Effects of pronase on the development of reversed symmetry and duplications in the sea urchin, Arbacia punctulata☆
[摘要] Precleavagezygotesoftheseaurchin,Arbaciapunctulata,wereexposedtoPronase.Thesetreatedembryosandnontreatedcontrolembryoswererearedthroughmetamorphosis.Allcontrollarvaedevelopednormalrudimentsfromtheleftcoelomandassociatedstructures.Ontheotherhand,manyofthepluteiwhichhadbeenexposedtoPronasehaddevelopedreversedsymmetry(i.e.,arudimentontherightside)orarudimentonboththerightandtheleftsides.Thesignificanceoftheseresultswithregardtocontrolsofspatialpatterningisdiscussedintermsofgradientsofmorphogeneticdeterminants,cellsurfaceproperties,adhesiveness,andcelldeath.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学（综合）
[关键词] [时效性]
