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 XXXIII: Replication of DNA in Micro-organisms 1968 |
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Dr. James Watson  SYMPOSIUM SYNOPSIS LIST OF PARTICIPANTS CONTENTS OF SYMPOSIUM VOLUME PHOTOGRAPHS PUBLISHED VOLUME  |
Replication of DNA in Micro-organisms
Symposium Volume XXXIII Contents
Foreword v
List of Previous Volumes vi
Photographs of Some Symposium Participants vii
List of Those Attending the Symposium xi
REPLICATION OF NUCLEIC ACIDS
ENGLUND, P. T., M. P. DEUTSCHER, T. M. JOVIN, R. B. KELLY, N. R. COZZARELLI, and A. KORNBERG: Structural and functional properties of Eseherichia coli DNA polymerase 1
GOULIAN, M.: Initiation of the replication of single-stranded DNA by Eseherichia coli DNA polymerase 11
GELLERT, M., J. W. LITTLE, C. K. OSHINSKY, and S. B. ZIMMERMAN: Joining of DNA strands by DNA ligase of E. coli 21
OLIVERA, B. M., Z. W. HALL, Y. ANRAKU, J. R. CHIEN, and I. R. LEHMAN: On the mechanism of the polynucleotide joining reaction 27
KHORANA, H. G., H. BÜCHI, M. H. CARUTHERS, S. H. CHANG, N. K. GUPTA, A. KUMAR, E. OHTSUKA, V. SGARAMELLA, and H. WEBER: Progress in the total synthesis of the gene for ala-Trna 35
GANESAN, A. T.: Studies on in vitro replication of Bacillus subtilis DNA 45
BAUTZ, E. K. F., F. A. BAUTZ, and W. RPGER: A biological assay for in vitro repair of phage T4 DNA 59
ROSENBERG, B. H., and L. F. CAVALIERI: Shear sensitivity of the E. coli genome: Multiple membrane attachment points of the E. coli DNA 65
AUGUST, J. T., A. K. BANERJEE, L. EOYANG, M. T. F. DE FERNANDEZ, K. HORI, C. H. KUO, U. RENSING, and L. SHAPIRO: Synthesis of bacterio- phage Qb RNA 73
WEISSMANN, C., G. FEIX, H. SLOR: In vitro synthesis of phage RNA: the nature of the intermediates 83
SPIEGELMAN, S., N. R. PACE, D. R. MILLS, R. LEVISOHN, T. S. EIKHOM, M. M. TAYLOR, R. L. PETERSON, and D. H. L. BlSHOP: The mechanism of RNA replication 101
MARINO, P., M. I. BALDI, and G. P. TOCCHINI-VALENTINI: Effect of Rifampicin on DNA-dependent RNA polymerase and on RNA phage growth 125
INTERMEDIATES IN DNA SYNTHESIS
OKAZAKI, R., T. OKAZAKI, K. SAKABE, K. SUGIMOTO, R. KAINUMA, A. SUGINO, and N. IWATSUKI: In vivo mechanism of DNA chain growth 129
NEWMAN, J., and P. HANAWALT: Intermediates in T4 DNA replication in a T4 ligase deficient strain 145
RICHARDSON, C. C., Y. MASAMUNE, T. R. LIVE, A. JACQUEMIN-SABLON, B. WEISS, and G. FAREED: Studies on the joining of DNA by polynucleotide ligase of phage T4 151
SADOWSKI, P., B. GINSBERG, A. YUDELEVICH, L. FEINER, and J. HURWITZ: Enzymatic mechanisms of the repair and breakage of DNA 165
KIDSON, C.: Analysis of DNA fine secondary structure in relation to replication and transcription 179
REPAIR OF DNA
HANAWALT, P. C., D. E. PETTIJOHN, E. C. PAULING, C. F. BRUNK, D. W. SMITH, L. C. KANNER, and J. L. COUCH: Repair replication of DNA in vivo 187
HOWARD-FLANDERS, P., W. D. RUPP, B. M. WILKINS, and R. S. COLE: DNA replication and recombination after UV-irradiation 195
