |
0.396 |
|
| 2002 |
Zhong Z, Caspi R, Mincer T, Helinski D, Knauf V, Boardman K, Wilkinson JE, Shea T, DeLoughery C, Toukdarian A. A 50-kb plasmid rich in mobile gene sequences isolated from a marine micrococcus. Plasmid. 47: 1-9. PMID 11798280 DOI: 10.1006/Plas.2001.1550 |
0.377 |
|
| 2001 |
Zhong Z, Toukdarian A, Helinski D, Knauf V, Sykes S, Wilkinson JE, O'Bryne C, Shea T, DeLoughery C, Caspi R. Sequence analysis of a 101-kilobase plasmid required for agar degradation by a Microscilla isolate. Applied and Environmental Microbiology. 67: 5771-9. PMID 11722934 DOI: 10.1128/Aem.67.12.5771-5779.2001 |
0.381 |
|
| 2001 |
Caspi R, Pacek M, Consiglieri G, Helinski DR, Toukdarian A, Konieczny I. A broad host range replicon with different requirements for replication initiation in three bacterial species. The Embo Journal. 20: 3262-71. PMID 11406602 DOI: 10.1093/emboj/20.12.3262 |
0.382 |
|
| 2000 |
Caspi R, Helinski DR, Pacek M, Konieczny I. Interactions of DnaA proteins from distantly related bacteria with the replication origin of the broad host range plasmid RK2. The Journal of Biological Chemistry. 275: 18454-61. PMID 10749858 DOI: 10.1074/jbc.M000552200 |
0.323 |
|
| 1999 |
Johnson EP, Mincer T, Schwab H, Burgin AB, Helinski DR. Plasmid RK2 ParB protein: purification and nuclease properties. Journal of Bacteriology. 181: 6010-8. PMID 10498713 DOI: 10.1128/Jb.181.19.6010-6018.1999 |
0.4 |
|
| 1999 |
Doran KS, Helinski DR, Konieczny I. Host-dependent requirement for specific DnaA boxes for plasmid RK2 replication. Molecular Microbiology. 33: 490-8. PMID 10417640 DOI: 10.1046/j.1365-2958.1999.01491.x |
0.387 |
|
| 1999 |
Doran KS, Helinski DR, Konieczny I. A critical DnaA box directs the cooperative binding of the Escherichia coli DnaA protein to the plasmid RK2 replication origin. The Journal of Biological Chemistry. 274: 17918-23. PMID 10364238 DOI: 10.1074/jbc.274.25.17918 |
0.317 |
|
| 1998 |
Toukdarian AE, Helinski DR. TrfA dimers play a role in copy-number control of RK2 replication. Gene. 223: 205-11. PMID 9858734 DOI: 10.1016/S0378-1119(98)00370-9 |
0.355 |
|
| 1998 |
Sobecky PA, Mincer TJ, Chang MC, Toukdarian A, Helinski DR. Isolation of broad-host-range replicons from marine sediment bacteria. Applied and Environmental Microbiology. 64: 2822-30. PMID 9687436 DOI: 10.1128/Aem.64.8.2822-2830.1998 |
0.305 |
|
| 1998 |
Doran KS, Konieczny I, Helinski DR. Replication origin of the broad host range plasmid RK2. Positioning of various motifs is critical for initiation of replication. The Journal of Biological Chemistry. 273: 8447-53. PMID 9525957 DOI: 10.1074/jbc.273.14.8447 |
0.399 |
|
| 1997 |
Konieczny I, Helinski DR. Helicase delivery and activation by DnaA and TrfA proteins during the initiation of replication of the broad host range plasmid RK2. The Journal of Biological Chemistry. 272: 33312-8. PMID 9407123 DOI: 10.1074/jbc.272.52.33312 |
0.359 |
|
| 1997 |
Konieczny I, Helinski DR. The replication initiation protein of the broad-host-range plasmid RK2 is activated by the ClpX chaperone. Proceedings of the National Academy of Sciences of the United States of America. 94: 14378-82. PMID 9405620 DOI: 10.1073/pnas.94.26.14378 |
0.364 |
|
| 1997 |
