JOURNAL OF VIROLOGY

Volume 27 Contents for September 1978 Number 3

Animal VirusesSeven Complementation Groups of Respiratory Syncytial Virus Temperature-Sen-

sitive Mutants. H. B. GiMENEZ AND C. R. PRINGLE* ..... ................ 459)env Gene of Chicken RNA Tumor Viruses: Extent of Conservation in Cellular and

Viral Genomes. DONALD J. FUJITA, JACOV TAL, HAROLD E. VARMUS, AND J.MICHAEL BISHOP* ..................................................... 465

Effects of Adenine Arabinoside on Lymphocytes Infected with Epstein-Barr Vi-rus. WENDY CLOUGH BENZ,* PAMELA J. SIEGEL, AND JAY BAER ..........

*C ollaborative Complementation Study of Temperature-Sensitive Mutants ofHerpes Simplex Virus Types 1 and 2. PRISCILLA A. SCHAFFER,* V. CELESTECARTER, AND MORAG C. TIMBURY ......................................

Timing of Some of the Molecular Events Required for Cell Fusion Induced byHerpes Simplex Virus Type 1. KONSTANTIN G. KoUSOULAS, STANLEY PER-SON,* AND THOMAS C. HOLLAND.505

Involvement of Mouse Mammary Tumor Virus in Spontaneous and Hormone-Induced Mammary Tumors in Low-Mammary-Tumor Mouse Strains. R.MICHALIDES,* L. VAN DEEMTER, R. NUSSE, G. ROPCKE, AND L. BOOT.551

Rebinding of Transcriptase Components (L and NS Proteins) to the NucleocapsidTemplate of Vesicular Stomatitis Virus. MARGARET G. MELLON AND SUZ-ANNE U. EMERSON *... 60

Inhibition by RNA of RNase H Activity Associated with Reverse Transcriptase inRauscher Murine Leukemia Virus Cores. M. G. SARNGADHARAN, V. S.KALYANARAMAN, AND R. C. GALLO* ..................................... 568

Reverse Transcriptase-Associated RNase H Activity. II. Inhibition by Natural andSynthetic RNA. STUART L. MARCUS,* STEVEN W. SMITH, AND MUKUND J.MODAK ............................................................... 576

Poliovirus Single-Stranded RNA and Double-Stranded RNA: Differential Infectiv-ity in Enucleate Cells. BARBARA MORGAN DETJEN, JOSEPH LUCAS, ANDECKARD WIMMER* ..................................................... 582

Structural Studies on Rauscher Murine Leukemia Virus: Isolation and Characteri-zation of Viral Envelopes. W. J. M. VAN DE VEN,* A. J. M. VERMORKEN, C.ONNEKINK, H. P. J. BLOEMERS, AND H. BLOEMENDAL ..... ................ 595

Purification of the Epstein-Barr Virus-Determined Nuclear Antigen from Epstein-Barr Virus-Transformed Human Lymphoid Cell Lines. JANOS LUKA,* TOMASLINDAHL, AND GEORGE KLEIN ....609.........

Intracellular Restriction of Ecotropic Murine Leukemia Virus in Rat NRK Cellsand Its Abolishment by Adaptation. H. YOSHIKURA* AND M. YOSHIDA .... 612

Requirement of Protein Synthesis for the Degradation of Host mRNA in FriendErythroleukemia Cells Infected with Herpes Simplex Virus Type 1. YUTAKANISHIOKA AND SAUL SILVERSTEIN* ......................................