SETLOW, J. K., M. L. RANDOLPH, M. E. BOLING, A. MATTINGLY, G. PRICE, and M. P. GORDON: Repair of DNA in Haemophilus influenzae. II. Excision, repair of single-strand breaks, defects in transformation and host-cell modification in UV-sensitive mutants 209
TAKAGI, Y., M. SEKIGUCHI, S. OKUBO, H. NAKAYAMA, K. SHIMADA, S. YASUDA, T. MISHIMOTO, and H. YOSHIHARA: Nucleases specific for ultraviolet light- irradiated DNA and their possible role in dark repair 219
GROSSMAN, L., J. KAPLAN, S. KUSHNER, and I. MAHLER: Enzymes involved in the early stages of repair of ultraviolet-irradiated DNA 229
GANESAN, A. K., and K. C. SMITH: Recovery of recombination-deficient mutants of Escherichia coli K-12 from ultraviolet irradiation 235
TOMIZAWA, J., and H. OGAWA: Breakage of DNA in Rec+ and Rec- bacteria by disintegration of radiophosphorus atoms in DNA and possible causes of pleiotropic effects of RecA mutation 243
STEINBERG, R. A.: Effects of 32P-decay on chromosome transfer by a radiation- sensitive Hfr strain of Escherichia coli 253
BUTTIN, G., and M. R. WRIGHT: Enzymatic DNA degradation in E. coli: Its relationship to synthetic processes at the chromosome level 259
FRIEDBERG, E. C., and D. A. GOLDTHWAIT. Endonuclease II of E. coli 271
STRAUSS, B M. COYLE, and M. ROBBINS: Alkylation damage and its repair 277
ALBERTS, B. M., F. J. AMODIO, M. JENKINS, E. D. GUTMAN, and F. L. FERRIS: Studies with DNA-cellulose chromatography. I. DNA-binding proteins from E. coli 289
GENETICS OF REPLICATION
GROSS, J. D., D. KARAMATA, and P. G. HEMPSTEAD: Temperature-sensitive mutants of B. subtilis defective in DNA synthesis 307
MENDELSON, N. H.: Can defective segregation prevent initiation? 313
KOHLYAMA, M.: DNA synthesis in temperature-sensitive mutants of Escherichia coli 317
BERNSTEIN, H.: Repair and recombination in phage T4. I. Genes affecting recombination 325
BALDY, M. W.: Repair and recombination in phage T4. II. Genes affecting UV sensitivity 333
DRAKE, J. W., and E. F. ALLEN: Antimutagenic DNA polymerases of bacterio- phage T4 339
SPEYER, J. F., and D. ROSENBERG: The function of T4 DNA polymerase 345
CHIU, C-S, and G. R. GREENBERG: Evidence for a possible direct role of dCMP hydroxymethylase in T4 phage DNA synthesis 351
MOSIG, G., R. EHRING, and E. O. DUERE: Replication and recombination of DNA fragments in bacteriophage T4 361
AMATI, P., and R. FAVEE: Phage DNA synthesis in bacteria infected with T4 light particles 371
KOZINSKI, A. W.: Molecular recombination in the ligase-negative T4 amber mutant 375
SESNOWITZ-HORN, S., and E. A. ADELBERG: Profiavin treatment of Escherichia coli: Generation of frameshift mutations 393
STRUCTURE OF REPLICATING DNA
DAVISON, P. F.: DNA replication: Physical factors 403
WANG, J. C., and N. DAVIDSON: Cyclization of phage DNAs 409
THOMAS, C. A., JR., T. KELLY, JR., and M. RHOADES: The intracellular forms of T7 and P22 DNA molecules 417
FREIFELDER, D.: Studies with Escherichia coli sex factors 425
HUDSON, B., D. A. CLAYTON, and J. VINOGRAD: Complex mitochondrial DNA 435
SINSHEIMER, R. L., R. KNIPPERS, and T. KOMANO: Stages in the replication of bacteriophage ØX174 DNA in vivo 443