Konieczny I, Doran KS, Helinski DR, Blasina A. Role of TrfA and DnaA proteins in origin opening during initiation of DNA replication of the broad host range plasmid RK2. The Journal of Biological Chemistry. 272: 20173-8. PMID 9242693 DOI: 10.1074/jbc.272.32.20173 |
0.393 |
|
| 1996 |
Toukdarian AE, Helinski DR, Perri S. The plasmid RK2 initiation protein binds to the origin of replication as a monomer. The Journal of Biological Chemistry. 271: 7072-8. PMID 8636140 DOI: 10.1074/jbc.271.12.7072 |
0.355 |
|
| 1996 |
Blasina A, Kittell BL, Toukdarian AE, Helinski DR. Copy-up mutants of the plasmid RK2 replication initiation protein are defective in coupling RK2 replication origins. Proceedings of the National Academy of Sciences of the United States of America. 93: 3559-64. PMID 8622975 DOI: 10.1073/pnas.93.8.3559 |
0.342 |
|
| 1996 |
Sobecky PA, Easter CL, Bear PD, Helinski DR. Characterization of the stable maintenance properties of the par region of broad-host-range plasmid RK2. Journal of Bacteriology. 178: 2086-93. PMID 8606188 DOI: 10.1128/Jb.178.7.2086-2093.1996 |
0.301 |
|
| 1994 |
Cereghino JL, Helinski DR, Toukdarian AE. Isolation and characterization of DNA-binding mutants of a plasmid replication initiation protein utilizing an in vivo binding assay. Plasmid. 31: 89-99. PMID 8171128 DOI: 10.1006/plas.1994.1009 |
0.305 |
|
| 1993 |
Perri S, Helinski DR. DNA sequence requirements for interaction of the RK2 replication initiation protein with plasmid origin repeats. The Journal of Biological Chemistry. 268: 3662-9. PMID 8429042 |
0.315 |
|
| 1993 |
Cereghino JL, Helinski DR. Essentiality of the three carboxyl-terminal amino acids of the plasmid RK2 replication initiation protein TrfA for DNA binding and replication activity in gram-negative bacteria. The Journal of Biological Chemistry. 268: 24926-32. PMID 8227054 |
0.386 |
|
| 1993 |
Fang FC, Durland RH, Helinski DR. Mutations in the gene encoding the replication-initiation protein of plasmid RK2 produce elevated copy numbers of RK2 derivatives in Escherichia coli and distantly related bacteria. Gene. 133: 1-8. PMID 8224880 DOI: 10.1016/0378-1119(93)90217-Q |
0.355 |
|
| 1992 |
Lin J, Helinski DR. Analysis of mutations in trfA, the replication initiation gene of the broad-host-range plasmid RK2. Journal of Bacteriology. 174: 4110-9. PMID 1597426 |
0.372 |
|
| 1992 |
Davis TL, Helinski DR, Roberts RC. Transcription and autoregulation of the stabilizing functions of broad-host-range plasmid RK2 in Escherichia coli, Agrobacterium tumefaciens and Pseudomonas aeruginosa. Molecular Microbiology. 6: 1981-94. PMID 1508045 DOI: 10.1111/j.1365-2958.1992.tb01371.x |
0.314 |
|
| 1991 |
Perri S, Helinski DR, Toukdarian A. Interactions of plasmid-encoded replication initiation proteins with the origin of DNA replication in the broad host range plasmid RK2. The Journal of Biological Chemistry. 266: 12536-43. PMID 2061326 |
0.416 |
|
| 1991 |
Kittell BL, Helinski DR. Iteron inhibition of plasmid RK2 replication in vitro: evidence for intermolecular coupling of replication origins as a mechanism for RK2 replication control. Proceedings of the National Academy of Sciences of the United States of America. 88: 1389-93. PMID 1996339 |
0.358 |
|
| 1991 |
