| Some Articles Planned for Future Volumes | xi |
| DNA Modifications by Antitumor Platinum and Ruthenium Compounds: Their Recognition and Repair | 1 |
I. | Introduction | 2 |
II. | Current State of Knowledge on DNA Interactions of "Classical" Antitumor Cisplatin and Its Clinically Ineffective trans Isomer | 3 |
III. | DNA Interactions of Cisplatin Analogs | 25 |
IV. | Activation of trans Geometry | 38 |
V. | Polynuclear Platinum Antitumor Drugs | 42 |
VI. | Antitumor Ruthenium Compounds | 49 |
VII. | Concluding Remarks | 54 |
| References | 54 |
| AMP- and Stress-Activated Protein Kinases: Key Regulators of Glucose-Dependent Gene Transcription in Mammalian Cells? | 69 |
I. | AMP-Activated Protein Kinase | 70 |
II. | SNF1 and Glucose Repression in Yeast | 71 |
III. | AMPK and Regulation of Gene Transcription in Mammals | 71 |
IV. | Downstream Targets of AMPK and Gene Transcription | 77 |
V. | Mitogen- and Stress-Activated Protein Kinases | 78 |
VI. | Conclusions | 82 |
| References | 82 |
| Molecular Basis of Fidelity of DNA Synthesis and Nucleotide Specificity of Retroviral Reverse Transcriptases | 91 |
I. | Introduction | 92 |
II. | The Role of Reverse Transcriptase in Retroviral Mutagenesis | 93 |
III. | Retroviral Reverse Transcriptases | 94 |
IV. | Fidelity of Retroviral Reverse Transcriptases | 97 |
V. | Control of Fidelity at Initiation of Reverse Transcription | 108 |
VI. | Fidelity of Strand Transfer: Implications for Retroviral Recombination | 109 |
VII. | Contribution of Accessory Proteins to Fidelity of Reverse Transcription | 110 |
VIII. | Mutational Analysis of HIV-1 Reverse Transcriptase: The Effects of Mutations on Fidelity of DNA Synthesis | 112 |
IX. | Biological Consequences of Increasing or Decreasing Fidelity | 129 |
X. | Conclusions and Future Perspectives | 131 |
| References | 132 |
| Muc4/Sialomucin Complex, the Intramembrane ErbB2 Ligand, in Cancer and Epithelia: To Protect and To Survive | 149 |
I. | Membrane Mucins | 150 |
II. | Muc4/SMC Structure and Functions | 153 |
III. | Muc4/SMC Contributions to Tumor Progression | 160 |
IV. | Muc4/SMC in Simple Epithelia | 163 |
V. | Muc4/SMC in Glandular Secretory Epithelia | 170 |
VI. | Muc4/SMC in Stratified Epithelia | 177 |
VII. | Conclusions and Future Directions | 179 |
| References | 180 |
| Functions of Alphavirus Nonstructural Proteins in RNA Replication | 187 |
I. | Introduction | 187 |
II. | Replication Cycle of Alphaviruses | 188 |
III. | Alphavirus-Like Superfamily | 190 |
IV. | Replication of Alphavirus RNAs | 192 |
V. | Processing of Alphavirus Nonstructural Polyprotein P1234 | 197 |
VI. | nsP1: A Unique RNA-Capping Enzyme and Membrane Anchor | 198 |
VII. | nsP2: A Multifunctional Enzyme and Regulatory Protein | 204 |
VIII. | nsP3: An Ancient Conserved Protein and Phosphoprotein | 208 |
IX. | nsP4: A Catalytic RNA Polymerase Subunit | 210 |
X. | The Replication Complex | 211 |
| References | 214 |
| The Unique Biochemistry of Methanogenesis | 223 |
I. | Introduction | 224 |
II. | Methanogens: A Unique Group of Microorganisms | 225 |
III. | Biochemistry of Methanogenesis | 228 |
IV. | Mechanism of ATP Synthesis in Methanogenic Archaea | 240 |
V. | Energy-Conserving Systems in Methanosarcina Strains | 242 |
VI. | Energy Conservation in Obligate Hydrogenotrophic Methanogens | 270 |
| References | 274 |
| A History of Poly A Sequences: From Formation to Factors to Function | 285 |
I. | Introduction | 287 |
II. | From Polymerases to Poly A(+) mRNA | 290 |
III. | Sequences Required for Polyadenylation | 291 |
IV. | The Biochemistry of Polyadenylation | 296 |
V. | Cleavage/Polyadenylation Proteins | 306 |
VI. | The Core Components of Cleavage/Polyadenylation | 313 |
VII. | Cloning, Sequencing, and Expressing the Core Proteins | 320 |
VIII. | Regulation of Polyadenylation | 335 |
IX. | Polyadenylation in Yeast | 351 |
X. | Polyadenylation in E. coli | 364 |
XI. | Polyadenylation in Vaccina Virus | 375 |
| References | 381 |
| A Growing Family of Guanine Nucleotide Exchange Factors Is Responsible for Activation of Ras-Family GTPases | 391 |
I. | Introduction | 392 |
II. | Regulation of in Vivo Ras-GTP Levels by Inhibition of GTPase-Activating Proteins | 394 |
III. | Early Identification of Ras-Family GEFs | 395 |
IV. | GEF Structure and the Nucleotide Exchange Reaction | 398 |
V. | Dominant Inhibitory Ras Proteins Target GEFs | 404 |
VI. | Biological Assays for GEF Activity | 406 |
VII. | Ras-Family GEFs | 407 |
VIII. | GEFs and Disease | 427 |
IX. | Are There More GEFs in Our Future? | 428 |
| References | 428 |
| Practical Approaches to Long Oligonucleotide-Based DNA Microarray: Lessons from Herpesviruses | 445 |
I. | A Rationale for Developing DNA Microarrays for Herpesviruses | 446 |
II. | Herpes Simplex and Cytomegaloviruses--Two Herpesviruses That Share Features of Productive Infection but Differ Markedly in Patterns of Latency and Reactivation | 447 |
III. | Design Criteria for Herpesvirus DNA Microarrays | 451 |
IV. | The Construction and Validation of an Oligonucleotide-Based Hsv-1 DNA Microarray on Glass Slides | 455 |
V. | Exemplary Applications | 472 |
VI. | Conclusions | 486 |
| References | 487 |
| Sphingosine Kinases: A Novel Family of Lipid Kinases | 493 |
I. | Pleiotropic Functions of Sphingosine-1-Phosphate | 494 |
II. | Sphingosine Kinase and Sphingosine-1-Phosphate in Yeast and Plants | 495 |
III. | Cellular Functions of Sphingosine Kinase in Mammalian Cells | 497 |
IV. | How Is Sphingosine Kinase Activated? | 498 |
V. | Cloning of Mammalian Sphingosine Kinases | 500 |
VI. | Sphingosine Kinase Family | 504 |
VII. | Five Conserved Domains of the SPHK Superfamily | 505 |
VIII. | Phylogenetic Analysis of Sphingosine Kinases | 508 |
IX. | Concluding Remarks | 508 |
| References | 509 |
| Mechanisms of EF-Tu, a Pioneer GTPase | 513 |
I. | Introduction | 514 |
II. | Structure-Function Relationships | 524 |
III. | EF-Ts as a Steric Chaperone for EF-Tu Folding | 529 |
IV. | EF-Tu as Target of Antibiotics | 531 |
V. | Specific Aspects of EF-Tu GTPase Activity | 538 |
VI. | Conclusions and Perspectives | 542 |
| References | 543 |
| Index | 553 |