DENHARDT, D. T., and A. B. BURGESS: DNA replication in vitro. I. Synthesis of single-stranded ØX174 DNA in crude lysates of ØX-infected E. coli 449
RUSH, M. G., and R. C. WARNER: Molecular recombination ma circular genome- ØX174 and S13 459
HSU, Y.: Regulation of the propagation of HR virus plasmid 467
GILBERT, W., and D. DRESSLER: DNA replication: the rolling circle model 473
FRANKEL, F. R.: DNA replication after T4 infection 485
FRANKEL, F. R., C. MAJUMDAR, S. WEINTRAUB, and D. M. FRANKEL: DNA polymerase and the cell membrane after T4 infection 495
WERNER, R.: Initiation and propagation of growing points in DNA of phage T4 501
HUBERMAN, J.: Visualization of replicating mammalian and T4 bacteriophage DNA 509
WEISSBACH, A., P. BARTL, and L. A. SALZMAN: The structure of replicative lambda DNA-electron microscope studies 525
TOMIZAWA, J., and T. OGAWA: Replication of phage lambda DNA 533
ORIGINS OF REPLICATION
NAGATA, T., and M. MESELSON: Periodic replication of DNA in steadily growing E. coli: the localized origin of replication 553
CARO, L. G., and C. M. BERG: Chromosome replication in some strains of Escherichia coli K12 559
WOLF, B., M. L. PATO, C. B. WARD, and D. A. GLASER: On the origin and direction of replication of the E. coli chromosome 575
VIELMETTER, W., W. MESSER, and A. SCHUTTE: Growth direction and segregation of the E. coli chromosome 585
CERDÁ-OLMEDA, E., and P. HANAWALT: The replication of Escherichia coli chromosome studied by sequential nitrosoguanadine mutagenesis 599
LEPECQ, J.-B., and R. L. BALDWIN: The starting point and direction of lDNA replication 609
MAKOVER, S.: A preferred origin for the replication of lambda DNA 621
BACTERIAL MATING
BONHOEFFER, F., and W. VIELMETTER: Conjugational DNA transfer in E. coli 623
FISHER, K. W., and M. B. FISHER: Nalidixic acid inhibition of DNA transfer in E. coli K12 629
COHEN, A., W. D. FISHER, R. CURTISS, III, and H. I. ADLER: The properties of DNA transferred to minicells during conjugation 635
GUILD, W. R., A. CATO, JR., and S. LACKS: Transformation and DNA size: two controlling parameters and the efficiency of the single strand intermediates 643
RUPP, W. D., and G. IHLER: Strand selection during bacterial mating 647
OHKI, M., and J. TOMIZAWA: Asymmetric transfer of DNA strands in bacterial conjugation 651
REPLICATION AND THE CELL MEMBRANE
BOTSTEIN, D., and M. LEVINE: Intermediates in the synthesis of phage P22 DNA 659
RYTER, A., Y. HIROTA, and F. JACOB: DNA-membrane complex and nuclear segregation in bacteria 669
HIROTA, Y., A. RYTER, and F. JACOB: Thermosensitive mutants of E. coli affected in the processes of DNA synthesis and cellular division 677
SUEOKA, N., and W. G. QUINN: Membrane attachment of the chromosome replication origin in Bacillus subtilis 695
EARHART, F., G. Y. TREMBLAY, M. J. DANIELS, and M. SCHAECHTER: DNA repli cation studied by a new method for the isolation of cell membrane-DNA complexes 707
REPLICATION OF TEMPERATE VIRUSES
SIGNER, E., H. ECHOLS, J. WEIL, C. RADDING, M. SHULMAN, L. MOORE, and K. MANLY: The general recombination system of bacteriophage l 711