Fang FC, Helinski DR. Broad-host-range properties of plasmid RK2: importance of overlapping genes encoding the plasmid replication initiation protein TrfA. Journal of Bacteriology. 173: 5861-8. PMID 1885553 |
0.349 |
|
| 1990 |
Greener A, Filutowicz MS, McEachern MJ, Helinski DR. N-terminal truncated forms of the bifunctional pi initiation protein express negative activity on plasmid R6K replication. Molecular & General Genetics : Mgg. 224: 24-32. PMID 2277631 DOI: 10.1007/BF00259447 |
0.694 |
|
| 1990 |
Durland RH, Toukdarian A, Fang F, Helinski DR. Mutations in the trfA replication gene of the broad-host-range plasmid RK2 result in elevated plasmid copy numbers. Journal of Bacteriology. 172: 3859-67. PMID 2193921 |
0.371 |
|
| 1990 |
Durland RH, Helinski DR. Replication of the broad-host-range plasmid RK2: direct measurement of intracellular concentrations of the essential TrfA replication proteins and their effect on plasmid copy number. Journal of Bacteriology. 172: 3849-58. PMID 2193920 |
0.348 |
|
| 1989 |
McEachern MJ, Bott MA, Tooker PA, Helinski DR. Negative control of plasmid R6K replication: possible role of intermolecular coupling of replication origins. Proceedings of the National Academy of Sciences of the United States of America. 86: 7942-6. PMID 2682632 |
0.388 |
|
| 1988 |
Stanfield SW, Ielpi L, O'Brochta D, Helinski DR, Ditta GS. The ndvA gene product of Rhizobium meliloti is required for beta-(1----2)glucan production and has homology to the ATP-binding export protein HlyB. Journal of Bacteriology. 170: 3523-30. PMID 3042754 DOI: 10.1128/Jb.170.8.3523-3530.1988 |
0.31 |
|
| 1987 |
Filutowicz M, McEachern MJ, Mukhopadhyay P, Greener A, Yang SL, Helinski DR. DNA and protein interactions in the regulation of plasmid replication. Journal of Cell Science. Supplement. 7: 15-31. PMID 3332651 DOI: 10.1242/Jcs.1987.Supplement_7.2 |
0.718 |
|
| 1987 |
Durland RH, Helinski DR. The sequence encoding the 43-kilodalton trfA protein is required for efficient replication or maintenance of minimal RK2 replicons in Pseudomonas aeruginosa. Plasmid. 18: 164-9. PMID 2829253 DOI: 10.1016/0147-619X(87)90044-8 |
0.372 |
|
| 1986 |
Filutowicz M, McEachern MJ, Helinski DR. Positive and negative roles of an initiator protein at an origin of replication. Proceedings of the National Academy of Sciences of the United States of America. 83: 9645-9. PMID 3540947 DOI: 10.1073/Pnas.83.24.9645 |
0.673 |
|
| 1986 |
Mukhopadhyay P, Filutowicz M, Helinski DR. Replication from one of the three origins of the plasmid R6K requires coupled expression of two plasmid-encoded proteins. The Journal of Biological Chemistry. 261: 9534-9. PMID 3013894 |
0.656 |
|
| 1986 |
Filutowicz M, Uhlenhopp E, Helinski DR. Binding of purified wild-type and mutant pi initiation proteins to a replication origin region of plasmid R6K. Journal of Molecular Biology. 187: 225-39. PMID 3009827 DOI: 10.1016/0022-2836(86)90230-5 |
0.716 |
|
| 1985 |
Filutowicz M, Davis G, Greener A, Helinski DR. Autorepressor properties of the pi-initiation protein encoded by plasmid R6K. Nucleic Acids Research. 13: 103-14. PMID 3923429 DOI: 10.1093/Nar/13.1.103 |
0.696 |
|
| 1985 |
Shafferman A, Helinski DR. Transcription signals in a region essential for replication of plasmid R6K. Plasmid. 13: 51-8. PMID 3887441 DOI: 10.1016/0147-619X(85)90055-1 |
