Effects of concanavalin A on the fertilization of sea urchin eggs☆
[摘要] ConcanavalinA(ConA)affectedsperm-egginteractionsofArbaciapunctulataandStrongylocentrotuspurpuratusbyinhibitinginseminationatminimallysaturatingspermconcentrations.However,thisinhibitionwasovercomebyincreasingthespermdensity.Spermconcentrations(106/ml)yielding100%fertilizationofcontrolpreparationsresultedinonly72%inseminationofConA-treatedova(104/ml).Althoughacorticalgranulereactionoccurredinfertilized,ConA-treatedeggs,thedistancethefertilizationmembraneseparatedfromthezygote'ssurfacewasnotasgreatasobservedincontrols.TheseresultsmaybethebasisforpreviousreportsofConAinhibitingfertilizationinseaurchins.
[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]