SIGNER, E. and J. WElL: Site-specific recombination of bacteriophage l 715
GINGERY, R., and H. ECHOLS: Integration, excision, and transducing particle genesis by bacteriophage l 721
KAISER, A. D., and R. WU: Structure and function of DNA cohesive ends 729
GOTTESMAN, M., and M. YARMOLINSKY: The integration and excision of the bacteriophage lambda genome 735
MOUSSET, S., and R. THOMAS: Dilysogenic excision: an accessory expression of the termination function? 749
EISEN, H., L. H. PEREIRA DA SILVA, and F. JACOB: The regulation and mech- anism of DNA synthesis in bacteriophage lambda 755
CALEF, E., and Z. NEUBAUER: Active and inactive states of the CI gene in some l defective phages 765
MATSUBARA, K., and A. D. KAISER: l dv, an autonomously replicating DNA fragment 769
DULBECCO, R.: The state of the DNA of polyoma virus and 5V40 in transformed cells 777
ROSNER, J. L., L. R. KASS, and M. B. YARMOLINSKY: Parallel behavior of F and P1 in causing indirect induction of lysogenic bacteria 785
IKEDA, H., and J. TOMIZAWA: Prophage P1, an extrachromosomal replication unit 791
REGULATION OF REPLICATION
BIRD, R., and K. G. LARK: Initiation and termination of DNA replication after amino acid starvation of E. coli 15T- 799
HELMSTETTER, C. E., S. COOPER, O. PIERUCCI, and E. REVELAS: On the bacterial life sequence 809
CLARK, D. J.: The regulation of DNA replication and cell division in E. coli B/r 823
SGARAMELLA, V., S. SPADARI, and A. FALASCHI: Isolation of the hybrid between ribosomal RNA and DNA of Bacillus subtilis 839
YOSHIKAWA, H., and M. HAAS: On the regulation of the initiation of DNA replication in bacteria 843
SUMMARY
HOTCHKISS, R.: Metabolism and growth of gene substance: 1968 857
List of Previous Volumes vi
Photographs of Some Symposium Participants vii
List of Those Attending the Symposium xi
REPLICATION OF NUCLEIC ACIDS
ENGLUND, P. T., M. P. DEUTSCHER, T. M. JOVIN, R. B. KELLY, N. R. COZZARELLI, and A. KORNBERG: Structural and functional properties of Eseherichia coli DNA polymerase 1
GOULIAN, M.: Initiation of the replication of single-stranded DNA by Eseherichia coli DNA polymerase 11
GELLERT, M., J. W. LITTLE, C. K. OSHINSKY, and S. B. ZIMMERMAN: Joining of DNA strands by DNA ligase of E. coli 21
OLIVERA, B. M., Z. W. HALL, Y. ANRAKU, J. R. CHIEN, and I. R. LEHMAN: On the mechanism of the polynucleotide joining reaction 27
KHORANA, H. G., H. BÜCHI, M. H. CARUTHERS, S. H. CHANG, N. K. GUPTA, A. KUMAR, E. OHTSUKA, V. SGARAMELLA, and H. WEBER: Progress in the total synthesis of the gene for ala-Trna 35
GANESAN, A. T.: Studies on in vitro replication of Bacillus subtilis DNA 45
BAUTZ, E. K. F., F. A. BAUTZ, and W. RPGER: A biological assay for in vitro repair of phage T4 DNA 59
ROSENBERG, B. H., and L. F. CAVALIERI: Shear sensitivity of the E. coli genome: Multiple membrane attachment points of the E. coli DNA 65
AUGUST, J. T., A. K. BANERJEE, L. EOYANG, M. T. F. DE FERNANDEZ, K. HORI, C. H. KUO, U. RENSING, and L. SHAPIRO: Synthesis of bacterio- phage Qb RNA 73
WEISSMANN, C., G. FEIX, H. SLOR: In vitro synthesis of phage RNA: the nature of the intermediates 83
