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栉孔扇贝体内类支原体样生物的分离纯化

, PP. 141-144

Keywords: 栉孔扇贝,支原体样生物,泛影葡胺密度梯度离心,纯化

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Abstract:

栉孔扇贝(Chlamysfarreri)是我国北方诸省传统的一种养殖贝类.自20世纪90年代以来,北方海域养殖的栉孔扇贝灾难性的死亡事件屡有发生,1997年最甚.该贝一般呈现两个死亡高峰期:其一为春季(3~5月)死亡,在有些海区死亡率达50%以上;其二为夏季高温期(6~9月)死亡,一般在持续27℃以上高温天气(如在8月)死亡尤为严重,此期内死亡率高达80%以上,甚至有的海区100%死亡[1]1).

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