0.344 |
|
| 1985 |
McEachern MJ, Filutowicz M, Helinski DR. Mutations in direct repeat sequences and in a conserved sequence adjacent to the repeats result in a defective replication origin in plasmid R6K. Proceedings of the National Academy of Sciences of the United States of America. 82: 1480-4. PMID 3883361 DOI: 10.1073/Pnas.82.5.1480 |
0.663 |
|
| 1985 |
Filutowicz M, McEachern M, Greener A, Mukhopadhyay P, Uhlenhopp E, Durland R, Helinski D. Role of the pi initiation protein and direct nucleotide sequence repeats in the regulation of plasmid R6K replication. Basic Life Sciences. 30: 125-40. PMID 2990404 DOI: 10.1007/978-1-4613-2447-8_13 |
0.688 |
|
| 1983 |
Schmidhauser TJ, Filutowicz M, Helinski DR. Replication of derivatives of the broad host range plasmid RK2 in two distantly related bacteria Plasmid. 9: 325-330. PMID 6346358 DOI: 10.1016/0147-619X(83)90010-0 |
0.652 |
|
| 1983 |
Stalker DM, Filutowicz M, Helinski DR. Release of initiation control by a mutational alteration in the R6K π protein required for plasmid DNA replication Proceedings of the National Academy of Sciences of the United States of America. 80: 5500-5504. PMID 6310578 DOI: 10.1073/Pnas.80.18.5500 |
0.7 |
|
| 1983 |
Better M, Helinski DR. Isolation and characterization of the recA gene of Rhizobium meliloti Journal of Bacteriology. 155: 311-316. PMID 6305915 |
0.319 |
|
| 1982 |
Leong SA, Ditta GS, Helinski DR. Heme biosynthesis in Rhizobium. Identification of a cloned gene coding for delta-aminolevulinic acid synthetase from Rhizobium meliloti Journal of Biological Chemistry. 257: 8724-8730. PMID 7096330 |
0.303 |
|
| 1982 |
Shafferman A, Kolter R, Stalker D, Helinski DR. Plasmid R6K DNA replication. III. Regulatory properties of the pi initiation protein. Journal of Molecular Biology. 161: 57-76. PMID 6818353 DOI: 10.1016/0022-2836(82)90278-9 |
0.697 |
|
| 1982 |
Stalker DM, Kolter R, Helinski DR. Plasmid R6K DNA replication. I. Complete nucleotide sequence of an autonomously replicating segment. Journal of Molecular Biology. 161: 33-43. PMID 6759660 DOI: 10.1016/0022-2836(82)90276-5 |
0.708 |
|
| 1982 |
Kolter R, Helinski DR. Plasmid R6K DNA replication. II. Direct nucleotide sequence repeats are required for an active gamma-origin. Journal of Molecular Biology. 161: 45-56. PMID 6296394 DOI: 10.1016/0022-2836(82)90277-7 |
0.667 |
|
| 1982 |
Helinski D. Plasmids as vectors for gene cloning: past, present, and future use Basic Life Sciences. 19: 5-24. PMID 6279087 DOI: 10.1007/978-1-4684-4142-0_3 |
0.316 |
|
| 1981 |
Stalker DM, Thomas CM, Helinski DR. Nucleotide sequence of the region of the origin of replication of the broad host range plasmid RK2 Mgg Molecular & General Genetics. 181: 8-12. PMID 6261086 DOI: 10.1007/BF00338997 |
0.304 |
|
| 1980 |
Ditta G, Stanfield S, Corbin D, Helinski DR. Broad host range DNA cloning system for Gram-negative bacteria: Construction of a gene bank of Rhizobium meliloti Proceedings of the National Academy of Sciences of the United States of America. 77: 7347-7351. PMID 7012838 DOI: 10.1073/Pnas.77.12.7347 |
0.352 |
|
| 1980 |
Thomas CM, Meyer R, Helinski DR. Regions of broad-host-range plasmid RK2 which are essential for replication and maintenance Journal of Bacteriology. 141: 213-222. PMID 6243621 DOI: 10.1128/jb.141.1.213-222.1980 |