SPIEGELMAN, S., N. R. PACE, D. R. MILLS, R. LEVISOHN, T. S. EIKHOM, M. M. TAYLOR, R. L. PETERSON, and D. H. L. BlSHOP: The mechanism of RNA replication 101
MARINO, P., M. I. BALDI, and G. P. TOCCHINI-VALENTINI: Effect of Rifampicin on DNA-dependent RNA polymerase and on RNA phage growth 125
INTERMEDIATES IN DNA SYNTHESIS
OKAZAKI, R., T. OKAZAKI, K. SAKABE, K. SUGIMOTO, R. KAINUMA, A. SUGINO, and N. IWATSUKI: In vivo mechanism of DNA chain growth 129
NEWMAN, J., and P. HANAWALT: Intermediates in T4 DNA replication in a T4 ligase deficient strain 145
RICHARDSON, C. C., Y. MASAMUNE, T. R. LIVE, A. JACQUEMIN-SABLON, B. WEISS, and G. FAREED: Studies on the joining of DNA by polynucleotide ligase of phage T4 151
SADOWSKI, P., B. GINSBERG, A. YUDELEVICH, L. FEINER, and J. HURWITZ: Enzymatic mechanisms of the repair and breakage of DNA 165
KIDSON, C.: Analysis of DNA fine secondary structure in relation to replication and transcription 179
REPAIR OF DNA
HANAWALT, P. C., D. E. PETTIJOHN, E. C. PAULING, C. F. BRUNK, D. W. SMITH, L. C. KANNER, and J. L. COUCH: Repair replication of DNA in vivo 187
HOWARD-FLANDERS, P., W. D. RUPP, B. M. WILKINS, and R. S. COLE: DNA replication and recombination after UV-irradiation 195
SETLOW, J. K., M. L. RANDOLPH, M. E. BOLING, A. MATTINGLY, G. PRICE, and M. P. GORDON: Repair of DNA in Haemophilus influenzae. II. Excision, repair of single-strand breaks, defects in transformation and host-cell modification in UV-sensitive mutants 209
TAKAGI, Y., M. SEKIGUCHI, S. OKUBO, H. NAKAYAMA, K. SHIMADA, S. YASUDA, T. MISHIMOTO, and H. YOSHIHARA: Nucleases specific for ultraviolet light- irradiated DNA and their possible role in dark repair 219
GROSSMAN, L., J. KAPLAN, S. KUSHNER, and I. MAHLER: Enzymes involved in the early stages of repair of ultraviolet-irradiated DNA 229
GANESAN, A. K., and K. C. SMITH: Recovery of recombination-deficient mutants of Escherichia coli K-12 from ultraviolet irradiation 235
TOMIZAWA, J., and H. OGAWA: Breakage of DNA in Rec+ and Rec- bacteria by disintegration of radiophosphorus atoms in DNA and possible causes of pleiotropic effects of RecA mutation 243
STEINBERG, R. A.: Effects of 32P-decay on chromosome transfer by a radiation- sensitive Hfr strain of Escherichia coli 253
BUTTIN, G., and M. R. WRIGHT: Enzymatic DNA degradation in E. coli: Its relationship to synthetic processes at the chromosome level 259
FRIEDBERG, E. C., and D. A. GOLDTHWAIT. Endonuclease II of E. coli 271
STRAUSS, B M. COYLE, and M. ROBBINS: Alkylation damage and its repair 277
ALBERTS, B. M., F. J. AMODIO, M. JENKINS, E. D. GUTMAN, and F. L. FERRIS: Studies with DNA-cellulose chromatography. I. DNA-binding proteins from E. coli 289
GENETICS OF REPLICATION
GROSS, J. D., D. KARAMATA, and P. G. HEMPSTEAD: Temperature-sensitive mutants of B. subtilis defective in DNA synthesis 307
MENDELSON, N. H.: Can defective segregation prevent initiation? 313
KOHLYAMA, M.: DNA synthesis in temperature-sensitive mutants of Escherichia coli 317
BERNSTEIN, H.: Repair and recombination in phage T4. I. Genes affecting recombination 325
