The acclaimed International Review of Cytology series presents current advances and reviews in cell biology, both plant and animal. Articles address structure and control of gene expression, nucleocytoplasmic interactions, control of cell development and differentiation, and cell transformation and growth. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research. Contributors to this volume are Kiminobu Sugaya, Dario Leister, Anja Schneider, Bernd Reiss, Karl-Josef Dietz, and Jonathan J. Henry. The acclaimed International Review of Cytology series presents current advances and reviews in cell biology, both plant and animal. Articles address structure and control of gene expression, nucleocytoplasmic interactions, control of cell development and differentiation, and cell transformation and growth. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research. Contributors to this volume are Kiminobu Sugaya, Dario Leister, Anja Schneider, Bernd Reiss, Karl-Josef Dietz, and Jonathan J. Henry.