0.331 |
|
| 1979 |
Kolter R, Helinski DR. Regulation of initiation of DNA replication. Annual Review of Genetics. 13: 355-91. PMID 395895 DOI: 10.1146/Annurev.Ge.13.120179.002035 |
0.688 |
|
| 1979 |
Guiney DG, Helinski DR. The DNa-protein relaxation complex of the plasmid RK2: Location of the site-specific nick in the region of the proposed origin of transfer Mgg Molecular & General Genetics. 176: 183-189. PMID 393953 DOI: 10.1007/BF00273212 |
0.338 |
|
| 1979 |
Kahn ML, Figurski D, Ito L, Helinski DR. Essential regions for replication of a stringent and a relaxed plasmid in Escherichia coli Cold Spring Harbor Symposia On Quantitative Biology. 43: 99-103. PMID 383389 |
0.319 |
|
| 1979 |
Kolter R, Inuzuka M, Figurski D, Thomas C, Stalker D, Helinski DR. Plasmid DNA replication: RK2- and R6K-encoded trans-acting factors and their sites of action. Cold Spring Harbor Symposia On Quantitative Biology. 43: 91-7. PMID 383388 DOI: 10.1101/Sqb.1979.043.01.014 |
0.662 |
|
| 1979 |
Figurski DH, Helinski DR. Replication of an origin-containing derivative of plasmid RK2 dependent on a plasmid function provided in trans Proceedings of the National Academy of Sciences of the United States of America. 76: 1648-1652. PMID 377280 DOI: 10.1073/Pnas.76.4.1648 |
0.305 |
|
| 1979 |
Stalker DM, Kolter R, Helinski DR. Nucleotide sequence of the region of an origin of replication of the antibiotic resistance plasmid R6K. Proceedings of the National Academy of Sciences of the United States of America. 76: 1150-4. PMID 375227 DOI: 10.1073/Pnas.76.3.1150 |
0.691 |
|
| 1979 |
Bernard HU, Remaut E, Hershfield MV, Das HK, Helinski DR, Yanofsky C, Franklin N. Construction of plasmid cloning vehicles that promote gene expression from the bacteriophage lambda pL promoter. Gene. 5: 59-76. PMID 372049 DOI: 10.1016/0378-1119(79)90092-1 |
0.633 |
|
| 1979 |
Kahn M, Kolter R, Thomas C, Figurski D, Meyer R, Remaut E, Helinski DR. Plasmid cloning vehicles derived from plasmids ColE1, F, R6K, and RK2. Methods in Enzymology. 68: 268-80. PMID 232215 DOI: 10.1016/0076-6879(79)68019-9 |
0.631 |
|
| 1979 |
Helinski DR. Bacterial plasmids: Autonomous replication and vehicles for gene clonin Critical Reviews in Biochemistry and Molecular Biology. 7: 83-101. PMID 115636 DOI: 10.3109/10409237909102571 |
0.347 |
|
| 1979 |
Eichenlaub R, Sparks RB, Helinski DR. Bidirectional replication of the mini-ColE1 plasmid pVH51. Journal of Bacteriology. 138: 257-260. DOI: 10.1128/jb.138.1.257-260.1979 |
0.311 |
|
| 1978 |
Kolter R, Inuzuka M, Helinski DR. Trans-complementation-dependent replication of a low molecular weight origin fragment from plasmid R6K. Cell. 15: 1199-208. PMID 728998 DOI: 10.1016/0092-8674(78)90046-6 |
0.696 |
|
| 1978 |
Kolter R, Helinski DR. Construction of plasmid R6K derivatives in vitro: characterization of the R6K replication region. Plasmid. 1: 571-80. PMID 372982 DOI: 10.1016/0147-619X(78)90014-8 |
0.677 |
|
| 1978 |
Collins J, Yanofsky S, Helinski DR. Altered DNA-protein relaxation complex in a replication mutant of plasmid ColE1 Mgg Molecular & General Genetics. 167: 21-28. PMID 368585 DOI: 10.1007/BF00270317 |
0.312 |
|
| 1978 |