BALDY, M. W.: Repair and recombination in phage T4. II. Genes affecting UV sensitivity 333
DRAKE, J. W., and E. F. ALLEN: Antimutagenic DNA polymerases of bacterio- phage T4 339
SPEYER, J. F., and D. ROSENBERG: The function of T4 DNA polymerase 345
CHIU, C-S, and G. R. GREENBERG: Evidence for a possible direct role of dCMP hydroxymethylase in T4 phage DNA synthesis 351
MOSIG, G., R. EHRING, and E. O. DUERE: Replication and recombination of DNA fragments in bacteriophage T4 361
AMATI, P., and R. FAVEE: Phage DNA synthesis in bacteria infected with T4 light particles 371
KOZINSKI, A. W.: Molecular recombination in the ligase-negative T4 amber mutant 375
SESNOWITZ-HORN, S., and E. A. ADELBERG: Profiavin treatment of Escherichia coli: Generation of frameshift mutations 393
STRUCTURE OF REPLICATING DNA
DAVISON, P. F.: DNA replication: Physical factors 403
WANG, J. C., and N. DAVIDSON: Cyclization of phage DNAs 409
THOMAS, C. A., JR., T. KELLY, JR., and M. RHOADES: The intracellular forms of T7 and P22 DNA molecules 417
FREIFELDER, D.: Studies with Escherichia coli sex factors 425
HUDSON, B., D. A. CLAYTON, and J. VINOGRAD: Complex mitochondrial DNA 435
SINSHEIMER, R. L., R. KNIPPERS, and T. KOMANO: Stages in the replication of bacteriophage ØX174 DNA in vivo 443
DENHARDT, D. T., and A. B. BURGESS: DNA replication in vitro. I. Synthesis of single-stranded ØX174 DNA in crude lysates of ØX-infected E. coli 449
RUSH, M. G., and R. C. WARNER: Molecular recombination ma circular genome- ØX174 and S13 459
HSU, Y.: Regulation of the propagation of HR virus plasmid 467
GILBERT, W., and D. DRESSLER: DNA replication: the rolling circle model 473
FRANKEL, F. R.: DNA replication after T4 infection 485
FRANKEL, F. R., C. MAJUMDAR, S. WEINTRAUB, and D. M. FRANKEL: DNA polymerase and the cell membrane after T4 infection 495
WERNER, R.: Initiation and propagation of growing points in DNA of phage T4 501
HUBERMAN, J.: Visualization of replicating mammalian and T4 bacteriophage DNA 509
WEISSBACH, A., P. BARTL, and L. A. SALZMAN: The structure of replicative lambda DNA-electron microscope studies 525
TOMIZAWA, J., and T. OGAWA: Replication of phage lambda DNA 533
ORIGINS OF REPLICATION
NAGATA, T., and M. MESELSON: Periodic replication of DNA in steadily growing E. coli: the localized origin of replication 553
CARO, L. G., and C. M. BERG: Chromosome replication in some strains of Escherichia coli K12 559
WOLF, B., M. L. PATO, C. B. WARD, and D. A. GLASER: On the origin and direction of replication of the E. coli chromosome 575
VIELMETTER, W., W. MESSER, and A. SCHUTTE: Growth direction and segregation of the E. coli chromosome 585
CERDÁ-OLMEDA, E., and P. HANAWALT: The replication of Escherichia coli chromosome studied by sequential nitrosoguanadine mutagenesis 599
LEPECQ, J.-B., and R. L. BALDWIN: The starting point and direction of lDNA replication 609
MAKOVER, S.: A preferred origin for the replication of lambda DNA 621
BACTERIAL MATING
BONHOEFFER, F., and W. VIELMETTER: Conjugational DNA transfer in E. coli 623
