嗜水气单胞菌重组β-hemA-ISCOMs对鳗鲡的浸泡免疫效果
Immune effects of the eel after immersed with ISCOMs containing recombinant β-hemA of Aeromonas hydrophila.
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摘要: 嗜水气单胞菌重组β-hemA-ISCOMs对鳗鲡的浸泡免疫效果=Immune effects of the eel after immersed with ISCOMs containing recombinant β-hemA of Aeromonas hydrophila[刊,中]/吴宗福(福建省农业科学院生物技术研究所,福建 福州 350003),龚晖,陈红燕,杨金先,刘晓东,林天龙//水产学报,-2007,31(3),-374~378 应用嗜水气单胞菌β-hemA重组菌表达产物作为抗原,制备成免疫刺激复合物(β-hemA-ISCOMs),通过浸泡途径免疫鳗鲡,测定免疫鱼细胞和抗体应答水平和免疫效力。试验结果表明:(1)β-hemA-ISCOMs在电镜下呈笼格状颗粒,直径约40 nm;(2)一免后第44天,β-hemA-ISCOMs免疫组淋巴细胞转化率显著高于非β-hemA-ISCOMs免疫组(P<0.05);(3)免疫浓度在30~120 mg•L-1时,β-hemA-ISCOMs免疫组血清抗体效价与浓度正相关,且显著高于ISM1312佐剂组与无佐剂组(P<0.05);(4)免疫浓度在30~120 mg•L-1时,β-hemA-ISCOMs免疫组存活率与免疫接种剂量正相关,在同等剂量下,β-hemA-ISCOMs免疫组的存活率高于其它组。因此β-hemA-ISCOMs浸泡免疫可诱导宿主产生细胞与抗体介导的免疫应答,产生保护性免疫,ISCOMs技术适用于制备浸泡型渔用疫苗。图3表4参13
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吴宗福,龚晖,陈红燕,杨金先,刘晓东,林天龙.嗜水气单胞菌重组β-hemA-ISCOMs对鳗鲡的浸泡免疫效果[J].水产学报,2007,31(3):374~378
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收稿日期:2007-06-05
最后修改日期:2007-06-05
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在线发布日期: 2007-06-06
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