But the cytophagy could not decrease the amount of microcystin.The cytophagy was promoted by low concentration phenol and was inhibited by low concentration phenol.

• 低浓度的苯酚可以促进鞭毛虫的吞噬作用，而较高浓度苯酚又会抑制鞭毛虫的吞噬作用，甚至杀死鞭毛虫。