Pollen : structure, types, and effects /

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Kaiser, Benjamin J. (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York : Nova Science Publishers, Inc., [2010]
Colección:Environmental science, engineering and technology series.
Temas:
Pollen.
Pollen
pollen.
SCIENCE > Life Sciences > Developmental Biology.
Palynology
Acceso en línea:Texto completo
Tabla de Contenidos:
  • POLLEN: STRUCTURE, TYPES AND EFFECTS
  • POLLEN: STRUCTURE, TYPES AND EFFECTS
  • Contents
  • Preface
  • 2n Pollen Formation: 40 Cytological Mechanisms of Nuclear Meiotic Restitution
  • Abstract
  • Introduction
  • 1. Normal Cytoskeleton Dynamics during Pollen Mother Cells Meiotic Division
  • 1.1. Cytoskeleton Cycle during First Meiosis with Successive Cytokinesis in Monocotyledonous Species
  • 1.2. Cytoskeleton Cycle in Male Meiosis in Dicotyledonous Species with Simultaneous Cytokinesis
  • 1.3. Simultaneous and Successive Cytokinesis Compared
  • ""2. Prophase Abnormalities as the Reason for Meiotic Restitution""""2.1. Cytoskeleton Conservation in the Interphase Radial Configuration""; ""2.2. Fused Spindle. Approachment of Nuclei at Prophase II of Meiosis with Simultaineous Cytokinesis in Dicotyledonous Species""; ""2.3. Fused Spindle. Fusion of Cytoskeleton Perinuclear Rings at Prophase II""; ""2.4. Cortical Cytoskeleton Ring and Meiotic Restitution""; ""2.5. Autonomous Cytoskeleton Ring""; ""2.6. Chromosome Arrest in the Zygothene â€?â€?Bouquetâ€? Configuration: Monopolar Chromosome Migration in a Bipolar Spindle""
  • ""3. Early Prometaphase Abnormalities Leading to Nuclear Restitution""""3.1. Cytoskeleton Conservation in the Perinuclear Ring Configuration""; ""3.2 Aberration in Straightening of Microtubules of Perinuclear Ring: C-Spindle""; ""3.3 Arrest of Cytoskeleton Invading the Former Nuclear Area""; ""4. Mid Prometaphase Abnormalities and Meiotic Restitution""; ""4.1. Monopolar Spindle""; ""4.2. Autonomous Spindle""; ""4.3. Chromosomes Monopolar Migration in a Bipolar Spindle. “Cometâ€? Phenotype""
  • 4.4. Fused Spindle. Approachment and Fusion of Cytoskeleton Chaotic Figures at Mid-Prometaphase II in PMCs with Simultaneous Cytokinesis in Dicots5. Abnormalities of Late Prometaphase as a Meiotic Restitution Mechanism
  • 5.1. Chaotic Spindle
  • 5.2. Spindle Disorientation at Metaphase II in the Meiosis with Simultaineous Cytokinesis in Dicots
  • 6. Anaphase Abnormalities that Lead to Meiotic Restitution
  • 6.1. Aberration of Anaphase Chromosome Movement
  • 6.2. Spindle Shortening During Anaphase
  • 7. Cytoskeleton Abnormalities at Telophase and Meiotic Restitution
  • 7.1. Arrest of Basic Telophase Processes7.2. Complete Arrest of Cytokinetic Processes at Early Phragmoplast Stage
  • 7.3. Arrest at Early Phragmoplast Stage with Element of Centrifugal Movement: Gamma-Phenotype
  • 7.4. Consolidation of Laggard Chromosomes into the Restitution Nucleus
  • 7.5. Arrest of Phragmoplast Development at the Stage of Hollow Cylinder
  • 7.6. Excessive Curvature of Phragmoplast Fibers during Centrifugal Movement
  • 7.7. Aberration of Phragmoplast Centrifugal Movement

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