Viral DNA Sequences and Gene Products in Hamster Cells Transformed byAdenovirus Type 2. K. JOHANSSON, H. PERSSON, A. M. LEWIS, U. PETTERS-SON, C. TIBBETTS, AND L. PHILIPSON* ...................................6)

Comparison of Initiation Rates of Encephalomyocarditis Virus and Host ProteinSynthesis in Infected Cells. GEORGE JEN, CLAIRE H. BIRGE, AND ROBERT E.THACH* ............. .................................... 640

Specificity of Interferon Action in Protein Synthesis. PETER M. P. YAU, THERESEGODEFROY-COLBURN, CLAIRE H. BIRGE, TRIPRAYAR V. RAMABHADRAN, ANDROBERT E. THACH*............ 648

Continued on followingpage

Continued from precedingpage

Herpesvirus salmonis: Characterization of a New Pathogen of Rainbow Trout. K.WOLF,* R. W. DARLINGTON, W. G. TAYLOR, M. C. QUIMBY, AND T. NAGABAY-ASHI.659

Characterization of the env Gene in Avian Oncoviruses by Heteroduplex Map-ping. SYLVIA S. F. Hu, MICHAEL M. C. LAI,* AND PETER K. VOGT ... 667

Strain-Specific Markers for the Major Structural Proteins of Highly OncogenicMurine Mammary Tumor Viruses by Tryptic Peptide Analyses. J. W.GAUTSCH, R. LERNER, D. HOWARD, Y. A. TERAMOTO, AND J. SCHLOM*. 688

Cleavage Map of BK Virus DNA with Restriction Endonculeases MboI andHaeIII. ROBERT C. A. YANG AND RAY WU*.700

Identification of a Herpesvirus Isolated from Cytomegalovirus-Transformed HumanCells. LASZLO GEDER, RICHARD H. HYMAN, MANUEL FIGUEROA, JOHN E.OAKES, JEFFREY P. ILTIS, MARILYN S. DAWSON, AND FRED RAPP* .. 713

Isolation of Genotypic Variants of Autographa californica Nuclear PolyhedrosisVirus. HYUNG HOAN LEE AND LOIS K. MILLER*.754

Viral Gene Expression in Murine Sarcoma Virus (Murine Leukemia Virus)-InfectedCells. DINO DINA AND EDWARD E. PENHOET*.768

In Vitro Synthesis of Double-Stranded DNA from the Kilham Rat Virus Single-Stranded DNA Genome. LOIS A. SALZMAN, * PHYLLIS FABISCH, RONALDPARR, CLAUDE GARON, AND TONU WALI.784

Phosphorylation of Chromatin- and Ribosome-Associated Proteins in Cells Trans-formed by Adenovirus, Murine Sarcoma Virus, and Methylcholanthrene.KAORU SEGAWA, KINICHIRO ODA,* YASUHITO YUASA, KAZUKO SHIROKI, ANDHIROTO SHIMOJO.. 800

Murine Leukemia Virus (T-8)-Transformed Cells: Identification of a PrecursorPolyprotein Containing gag Gene-Coded Proteins (p15 and p12) and a Non-structural Component. THOMAS L. SACKS, FRED H. REYNOLDS, JR., DILEEPN. DEOBAGKAR, AND JOHN R. STEPHENSON*... 809

Mammalian Retrovirus-Associated RNase H Is Virus Coded. MEI-HUEI T. LAI,INDER M. VERMA, STEVEN R. TRONICK,* AND STUART A. AARONSON.823

Analysis of Translational Products of Friend Strain of Spleen Focus-FormingVirus. MARIANO BARBACID, DAVID H. TROXLER, EDWARD M. SCOLNICK, ANDSTUART A. AARONSON ............................................... 826

Bacterial VirusesBacteriophage SPOl Development: Defects in a Gene 31 Mutant. ALBERTO N.

