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首页> 外文期刊>Fish & Shellfish Immunology >Dietary Hizikia fusiforme enhance survival of white spot syndrome virus infected crayfish Procambarus clarkii
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Dietary Hizikia fusiforme enhance survival of white spot syndrome virus infected crayfish Procambarus clarkii

机译：膳食肝肝肝芙蓉增强了白斑综合征病毒感染小龙虾procamarus clarkii的存活

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摘要

The sea vegetable Hizikia fusiforme is not only a good source of dietary fiber but also enhances immunity. In this study, we investigated the effects of H. fusiforme on innate immunity in invertebrates, using white spot syndrome virus (WSSV) challenge in the crayfish, Procambarus clarkii. Supplementation with H. fusiforme significantly reduced mortality caused by WSSV infection and also reduced copy numbers of the WSSV protein VP28. Quantitative reverse transcription-polymerase chain reaction showed that supplementation of feed with H. fusiforme increased the expression of immune-related genes, including NF-kappa B and crustin 1. Further analysis showed that supplementation with H. fusiforme also affected three immune parameters, total hemocyte count, and phenoloxidase and superoxide dismutase activity. H. fusiforme treatment significantly increased hemocyte apoptosis rates in both WSSV-infected and uninfected crayfish. H. fusiforme thus regulates the innate immunity of crayfish, and both delays and reduces mortality after WSSV challenge. Our study demonstrates the potential for the commercial use of H. fusiforme, either therapeutically or prophylactically, to regulate the innate immunity and protect crayfish against WSSV infection.
机译：海洋植物Hizikia fusiforme不仅是膳食纤维的好来源，而且还增强了免疫力。在这项研究中，我们调查了H.Fusiforme对无脊椎动物的豁免权，使用白斑综合征病毒（WSSV）挑战在小龙虾，Procambarus Clarkii挑战的影响。用H.Fusiforme补充，显着降低了由WSSV感染引起的死亡率，并且还减少了WSSV蛋白VP28的拷贝数。定量逆转录 - 聚合酶链反应显示，用H.Fusiforme的饲料补充增加了免疫相关基因的表达，包括NF-Kappa B和Crustin 1.进一步分析表明，补充了H.Fusiforme也影响了三种免疫参数，总计血液细胞计数，酚氧化酶和超氧化物歧化酶活性。 H.Fusiforme治疗在WSSV感染和未感染的小龙虾中显着增加了血液细胞凋亡率。因此，H.Fusiforme因此调节小龙虾的先天免疫力，以及在WSSV挑战后延迟并降低死亡率。我们的研究表明，治疗或预防性的H.Fusiforme商业用途的潜力，以调节先天免疫和保护小龙虾免受WSSV感染的影响。

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