FISHER, K. W., and M. B. FISHER: Nalidixic acid inhibition of DNA transfer in E. coli K12 629
COHEN, A., W. D. FISHER, R. CURTISS, III, and H. I. ADLER: The properties of DNA transferred to minicells during conjugation 635
GUILD, W. R., A. CATO, JR., and S. LACKS: Transformation and DNA size: two controlling parameters and the efficiency of the single strand intermediates 643
RUPP, W. D., and G. IHLER: Strand selection during bacterial mating 647
OHKI, M., and J. TOMIZAWA: Asymmetric transfer of DNA strands in bacterial conjugation 651
REPLICATION AND THE CELL MEMBRANE
BOTSTEIN, D., and M. LEVINE: Intermediates in the synthesis of phage P22 DNA 659
RYTER, A., Y. HIROTA, and F. JACOB: DNA-membrane complex and nuclear segregation in bacteria 669
HIROTA, Y., A. RYTER, and F. JACOB: Thermosensitive mutants of E. coli affected in the processes of DNA synthesis and cellular division 677
SUEOKA, N., and W. G. QUINN: Membrane attachment of the chromosome replication origin in Bacillus subtilis 695
EARHART, F., G. Y. TREMBLAY, M. J. DANIELS, and M. SCHAECHTER: DNA repli cation studied by a new method for the isolation of cell membrane-DNA complexes 707
REPLICATION OF TEMPERATE VIRUSES
SIGNER, E., H. ECHOLS, J. WEIL, C. RADDING, M. SHULMAN, L. MOORE, and K. MANLY: The general recombination system of bacteriophage l 711
SIGNER, E. and J. WElL: Site-specific recombination of bacteriophage l 715
GINGERY, R., and H. ECHOLS: Integration, excision, and transducing particle genesis by bacteriophage l 721
KAISER, A. D., and R. WU: Structure and function of DNA cohesive ends 729
GOTTESMAN, M., and M. YARMOLINSKY: The integration and excision of the bacteriophage lambda genome 735
MOUSSET, S., and R. THOMAS: Dilysogenic excision: an accessory expression of the termination function? 749
EISEN, H., L. H. PEREIRA DA SILVA, and F. JACOB: The regulation and mech- anism of DNA synthesis in bacteriophage lambda 755
CALEF, E., and Z. NEUBAUER: Active and inactive states of the CI gene in some l defective phages 765
MATSUBARA, K., and A. D. KAISER: l dv, an autonomously replicating DNA fragment 769
DULBECCO, R.: The state of the DNA of polyoma virus and 5V40 in transformed cells 777
ROSNER, J. L., L. R. KASS, and M. B. YARMOLINSKY: Parallel behavior of F and P1 in causing indirect induction of lysogenic bacteria 785
IKEDA, H., and J. TOMIZAWA: Prophage P1, an extrachromosomal replication unit 791
REGULATION OF REPLICATION
BIRD, R., and K. G. LARK: Initiation and termination of DNA replication after amino acid starvation of E. coli 15T- 799
HELMSTETTER, C. E., S. COOPER, O. PIERUCCI, and E. REVELAS: On the bacterial life sequence 809
CLARK, D. J.: The regulation of DNA replication and cell division in E. coli B/r 823
SGARAMELLA, V., S. SPADARI, and A. FALASCHI: Isolation of the hybrid between ribosomal RNA and DNA of Bacillus subtilis 839
YOSHIKAWA, H., and M. HAAS: On the regulation of the initiation of DNA replication in bacteria 843
SUMMARY
HOTCHKISS, R.: Metabolism and growth of gene substance: 1968 857
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