SARACHU, MARIA C. ANON, AND OSCAR GRAU* .. ......... 483Genetic Characterization of Mu-Like Bacteriophage D108. RICHARD A. HULL,

GURNAM S. GILL, AND RoY CURTISS III*.. 513Bacteriophage P22-Mediated Specialized Transduction in Salmonella typhimu-

rium: High Frequency of Aberrant Prophage Excision. DEBORAH Y. KWOHAND JOST KEMPER*.. 519

Bacteriophage P22-Mediated Specialized Transduction in Salmonella typhimu-rium: Identification of Different Types of Specialized Transducing Particles.DEBORAH Y. KWOH AND JOST KEMPER* .. .................... 535

Early Events in the Replication of Mu Prophage DNA. BARBARA T. WAGGONER*AND MARTIN L. PATO ... ... ...................... ... .. ............. 587

Localization of Escherichia coli RNA Polymerase Binding Sites on BacteriophageS13 and 4X174 DNA: Alignment with Restriction Enzyme Maps. ERIC RAS-SART AND JOHN H. SPENCER*.. 677

Bacillus subtilis Bacteriophages SP82, SPOl, and 4e: a Comparison of DNAs andof Peptides Synthesized During Infection. JONATHON M. LAWRIE, JOHN S.DOWNARD, AND H. R. WHITELEY*.725

Continued on followingpage

Continued from precedingpage

Evolution of Bacteriophage 4X174. IV. Restriction Enzyme Cleavage Map of St-1. J. N. GRINDLEY* AND G. N. GODSON ................................. 738

Evolution of Bacteriophage 4X174. V. Alignment of the 4X174, G4, and St-1Restriction Enzyme Cleavage Maps. J. N. GRINDLEY* AND G. N. GODSON 745

Genome-Linked Protein Associated with the 5' Termini of Bacteriophage 029DNA. CLIFFORD 0. YEHLE... 776

Gene Expression and Stability of mRNA Affected by DNA-Arrested Synthesis inGene 59, 46, and 47 Mutants of Bacteriophage T4. JEN-LEIH WU AND YUN-CHIYEH*... 791

Isolation of a Bacterial Host Selective for Bacteriophage T4 Containing Cytosine inIts DNA. JUDITH RUNNELS AND LARRY SNYDER* ....................... 815

Sporulation-Converting Bacteriophages for Bacillus pumilus. KATHLEEN M.KEGGINS, ROBERT K. NAUMAN, AND PAUL S. LOVETT*.819

Evidence that the Neck Appendages Are Adsorption Organelles in Bacillus subtilisBacteriophage 429. FELIPE MORENO* AND FRANCOISE G. BLUZAT-MORENO 831

Absence of Phospholipase Activity in Bacteriophage T4. TERESA THIEL* ANDLAZARUS ASTRACHAN .................................................. 835

* Asterisk refers to person to whom inquiries regarding the paper should be addressed.

Volume 27 Contents for July 1978 Number 1

Animal VirusesHerpesvirus Infection Modifies Adenovirus RNA Metabolism in Adenovirus Type

5-Transformed Cells. DAVID SPECTOR* AND LEWIs I. PIZER ..... ........... 1Oncogencity ofAKR Endogenous Leukemia Viruses. ROBERT C. NOWINSKI* AND

E~STHER F. HAYS .............. ......................................... 13Adsorption and Penetration ofEnveloped and Naked Vaccinia Virus Particles. L.

G. PAYNE* AND E. NoRRBY.............................................. 19Polypeptide Composition of Extracellular Enveloped Vaccinia Virus. LENDON

PAYNE ................................................................ 28Comparison of the Genomic Organization of Kirsten and Harvey Sarcoma Vi-

ruses. THOMAs Y. SHIH,* DAVID R. WnT.nAms, MAUREEN 0. WEEKs, JEANM. MARYAK, WLLiAm c. VAss, AND EDWARD M. SCOLNICK................. 45

Mapping Early Transcripts of Herpes Simplex Virus Type 1 by Electron Micros-copy. JAMEs R. STRINGER, LOUIS E. HoLLAND, AND EDWARD K. WAGNER*.. 56

Adenovirus Core Protein Synthesis in the Absence ofViral DNA Synthesis Late inInfection. GORDON KrrAAN ELLEN DANIELL* ....... ..................... 74

Heterogeneity of Epstein-Barr Virus. III. Comparison of a Transforming and aNontransforming Virus by Partial Denaturation Mapping ofTheirDNAs. HAJO DELIUs AND GEORG W. BoRNKAMm* ......................... 81

