Except LDH was not checked up band, the electrophoresis results of other three isoenzymes indicated that the isoenzymes of dark cultivated P. bursaria had more bands and higher content .

• 除了对乳酸脱氢酶未检出酶蛋白条带外，其它三种酶的电泳图谱都显示暗培养草履虫的同工酶组成条带多、含量高。