Front Cover

Advances in Morphogenesis

Copyright Page

Table of Contents

Contributors to Volume 10

Chapter 1. The "Organization Center" of the Amphibian Embryo: Its Origin, Spatial Organization, and Morphogenetic Action

I. Justification

II. The Discovery of the "Organization Center," and a Description of Its Main Properties.

III. The State of Determination and Capacity for Differentiation of the Various Regions of the Early Gastrula

IV. The Induction of the Mesoderm

V. The Origin of the Regional Organization of the Mesoderm; Its Dorsoventral and Craniocaudal Polarity

VI. Concluding Remarks

References

Chapter 2. Physiological Gradients in Development-A Possible Role for Messenger Ribonucleoprotein

I. Introduction

II. Gradients and Determination in Early Embryos

III. Some Other Gradient Systems in Development

IV. Some Further Possible Analogies with Embryonic Animalizations

V. Discussion

VI. Summary

Appendix

References

Chapter 3. Molecular Embryology of Invertebrates

I. Introduction

II. Molecular Embryology of the Sea Urchin

III. Molecular Embryology of Other Invertebrates

IV. Molluscs

Addendum

References

Note Added in Proof

Chapter 4. Biochemical Aspects of Early Differentiation in Vertebrates

I. Introduction: The Problems in Analyzing Differentiation

II. Differentiation in Early Embryonic Cells

III. Primary Tissue Interactions

IV. Protein and Nucleic Acid Changes during Organogenesis: Comparative Studies

V. Biochemical and Functional Differentiation in Individual Organ Systems

VI. Conclusions

References

Chapter 5. Photomorphogenesis and Nucleic Acid Metabolism in Fern Gametophytes

I. Introduction

II. Normal Growth of the Gametophyte

III. Growth of Filamentous Prothalli

IV. Transition of Filamentous Prothalli to Biplanar Gametophytes

V. Protein and Nucleic Acid Metabolism in the Induction of Biplanar Growth

VI. Hypothetical Control Mechanisms

References

Chapter 6. The Development, Inheritance, and Origin of the Plastid in Euglena

I. Introduction

II. The Development of the Proplastid into the Chloroplast in Euglena

III. How Did the Plastid Originate?

IV. Conclusions

References

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