RNA Associated with Murine Intracisternal Type A Particles Codes for the MainParticle Protein. BRUCE M. PATERSON,* SHOSHANA SEGAL, KIRA K. LUED-ERS, AND EDWARD L. KUFF .............. ................................ 118

Photochemical Addition of the Cross-Linking Reagent 4,5',8-Trimethylpsoralen(Trioxsalen) to Intracellular and Viral Simian Virus 40 DNA-Histone Com-plexes. LESLEY M. HALLICK,* HIsAo A. YOKOTA, JAMES C. BARTHOLOMEW,AND JoHN E. HEART................................................... 127

Transcription of Adenovirus RNA in Permissive and NonpermissiveInfections. MARTIN S. FARBER AND STEPHEN G. BAUM* ..... .............. 136

Removal of Carbohydrate from Influenza A Virus and Its Hemagglutinin and theEffect on Biological Activities. JAMEs K. COLLINS* AND c. . KNIGHT ....1.64

Type-Common CP-1 Anti en ofHers Simplex Virus Is Associated with a 59,000-Molecular-Weight Bnvelope Glycoprotein. GARY H. COHEN,* MICHAELKATZE, CAs8ANDRA HYDREAN-STERN, AND ROsELYN J. EISENBERG .... ...... 172

Isolation and Preliminary Characterization of Temperature-Sensitive Mutants ofEncephalomyocarditis Virus. ROGER J. RADLOFF ......................... 182

Characterization of a DNA-Protein Complex and Capsomere Subunits Derivedfrom Polyoma Virus by Treatment with Ethyleneglycol-Bis-N,Nf-TetraaceticAcid and Dithiothreitol. JoHN N. BRADY, VERN D. WINSTON, AND RICHARDA. CONSIGLI* .......................................................... 193

Marek's Disease Herpesviruses. m. Purification and Characterization of Marek'sDisease Herpesvirus B Antigen. LELAND F. VELICER,* DoRNE R. YAGER,AND JAMES L. CLARK ............ ........................................ 205

Measurements of the Molecular Size of the Simian Virus 40 Large TAntigen. JAMES D. GRIFFIN, SUSAN LIGHT, AND DAVID M. LIVINGsTON* ... 218

Purification of Virus-Specific RNA from Chicken Cells Infected with AvianSarcoma Virus: Identification of Genome-Length and Subgenome-LengthViral RNAs. J. THOMAS PARSON,* PAMELA LEWIS, AND PETER Ducs ..... 227

Anatomy of Bovine Mammillitis DNA. II. Size and Arrangements of the Deoxy-nucleotide Sequences. Timnothy G. BUCHMAN AND BERNARD ROIzMAN* ..... 239

* Asterisk refers to person to whom inquiries regarding the paper should be addresed.ix

Levels of Cellular DNA Polymerases in Synchronized Bovine Parvovirus-InfectedCells. CYNTHIA PRITCHARD, ROBERT C. BATES,* AND ERNEST R. STOUTr ..... 258

Bacterial VirusesInteraction Between Bacteriophage Sf6 and Shigella flexneri. A. A. LINDBERG,*

R. WOLLIN, P. GEMsKI, AND J. A. WOHLHIETER ....... .................... 38New Late Gene, dar, Involved in the Replication of Bacteriophage T4 DNA. II.

Binding Protein (Gene 32 Protein) and Further Characterization. JENG-RENWu AND YUN-CHI YEH*................................................ 90

New Late Gene, dar, Involved in the Replication of Bacteriophage T4 DNA. m.DNA Replicative Internediates of T4 dar and a Gene 59 Mutant Suppressedby dar. JENG-REN Wu AND YUN-CHI YEH* ....... ...................... 103

In Vitro Packaging of Bacteriophage T7 DNA Synthesized In Vitro. WARREN E.MASKER,* NANCY B. KuEMMERLE, AND DAVID P. ALISON ..... ............ 149

