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Table 3 Effect of double treatments on anaphase chromosome movements

From: Calyculin A, an enhancer of myosin, speeds up anaphase chromosome movement

   # of half-bivalent pairs followed
Treatment # of cells total accelerated after first drug slowed or stopped after first drug no change after first drug accelerated after second drug slowed or stopped after second drug no change after second drug backwards
1st – CalA in anaphase
2nd – Y27632 in anaphase
5 11 9 0 2 0 0 11 5
1st – Y27632 in anaphase
2nd – CalA in anaphase
3 7 0 7 0 7 0 0 2
1st – CalA in anaphase
2nd – BDM in anaphase
3 7 7 0 0 0 6 1 5*
1st – LatB in anaphase
2nd – CalA in anaphase
4 7 0 4 3 7 0 0 3*
  1. * 3 of the 5 half-bivalent pairs are from cells in which the second drug (BDM) was washed out
  2. ** 2 of the 3 half-bivalent pairs are from one cell in which LatB had no effect and 1 of the 3 pairs is from a cell in which LatB slowed chromosome movement