Cell Biology of Physarum and Didymium V1

Cell Biology of Physarum and Didymium V1

Organisms, Nucleus, and Cell Cycle

1st Edition - January 28, 1982

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  • Editor: Henery Aldrich
  • eBook ISBN: 9780323149594

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Description

Cell Biology of Physarum and Didymium, Volume I: Organisms, Nucleus, and Cell Cycle presents important experimental research on Physarum and Didymium for developmental and cellular studies. This book is organized into four parts, encompassing 12 chapters that summarize the taxonomy, biological activities, genetics, and cell cycle of these organisms. The opening part covers two chapters on morphology, taxonomy, phylogeny, biosystematics, and evolutionary implications of Physarum and Didymium species. This is followed by discussions on the biological aspects of these species. These include periodic events of the mitotic cycle in Physarum polycephalum. The general characteristics of chemoreception at the membrane level using plasmodium as a model organism, as well as the structure and motility of plasmodium, are also included. The third part of the book focuses on genetic analysis of plasmodium development and the discovery of techniques for the genetic manipulation of P. polycephalum. Progress in the genetic analysis of other processes is summarized. The concluding part examines the morphological evolution of the nucleus during the mitotic cycle together with the results from ultracytochemical and radioautographic studies. It also includes a discussion on DNA organization and replication in P. polycephalum. Finally, the synthesis and degradation of RNA in Physarum and the relationship of these biochemical processes to mitotic cycle and differentiation are tackled in the concluding chapter. The book will serve as a frequent, single reference source to brief cell biologists on the primary research on Physarum and Didymium. It will be a good source for graduate students in cell biology, and perhaps in other graduate courses.

Table of Contents


  • Contributors

    Preface

    Part I. Introduction to the Organisms

    1. Morphology, Taxonomy, and Phylogeny

    I. Introduction

    II. The Order Physarales

    III. General Taxonomy

    IV. Phylogeny

    References

    2. Didymium iridis in Past and Future Research

    I. Introduction

    II. Laboratory Cultivation and Maintenance

    III. Isolates Studied and Their Origin

    IV. Reproductive Cycles

    V. Chromosomal Numbers and Nuclear DNA Contents

    VI. Speciation and Evolutionary Diversification

    VII. Research on the Plasmodial Stage

    VIII. Sporophore Stage

    IX. Amoeboflagellate-Microcyst Stage

    X. Concluding Remarks

    References

    Part II. Characteristic Biological Phenomena

    3. Periodic Phenomena in Physarum

    I. Introduction

    II. Nuclear Division Cycle

    III. Periodic Enzyme Synthesis

    IV. Other Periodic Events of the Mitotic Cycle

    V. Shuttle Streaming

    References

    4. Chemotaxis in Plasmodia of Physarum polycephalum

    I. Introduction

    II. The Experiment

    III. Response to Carbohydrates

    IV. Hydrophobicity and Heterogeneity of Functional Membranes

    V. Electrostatic Interactions in Relation to Chemoreceptive Thresholds

    VI. Correlation between Tension Generation and Tactic Movement

    VII. Manipulation of Intracellular Components in the Plasmodial Strands

    VIII. Intracellular Control of Chemotaxis

    IX. Rhythmicity of the Plasmodial Contractile System

    X. Effects of Temperature on Membrane Activities

    XI. Summary

    XII. Glossary of Symbols

    References

    5. Plasmodial Structure and Motility

    I. Introduction

    II. Plasmodial Morphology

    III. Mechanism of Protoplasmic Streaming in the Plasmodium

    IV. An Oscillating Regulatory System Controls Shuttle Streaming

    V. A Preliminary Model for the Molecular Mechanism of Shuttle Streaming in the Plasmodium

    References

    Part III. Genetics

    6. Genetics of Physarum polycephalum

    I. Genetic Control of the Life Cycle and of Plasmodium Development

    II. Genes Affecting Processes Other Than Development

    III. General Comments on Methods

    References

    7. Ploidy throughout the Life Cycle in Physarum polycephalum

    I. Introduction

    II. Methods of Estimating Ploidy

    III. Ploidy throughout the Life Cycle

    IV. Factors Affecting Ploidy

    V. Uses of Cultures with Different Ploidy

    References

    8. Genealogy and Characteristics of Some Cultivated Isolates of Physarum polycephalum

    I. Introduction

    II. Origin of Isolates

    III. Characteristics of Isolates

    References

    Part IV. The Plasmodial Cell Cycle

    9. Nuclear Organization during the Cell Cycle in the Myxomycete Physarum polycephalum

    I. Introduction

    II. Structure of the Chromosomes during the Mitotic Cycle

    III. The Nucleolar Cycle

    IV. The Mitotic Apparatus

    References

    10. Chromosome Organization and Chromosomal Proteins in Physartun polycephaltun

    I. Introduction

    II. Nucleosome Structure

    III. Nucleolar Chromatin

    IV. Histones

    V. Postsynthetic Modifications of Histones

    VI. Nuclear Histone Kinase

    VII. Non-Histone Chromosomal Proteins

    References

    11. Organization and Replication of DNA in Physartun polycephalum

    I. The Groundwork

    II. Early Advances

    III. Current Research Areas

    References

    12. RNA Metabolism

    I. Introduction

    II. Properties of DNA and RNA

    III. RNA Synthesis

    IV. RNA Degradation

    V. Transcription in the Mitotic Cycle

    VI. Transcription in Differentiation

    VII. Concluding Remarks

    References

    Index


Product details

  • No. of pages: 458
  • Language: English
  • Copyright: © Academic Press 1982
  • Published: January 28, 1982
  • Imprint: Academic Press
  • eBook ISBN: 9780323149594

About the Editor

Henery Aldrich

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