摘要
IsozymechangesduringearlydevelontofPenaeuschinensisaredescribedforsixenzymes(EST,AMYMDH,GDH,GdandLDH)bymeansofpolyacrylamidegelverticalelectrophoresis.TheresultsshowthatthenumberofisozymesvariesconsiderablyandtheenzymeactivityalsorisesgraduallywithdevelopmentThebandnumberofESTincreasesfrom1innaupliusstageto6inpostlarvalstageTherearethreetypesofAMY,a-AMY,R-AMY,andQ-AMY.ThephenotypeofLdhchangesslightly,showignthesamepatternesceptnaupliusinallthestags.Theremainingthreeenzymes(MDH,GdandGDH)havemorebandsandthei