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Table 1 Metaphase plate and spindle structure in anoxic embryos

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

 

Metaphase Plate

Metaphase

 

Length ± SD (μm)

Width ± SD (μm)

Spindle Perimeter ± SD (μm)

Normoxia

4.33 ± .48

.96 ± .13

13.83 ± .85

Anoxia:

   

   30 minutes

3.92 ± .45

.87 ± .10

13.73 ± .87

   6 hours

3.51 ± .19

1.12 ± .19

9.20 ± .74

   12 hours

3.23 ± .10

1.24 ± .13

8.41 ± .25

   24 hours

2.51 ± .30

1.26 ± .07

6.77 ± .63

   72 hours

2.71 ± .18

1.25 ± .04

6.82 ± .37

  1. For each assay at least 12 embryos were assayed.
  2. SD is Standard Deviation
  3. The p value was < .001 for metaphase plate length and metaphase spindle perimeter measurements for embryos exposed to 6 or more hours of anoxia and for metaphase plate width measurements for embryos exposed to 12 hours of anoxia.