Inuzuka M, Helinski DR. Requirement of a plasmid-encoded protein for replication in vitro of plasmid R6K Proceedings of the National Academy of Sciences of the United States of America. 75: 5381-5385. PMID 364478 |
0.397 |
|
| 1978 |
Kolter R, Helinski DR. Activity of the replication terminus of plasmid R6K in hybrid replicons in Escherichia coli. Journal of Molecular Biology. 124: 425-41. PMID 361971 DOI: 10.1016/0022-2836(78)90180-8 |
0.682 |
|
| 1978 |
Inuzuka M, Helinski DR. Replication of antibiotic resistance plasmid R6K DNA in vitro Biochemistry. 17: 2567-2573. PMID 354690 |
0.317 |
|
| 1978 |
Kahn M, Helinski DR. Construction of a novel plasmid-phage hybrid: Use of the hybrid to demonstrate ColE1 DNA replication in vivo in the absence of a ColE1-specified protein Proceedings of the National Academy of Sciences of the United States of America. 75: 2200-2204. PMID 276860 |
0.327 |
|
| 1977 |
Meyer R, Figurski D, Helinski DR. Physical and genetic studies with restriction endonucleases on the broad host-range plasmid RK2 Mgg Molecular & General Genetics. 152: 129-135. PMID 327269 DOI: 10.1007/BF00268809 |
0.349 |
|
| 1977 |
Katz L, Williams PH, Sato S, Leavitt RW, Helinski DR. Purification and characterization of covalently closed replicative intermediates of ColEl DNA from Escherichia coli Biochemistry. 16: 1677-1683. |
0.355 |
|
| 1976 |
Helinski DR. Plasmids: introductory remarks Federation Proceedings. 35: 2024-2025. PMID 1064555 |
0.311 |
|
| 1976 |
Figurski D, Meyer R, Miller DS, Helinski DR. Generation in vitro of deletions in the broad host range plasmid RK2 using phage Mu insertions and a restriction endonuclease Gene. 1: 107-119. PMID 1052320 DOI: 10.1016/0378-1119(76)90010-X |
0.305 |
|
| 1976 |
Hershfield V, Boyer HW, Chow L, Helinski DR. Characterization of a mini-ColC1 plasmid. Journal of Bacteriology. 126: 447-53. PMID 770430 |
0.354 |
|
| 1975 |
Lovett MA, Sparks RB, Helinski DR. Bidirectional replication of plasmid R6K DNA in Escherichia coli; correspondence between origin of replication and position of single-strand break in relaxed complex. Proceedings of the National Academy of Sciences of the United States of America. 72: 2905-9. PMID 1103126 |
0.348 |
|
| 1975 |
Lovett MA, Helinski DR. Relaxation complexes of plasmid DNA and protein. II. Characterization of the proteins associated with the unrelaxed and relaxed complexes of plasmid ColE1. The Journal of Biological Chemistry. 250: 8790-5. PMID 1102544 |
0.33 |
|
| 1974 |
Hershfield V, Boyer HW, Yanofsky C, Lovett MA, Helinski DR. Plasmid ColEl as a molecular vehicle for cloning and amplification of DNA. Proceedings of the National Academy of Sciences of the United States of America. 71: 3455-9. PMID 4610576 DOI: 10.1073/Pnas.71.9.3455 |
0.669 |
|
| 1974 |
Lovett MA, Guiney DG, Helinski DR. Relaxation complexes of plasmids ColE1 and ColE2: unique site of the nick in the open circular DNA of the relaxed complexes. Proceedings of the National Academy of Sciences of the United States of America. 71: 3854-7. PMID 4610563 |
0.306 |
|
| 1974 |
Lovett MA, Katz L, Helinski DR. Unidirectional replication of plasmid ColE1 DNA. Nature. 251: 337-40. PMID 4610399 |
0.304 |
|
| 1973 |
Helinski DR, Blair DG, Sherratt DJ, Lovett M, Kupersztoch Y, Kingsbury DT. Replication of plasmid supercoiled DNA. Johns Hopkins Medical Journal. Supplement. 2: 15-34. PMID 4607019 |
