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Table 3 Summary of the Sub-cellular Characteristics of Embryos Exposed to Anoxia.

From: Characterization of sub-nuclear changes in Caenorhabditis elegans embryos exposed to brief, intermediate and long-term anoxia to analyze anoxia-induced cell cycle arrest

Normoxia 30 Minutes Anoxia (Brief) 6–12 Hours Anoxia (Intermediate) 24–72 Hours Anoxia (Long-term)
Prophase Blastomeres:
Chromosomes Throughout Nucleoplasm Chromosomes Aligned Near Nuclear Membrane Chromosomes Aligned Near Nuclear Membrane Chromosomes Aligned Near Nuclear Membrane
Histone H3 Phosphorylation Histone H3 Phosphorylation Histone H3 Dephosphorylation Histone H3 Dephosphorylation
Metaphase Blastomeres:
Metaphase Plate Normal Metaphase Plate Normal Metaphase Plate LengthReduced Metaphase Plate LengthReduced
Histone H3 Phosphorylation Histone H3 Phosphorylation Histone H3 Phosphorylation Histone H3 Dephosphorylation
Microtubules Polymerization Detectable Microtubule Depolymerization Microtubule Spindle Perimeter Reduced Microtubule Spindle Perimeter Reduced
SAN-1 Localizationat Kinetochore and Nucleoplasm SAN-1 Localization at Kinetochore or Lateral Extensions SAN-1 Localization at Kinetochore or Lateral Extensions SAN-1 Reduced Localization at Kinetochore
SAN-1 not essential SAN-1 essential SAN-1 essential SAN-1 essential
Interphase Blastomeres:
Chromosomes Throughout Nucleoplasm Chromosome Condensation Chromosome Condensation and Alignment Near Nuclear Membrane Chromosome Condensation and Alignment Near Nuclear Membrane