僧帽牡蛎幼体附着和变态的诱导

被引：14

作者：

柯才焕

李少菁

李复雪

郑重

机构：

[1] 厦门大学海洋系!福建厦门

来源：

水产学报 | 2000年 / 03期

关键词：

僧帽牡蛎; 附着; 变态;

D O I：

暂无

中图分类号：

Q959.2 [];

学科分类号：

摘要：

采用外加人工化学物质检验对僧帽牡蛎眼点幼体的附着和变态诱导活性 ,结果表明 :去甲肾上腺素、肾上腺素和L 多巴可有效诱导幼体不固着变态。在药物持续作用下 ,肾上腺素的最佳诱导浓度为 1 0 -5mol·L-1(变态率 6 7.4% ) ,去甲肾上腺素的最佳诱导浓度为 5× 1 0 -5mol·L-1(变态率 5 2 .2 % ) ,L -多巴的最佳诱导浓度为 1 0 -5mol·L-1(变态率 43.0 % ) ,而对照组变态率为 0。幼体大多在药物作用 1 2～ 2 4h之间完成变态。三种药物诱导的变态个体中有 85 %以上是不固着变态。比较多种附着基和EPI的变态诱导活性 ,显示同种贝壳的活性较肾上腺素还高。去甲肾上腺素诱导幼体变态效应对低盐海水有较强耐受能力 ,而对高盐海水适应性差

引用

页码：229 / 234

页数：6

共 9 条

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