0.303 |
|
| 1973 |
Kingsbury DT, Helinski DR. Temperature-sensitive mutants for the replication of plasmids in Escherichia coli: requirement for deoxyribonucleic acid polymerase I in the replication of the plasmid ColE 1 Journal of Bacteriology. 114: 1116-1124. PMID 4576398 |
0.356 |
|
| 1973 |
Kingsbury DT, Sieckmann DG, Helinski DR. Temperature sensitive mutants for the replication of plasmids in Escherichia coli. II. Properties of host and plasmid mutations Genetics. 74: 1-16. PMID 4576230 |
0.302 |
|
| 1973 |
Katz L, Kingsbury DT, Helinski DR. Stimulation by cyclic adenosine monophosphate of plasmid deoxyribonucleic acid replication and catabolite repression of the plasmid deoxyribonucleic acid-protein relaxation complex Journal of Bacteriology. 114: 577-591. PMID 4350343 |
0.368 |
|
| 1972 |
Blair DG, Sherratt DJ, Clewell DB, Helinski DR. Isolation of supercoiled colicinogenic factor E 1 DNA sensitive to ribonuclease and alkali Proceedings of the National Academy of Sciences of the United States of America. 69: 2518-2522. PMID 4560690 DOI: 10.1073/Pnas.69.9.2518 |
0.595 |
|
| 1972 |
Clewell DB, Helinski DR. Effect of growth conditions on the formation of the relaxation complex of supercoiled ColE1 deoxyribonucleic acid and protein in Escherichia coli Journal of Bacteriology. 110: 1135-1146. PMID 4555406 DOI: 10.1128/Jb.110.3.1135-1146.1972 |
0.611 |
|
| 1971 |
Helinski DR, Clewell DB. Circular DNA Annual Review of Biochemistry. 40: 899-942. PMID 4942224 |
0.552 |
|
| 1971 |
Blair DG, Clewell DB, Sheratt DJ, Helinski DR. Strand-specific supercoiled DNA-protein relaxation complexes: comparison of the complexes of bacterial plasmids ColE1 and ColE2 Proceedings of the National Academy of Sciences of the United States of America. 68: 210-214. PMID 4924969 DOI: 10.1073/Pnas.68.1.210 |
0.589 |
|
| 1970 |
Clewell DB, Helinski DR. Evidence for the existence of the colicinogenic factors E2 and E3 as supercoiled circular dna-protein relaxation complexes Biochemical and Biophysical Research Communications. 40: 608-613. PMID 4923716 DOI: 10.1016/0006-291X(70)90947-2 |
0.588 |
|
| 1970 |
Kingsbury DT, Helinski DR. DNA polymerase as a requirement for the maintenance of the bacterial plasmid colicinogenic factor E1 Biochemical and Biophysical Research Communications. 41: 1538-1544. PMID 4922634 DOI: 10.1016/0006-291X(70)90562-0 |
0.317 |
|
| 1970 |
Clewell DB, Helinski DR. Properties of a supercoiled deoxyribonucleic acid-protein relaxation complex and strand specificity of the relaxation event Biochemistry. 9: 4428-4440. PMID 4919547 |
0.532 |
|
| 1970 |
Clewell DB, Helinski DR. Existence of the colicinogenic factor-sex factor coli-P9 as a supercoiled circular DNA-protein relaxation complex Biochemical and Biophysical Research Communications. 41: 150-156. PMID 4918011 DOI: 10.1016/0006-291X(70)90481-X |
0.566 |
|
| 1970 |
Bazaral M, Helinski DR. Replication of a bacterial plasmid and an episome in Escherichia coli Biochemistry. 9: 399-406. PMID 4904868 |
0.313 |
|
| 1969 |
Clewell DB, Helinski DR. Supercoiled circular DNA-protein complex in Escherichia coli: purification and induced conversion to an opern circular DNA form Proceedings of the National Academy of Sciences of the United States of America. 62: 1159-1166. PMID 4894690 DOI: 10.1073/Pnas.62.4.1159 |