Dextran Sulfate as a Contaminant ofDNA Extracted from Concentrated Virusesand as an Inhibitor of DNA Polymerases. RONALD A. HITzEMAN, ARTHURM. HANEL, AND ALAN R. PICE* ........... .............................. 255

Volume 27 Contents for August 1978 Number2

Animal VirusesRegulation of Murine Cytomegalovirus Gene Expression. I. Transcription During

Productive Infection. ViKMm MIsRA, M. T. MULLER, J. K. CHANTLER, ANDJ. B. HUDSON* ........................................ 263

Evidence for a Herpes Simplex Virus-Specific Factor Controlling the Transcriptionof Deoxypyrnimdine Kinase. WAI-CHOI LEUNG .......................... 269

Interference with Simian Virus 40 DNA Replication by Adenovirus Type 2 DuringMixed Infection of Monkey Cells. FRANS VAN RoY AND WALTER FIERS* ... 275

Transfer of Fv-1 Locus-Specific Resistance to Murine N-Tropic and B-TropicRetroviruses by Cytoplasmic RNA. WEN K. YANG,* RAYMOND W. TENNANT,RALPH J. RAsCATI, JAMES A. OTmN, BONNIE SCHLUTER, JAMES 0. KIGGANS,JR., FRED E. MYER, AND ARTHUR BROWN ........... ..................... 288

Inhibition of Reverse Transcription of 70S and 35S Avian Myeloblastosis RNAs byNonprimer tRNA's. IZUMI YAMAURA AND LIEBE F. CAVALIERI* ......... 300

Presence ofFree ViralDNAin Simian Virus 40-Transformed Nonproducer Cells. L.DAYA-GROSJEAN AND R. MONIER* ................................. 307

Induction of Type C RNA Virus from Cultured Rabbit Lymphosarcoma CelLs. H.G. BEDIGIAN,* R. R. FOX, AND H. MEIER ................................ 313

Interaction of Vesicular Stomatitis Virus with Lipid Vesicles: Depletion of Choles-terol and Effect on Virion Membrane Fluidity and Infectivity. N. F. MooRE,E. J. PATZER, J. M. SHAW, T. E. THOMPSON, AND R. R. WAGNER* .......... 320

Shedding of the Glycoprotein from Vesicular Stomatitis Virus-Infected Cells.SHEILA P. LITTLE AND ALICE S. HUANG*.330

Effects of Phosphorylation and pH on the Association of NS Protein with VesicularStomatitis Virus Cores. GAIL M. CLINTON,* BOYCE W. BURGER, AND ALICES. HUANG ............................................................. 340

Defective Interfering Particles of Parvovirus H-1. SOLON L. RHODE III.. 347Identification of a Protein Linked to Nascent Poliovirus RNA and to the Polyuri-

dylic Acid of Negative-Strand RNA. RALF F. PETrERSON, VICTOR AMBROS,AND DAVID BALTIMORE .................................. 357

x CONTENTS

Origin and Biological Properties of a New BALB/c Mouse Sarcoma Virus. STUARTA. AARONSON* AND MARIANO BARBACID ........................ 366

Structure of the Joint Region and the Termini of the DNA of Herpes Simplex VirusType 1. MICHAEL J. WAGNER AND WILLIAM C. SUMMERS* .... ........... 374

DNA of Epstein-Barr Virus. III. Identification of Restriction Enzyme FragmentsThat Contain DNA Sequences Which Differ Among Strains of Epstein-BarrVirus. NANCY RAAB-TRAUB, RANDALL PRITCHETT, AND ELLIoTT KIEFF* 388

Multiple Roles for ATP in the Synthesis and Processing of mRNA by VacciniaVirus: Specific Inhibitory Effects ofAdenosine (IB, y-Imido)Triphosphate. ALANGERSHOWITZ, ROBERT F. BOONE, AND BERNARD Moss*... 399

Polyoma Virus Has Three Late mRNA's: One for Each Virion Protein. STUARTG. SIDDELL AND ALAN E. SMITH* ....................................... 427

