The Papovaviridae

The Polyomaviruses
Herausgegeben:Salzman, Norman P.

• Broschiertes Buch

Produktbeschreibung

It has been more than twenty years since the isolation of polyoma virus and SV40, and the reports that they could produce tumors in animals and transformation of cells in culture. What was startling was that these biologic properties are associated with viruses that contain genetic in formation that is able to code for only five or six proteins. Since that time, investigations with these viruses have been in four principal areas. One major area of study has been on cells transformed by viruses that show altered growth properties and specify new viral and cellular proteins. Transformation studies have focused on the tumor (T) antigens that are specified by the virus and are required to initiate and to maintain the transformed state. Current studies on transformation are summarized in Chapter 4. The second broad area of investigation concerns replication of viruses during a lytic cycle of infection. T-antigens that are the hallmark of transformed cells are also expressed in cells that are lytically infected and are required for viral DNA replication and also function to alter rates of transcription of the early and late viral genes. Except for T-antigen, virus replication depends on the cellular enzymatic machinery and so the description of viral macromolecular synthesis has provided valuable insights into the cellular biosynthetic pathways. These studies are described in Chapters 1-3. The studies that have medical relevance concern JC and BK viruses and there is evidence of widespread exposure of human populations to these agents.

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Produktdetails

• The Viruses
• Verlag: Springer / Springer US / Springer, Berlin
• Artikelnr. des Verlages: 978-1-4612-9303-3
• Softcover reprint of the original 1st ed. 1986
• Seitenzahl: 476
• Erscheinungstermin: 21. Oktober 2011
• Englisch
• Abmessung: 254mm x 178mm x 26mm
• Gewicht: 887g
• ISBN-13: 9781461293033
• ISBN-10: 1461293030
• Artikelnr.: 39680175

Inhaltsangabe

1 The Papovaviruses: General Properties of Polyoma and SV40.- I. Early Studies with Polyoma Virus.- II. Early Studies with SV40.- III. Virus Classification.- IV. Virion Structure.- V. Structure of the Viral DNA.- VI. Late Viral Proteins.- VII. Early Events in Papovavirus Infection.- VIII. Papovavirus Host-Range Restriction.- IX. Chromatin Structure.- X. Virus Assembly.- XI. Concluding Remarks.- References.- 2 Transcription of SV40 and Polyoma Virus and Its Regulation.- I. RNA Polymerase II-Its Structure and General Properties.- II. SV40 Early Transcription.- III. Polyoma Virus Early Gene Transcription.- IV. SV40 Late Gene Transcription.- V. Polyoma Virus Late Transcription.- VI. SV40 Enhancer.- VII. Polyoma Virus Enhancer.- VIII. Splicing of Viral Transcripts.- IX. Termination of Transcription.- X. The Viral Chromosome.- References.- 3 Replication of SV40 and Polyoma Virus Chromosomes.- I. Introduction.- II. Large T-Antigen.- III. The DNA Replication Cycle.- IV. DNA Synthesis at Replication Forks.- V. Chromatin Structure and Assembly at Replication Forks.- VI. Concluding Perspective.- References.- 4 Transformation by SV40 and Polyoma.- I. Introduction.- II. Tumorigenicity by SV40 and Polyoma.- III. In Vitro Cell Transformation.- IV. Conclusion.- References.- 5 Studies with BK Virus and Monkey Lymphotropic Papovavirus.- I. BK Virus.- II. Lymphotropic Papovavirus.- References.- 6 The Biology and Molecular Biology of JC Virus.- I. Introduction.- II. Biological Characteristics.- III. Physical Properties.- IV. Oncogenicity.- V. Association with Disease.- References.- Appendix Annotated Nucleotide Sequences and Restriction Site Lists for Selected Papovavirus Strains Charles E. Buckler and Norman P. Salzman.- SV40.- Polyoma Virus (A2).- BK Virus (Dunlop).- BK Virus (MM).- JCVirus (Madl).