0.594 |
|
| 1967 |
Helinski DR, Herschman HR. Effect of Rec mutations on the activity of colicinogenic factors. Journal of Bacteriology. 94: 700-6. PMID 5340681 |
0.434 |
|
| 1967 |
Herschman HR, Helinski DR. Comparative study of the events associated with colicin induction. Journal of Bacteriology. 94: 691-9. PMID 5340680 |
0.451 |
|
| 1967 |
Roth TF, Helinski DR. Evidence for circular DNA forms of a bacterial plasmid. Proceedings of the National Academy of Sciences of the United States of America. 58: 650-7. PMID 5233464 DOI: 10.1073/pnas.58.2.650 |
0.301 |
|
| 1967 |
Herschman HR, Helinski DR. Purification and characterization of colicin E2 and colicin E3. The Journal of Biological Chemistry. 242: 5360-8. PMID 4965137 |
0.43 |
|
| 1966 |
Creighton TE, Helinski DR, Somerville RL, Yanofsky C. Comparison of the tryptophan synthetase alpha-subunits of several species of Enterobacteriaceae. Journal of Bacteriology. 91: 1819-26. PMID 5327908 DOI: 10.1128/Jb.91.5.1819-1826.1966 |
0.69 |
|
| 1966 |
Creighton TE, Helinski DR, Somerville RL, Yanofsky C. Comparison of the Tryptophan Synthetase α Subunits of Several Species of Enterobacteriaceae Journal of Bacteriology. 91: 1819-1826. DOI: 10.1128/jb.91.5.1819-1826.1966 |
0.658 |
|
| 1964 |
YANOFSKY C, CARLTON BC, GUEST JR, HELINSKI DR, HENNING U. ON THE COLINEARITY OF GENE STRUCTURE AND PROTEIN STRUCTURE. Proceedings of the National Academy of Sciences of the United States of America. 51: 266-72. PMID 14124325 DOI: 10.1073/Pnas.51.2.266 |
0.563 |
|
| 1963 |
YANOFSKY C, HENNING U, HELINSKI D, CARLTON B. Mutational alteration of protein structure. Federation Proceedings. 22: 75-9. PMID 14002474 |
0.569 |
|
| 1963 |
HELINSKI DR, YANOFSKY C. A genetic and biochemical analysis of second site reversion. The Journal of Biological Chemistry. 238: 1043-8. PMID 13953567 |
0.519 |
|
| 1962 |
HELINSKI DR, YANOFSKY C. Peptide pattern studies on the wild-type A protein of the tryptophan synthetase of Escherichia coli. Biochimica Et Biophysica Acta. 63: 10-9. PMID 13953568 DOI: 10.1016/0006-3002(62)90333-5 |
0.583 |
|
| 1962 |
HENNING U, HELINSKI DR, CHAO FC, YANOFSKY C. The A protein of the tryptophan synthetase of Escherichia coli. Purification, crystallization, and composition studies. The Journal of Biological Chemistry. 237: 1523-30. PMID 13906502 |
0.582 |
|
| 1962 |
HELINSKI DR, YANOFSKY C. Correspondence between genetic data and the position of amino acid alteration in a proein. Proceedings of the National Academy of Sciences of the United States of America. 48: 173-83. PMID 13906211 DOI: 10.1073/Pnas.48.2.173 |
0.527 |
|
| 1961 |
YANOFSKY C, HELINSKI DR, MALING BD. The effects of mutation on the composition and properties of the A protein of Escherichia coli tryptohan synthetase. Cold Spring Harbor Symposia On Quantitative Biology. 26: 11-24. PMID 14008999 DOI: 10.1101/Sqb.1961.026.01.006 |
0.595 |
|
| 1960 |
HELINSKI DR, COOPER C. Studies on the action of bovine serum albumin on aged rat livermitochondria. The Journal of Biological Chemistry. 235: 3573-9. PMID 13713081 |
0.529 |
|
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