Chromatographic Separation of the Polyoma Virus Proteins and Renaturation ofthe Isolated VP1 Major Capsid Protein. JOHN N. BRADY AND RICHARD A.CONSIGLI* ............................ 436

Proteolysis of Noncapsid Protein 2 of Type 3 Poliovirus at the Restrictive Temper-ature: Breakdown of Noncapsid Protein 2 Correlates with Loss of RNA Syn-thesis. STEPHEN A. BOWLES AND DANIEL R. TERSHAK* ........ ... 443

Virus-Specific RNA Synthesis in Interferon-Treated Mouse Cells ProductivelyInfected with Moloney Murine Leukemia Virus. HUNG FAN* AND PAULMACISAAC.449

Synthesis of a Mammalian Parvovirus in Brij-58-Lysed Cells. MARKUS GAUTSCHIAND PETER REINHARD* .. ................................... 453

Bacterial VirusesIsolation and Characterization of Bacteriophage T4 Mutant Preheads. LOUISE

ONORATO, BRANKA STIRMER, AND MICHAEL K. SHOWE* .................. 409Structure of Native and Chloroform-Methanol-Treated Mycobacteriophage

Rl. DALE FAY* AND BERNARD U. BOWMAN ............................. 432

ErrataIn Vitro RNA Transcription by the New Jersey Serotype of Vesicular Stomatitis

Virus. I. Characterization of the mRNA Species. MARIA T. FRANZE-FERNAN-DEZ AND ALMIYA K. BANERJEE ............................... 457

Characterization ofthe 3' Terimini oftheRNAs ofCowpeaMosaic Virus. KATHLEENP. STEELE AND IRAMSEY H. FRIST .. ......... 457

Volume 27 Contents for September 1978 Number 3

Animal VirusesSeven Complementation Groups of Respiratory Syncytial Virus Temperature-Sen-

sitive Mutants. H. B. GIMENEZ AND C. R. PRINGLE*.459env Gene of Chicken RNA Tumor Viruses: Extent of Conservation in Cellular and

Viral Genomes. DONALD J. FUJITA, JACOv TAL, HAROLD E. VARMUS, AND J.MICHAEL BISHOP*.465

Effects of Adenine Arabinoside on Lymphocytes Infected with Epstein-Barr Vi-rus. WENDY CLOUGH BENZ,* PAMELA J. SIEGEL, AND JAY BAER.475

Collaborative Complementation Study of Temperature-Sensitive Mutants ofHerpes Simplex Virus Types 1 and 2. PRISCILLA A. SCHAFFER,* V. CELESTECARTER, AND MORAG C. TIMBURY.490

CONTENTS xi

Timing of Some of the Molecular Events Required forCell Fusion Induced byHerpes Simplex Virus Type 1. KONSTANTIN G. KouSOULAS, STANLEY PER-SON,* AND THOMAS C. HOLLAND ........................................ 505

Involvement of Mouse Mammary Tumor Virus in Spontaneous and Hormone-Induced Mammary Tumors in Low-Mammary-Tumor Mouse Strains. R.MICHALIDES,* L. VAN DEEMTER, R. NUSSE, G. ROPCKE, AND L. BOOT .. 551

Rebinding of Transcriptase Components (L and NS Proteins) to the NucleocapsidTemplate of Vesicular Stomatitis Virus. MARGARET G. MELLON AND SUZ-ANNE U. EMERSON *...................................................560

Inhibition by RNA of RNase H Activity Associated with Reverse Transcriptase inRauscher Murine Leukemia Virus Cores. M. G. SARNGADHARAN, V. S.KALYANARAMAN, AND R. C. GALLO*..................................... 568

Reverse Transcriptase-Associated RNase H Activity. II. Inhibition by Natural andSynthetic RNA. STUART L. MARCUS,* STEVEN W. SMITH, AND MUKUND J.MODAK ............................................................... 576

