不同投喂方式对麻痹性贝毒在贝类体内累积、转化及排出过程的比较  

Comparison of proccesses of accumulation,transformation and depuration of paralytic shellfish poison in Chlamys farreri and Ruditapes philippinesis in different feeding ways

作　　者：焦玥[1] 田华[2] 王宗灵[1] 高春蕾[1] 

机构地区：[1]国家海洋局第一海洋研究所海洋生态环境科学与工程重点实验室,山东青岛266061 [2]中国海洋大学海洋生命学院,山东青岛266003

出　　处：《海洋环境科学》2010年第6期838-842,852,共6页Marine Environmental Science

基　　金：科技部国际科技合作项目(2007DFA30710);科技部社会公益研究专项(2005DIB2J116)

摘　　要：初步比较了两种不同投喂方式(连续投喂方式和定期投喂方式)对麻痹性贝毒在栉孔扇贝和菲律宾蛤仔体内累积与排出过程的影响。结果表明,不同投喂方式对麻痹性贝毒在菲律宾蛤仔体内的累积影响显著,相比于定期投喂方式,连续投喂方式不利于麻痹性贝毒在蛤仔体内的累积,且有助于贝毒的排出。而不同的投喂方式对麻痹性贝毒在栉孔扇贝体内的累积也有影响,连续投喂方式下扇贝累积效应强于定期投喂方式,但不如对蛤仔的累积差异影响显著。此外,不同投喂方式也导致了麻痹性贝毒种类存在差异,连续投喂方式下蛤仔体内主要是GTX2,可能主要是由其他种类转化而来,定期投喂方式下主要为GTX1,而扇贝体内GTX4比例最高,连续投喂方式下扇贝体内GTX4的比例略高于定期投喂的,但累积与排出过程的毒素种类比例变化不显著。The study on the accumulation,transformation and depuration of paralytic shellfish poison in Chlamys farreri and Ruditapes philippinesis in different feeding ways（continuous feeding way and regular feeding way） was done.The result showed that it had an obvious discrepancy in PSP accumulation in R.philippinesis in different feeding ways.The continuous feeding way was disadvantaged to PSP accumulation in R.philippinesis.The different feeding ways also made a discrepancy in PSP accumulation in C.farreri.It had a discrepancy in PSP toxin composition in different feeding way.In continuous feeding way the main PSP toxin in R.philippinesis was GTX2 which might be transformed from other PSP toxin.In regular feeding way the main PSP toxin was GTX1.But in C.farreri GTX4 was the main PSP toxin.The proportion of GTX4 in the continuous feeding way was larger than in the regular feeding way.

关 键 词：投喂方式 麻痹性贝毒(PSP) 贝类 

分 类 号：Q331[生物学—遗传学]