Poliovirus Single-Stranded RNA and Double-Stranded RNA: Differential Infectiv-ity in Enucleate Cells. BARBARA MORGAN DETJEN, JOSEPH LUCAS, ANDECKARD WIMMER* ......................................................582

Structural Studies on Rauscher Murine Leukemia Virus: Isolation and Characteri-zation of Viral Envelopes. W. J. M. VAN DE VEN,* A. J. M. VERMORKEN, C.ONNEKINK, H. P. J. BLOEMERS, AND H. BLOEMENDAL... .................. 595

Purification of the Epstein-Barr Virus-Determined Nuclear Antigen from Epstein-Barr Virus-Transformed Human Lymphoid Cell Lines. JANOS LUKA,* TOMASLINDAHL, AND GEORGE KLEIN.......... 604

Intracellular Restriction of Ecotropic Murine Leukemia Virus in Rat NRK Cellsand Its Abolishment by Adaptation. H. YOSHIKURA* AND M. YOSHIDA .... 612

Requirement of Protein Synthesis for the Degradation of Host mRNA in FriendErythroleukemia Cells Infected with Herpes Simplex Virus Type 1. YUTAKANISHIOKA AND SAUL SILVERSTEIN* ..................................... 619

Viral DNA Sequences and Gene Products in Hamster Cells Transformed byAdenovirus Type 2. K. JOHANSSON, H. PERSSON, A. M. LEWIS, U. PETTERS-SON, C. TIBBETTS, AND L. PHILIPSON*....... .... 628

Comparison of Initiation Rates of Encephalomyocarditis Virus and Host ProteinSynthesis in Infected Cells. GEORGE JEN, CLAIRE H. BIRGE, AND ROBERT E.THACH * ... ....... ........ .... ............ 640

Specificity of Interferon Action in Protein Synthesis. PETER M. P. YAU, THERESEGODEFROY-COLBURN, CLAIRE H. BIRGE, TRIPRAYAR V. RAMABHADRAN, ANDROBERT E. THACH* .....................................................648

Herpesvirus salmonis: Characterization of a New Pathogen of Rainbow Trout. K.WOLF,* R. W. DARLINGTON, W. G. TAYLOR, M. C. QUIMBY, AND T. NAGABAY-ASHI.................................................................. 659

Characterization of the env Gene in Avian Oncoviruses by Heteroduplex Map-ping. SYLVIA S. F. HU, MICHAEL M. C. LAI,* AND PETER K. VOGT .. 667

Strain-Specific Markers for the Major Structural Proteins of Highly OncogenicMurine Mammary Tumor Viruses by Tryptic Peptide Analyses. J. W.GAUTSCH, R. LERNER, D. HOWARD, Y. A. TERAMOTO, AND J. SCHLOM* ..... 688

Cleavage Map of BK Virus DNA with Restriction Endonculeases MboI andHaeIII. ROBERT C. A. YANG AND RAY WU* ............................. 700

Identification of a Herpesvirus Isolated from Cytomegalovirus-Transformed HumanCells. LASZLO GEDER, RICHARD H. HYMAN, MANUEL FIGUEROA, JOHN E.OAKES, JEFFREY P. ILTIS, MARILYN S. DAWSON, AND FRED RAPP* .... ..... 713

x* CONTENTS

CONTENTS xiu

Isolation of Genotypic Variants of Autographa californica Nuclear PolyhedrosisVirus. HYUNG HOAN LEE AND Lois K. MILLER* . 754

Viral Gene Expression in Murine Sarcoma Virus (Murine Leukemia Virus)-InfectedCells. DINo DINA AND EDWARD E. PENHOET* .. ....... 768

In Vitro Synthesis of Double-Stranded DNA from the Kilham Rat Virus Single-Stranded DNA Genome. Lois A. SALZMAN,* PHYLLIS FABISCH, RONALDPARR, CLAUDE GARON, AND TONU WALI 784

Phosphorylation of Chromatin- and Ribosome-Associated Proteins in Cells Trans-formed by Adenovirus, Murine Sarcoma Virus, and Methylcholanthrene.KAORU SEGAWA, KINICHIRO ODA,* YASUHITO YUASA, KAZUKO SHIROKI, ANDHIROTO SHIMOJO.. 800

Murine Leukemia Virus (T-8)-Transformed Cells: Identification of a PrecursorPolyprotein Containing gag Gene-Coded Proteins (p15 and p12) and a Non-structural Component. THOMAS L. SACKS, FRED H. REYNOLDS, JR., DILEEPN. DEOBAGKAR, AND JOHN R. STEPHENSON*.809

Mammalian Retrovirus-Associated RNase H Is Virus Coded. MEI-HUEI T. LAI,INDER M. VERMA, STEVEN R. TRONICK,* AND STUART A. AARONSON . 823

Analysis of Translational Products of Friend Strain of Spleen Focus-FormingVirus. MARIANO BARBACID, DAVID H. TROXLER, EDWARD M. SCOLNICK, ANDSTUART A. AARONSON*.. 826

Bacterial VirusesBacteriophage SPOl Development: Defects in a Gene 31 Mutant. ALBERTO N.

SARACHU, MARIA C. Af*6N, AND OSCAR GRAU*.483Genetic Characterization of Mu-Like Bacteriophage D108. RICHARD A. HULL,

GURNAM S. GILL, AND ROY CURTISS III*.513Bacteriophage P22-Mediated Specialized Transduction in Salmonella typhimu-

rium: High Frequency of Aberrant Prophage Excision. DEBORAH Y. KWOHAND JOST KEMPER*.519

Bacteriophage P22-Mediated Specialized Transduction in Salmonella typhimu-rium: Identification of Different Types of Specialized Transducing Particles.DEBORAH Y. KWOH AND JOST KEMPER.535

Early Events in the Replication of Mu Prophage DNA. BARBARA T. WAGGONER*AND MARTIN L. PATO.587

Localization of Escherichia coli RNA Polymerase Binding Sites on BacteriophageS13 and 4X174 DNA: Alignment with Restriction Enzyme Maps. ERIC RAS-SART AND JOHN H. SPENCER*.677

Bacillus subtilis Bacteriophages SP82, SPOl, and 4e: a Comparison of DNAs andof Peptides Synthesized During Infection. JONATHON M. LAWRIE, JOHN S.DOWNARD, AND H. R. WHITELEY* ....................................... 725

Evolution of Bacteriophage 4X174. IV. Restriction Enzyme Cleavage Map of St-1. J. N. GRINDLEY* AND G. N. GODSON.738

Evolution of Bacteriophage 4X174. V. Alignment of the 4X174, G4, and St-lRestriction Enzyme Cleavage Maps. J. N. GRINDLEY* AND G. N. GODSON 745

Genome-Linked Protein Associated with the 5' Termini of Bacteriophage qS29DNA. CLIFFORD 0. YEHLE.776

Gene Expression and Stability of mRNA Affected by DNA-Arrested Synthesis inGene 59, 46, and 47 Mutants of Bacteriophage T4. JEN-LEIH WU AND YUN-CHI YEH* ..... ............. .. ... .. ............ ..... ..... ...... 791

Isolation of a Bacterial Host Selective for Bacteriophage T4 Containing Cytosine inIts DNA. JUDITH RUNNELS AND LARRY SNYDER*.... 815

xiv CONTENTS

Sporulation-Converting Bacteriophages for Bacillus pumilus. KATHLEEN M.KEGGINS, ROBERT K. NAUMAN, AND PAUL S. LoVErr* ..... 819

Evidence that the Neck Appendages Are Adsorption Organelles in Bacillus subtilisBacteriophage 429. FELIPE MORENO* AND FRANCOISE G. BLUZAT-MORENO 831

Absence of Phospholipase Activity in Bacteriophage T4. TERESA THIEL* ANDLAZARUS ASTRACHAN .............. ............. 835