数字农科院2.0

Reducing the pathogenicity of BmNPV in silkworms using silver nanoparticles

文献类型： 外文期刊

作者： Zou Ruyi;Zhou Lianwei;Xia Jinhua;Hong Liming;Zou Zhenyou;Liu Miao;Chen Ninan;Xu Shuoqi;Qian Tianle;Zhou Yiqing;Wang Cui;Hu Bing;Liang Ruobing;Yang Zhenlin;Ma Aiping;Shen Zhongyuan

作者机构：

关键词： Septicemia;Lepidoptera;Bombycidae;Bombyx mori;hemocytes;survival rate;nuclear polyhedrosis virus;colloid

期刊名称： ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA

ISSN： 0013-8703

年卷期： 2012 年 144 卷 3 期

页码：

收录情况： SCI

摘要： This study examined the efficacy of silver nanoparticles colloid (AgNPC) in reducing the pathogenicity of the Bombyx mori L. (Lepidoptera: Bombycidae) nuclear polyhydrosis virus (BmNPV) in silkworms. We found that the survival rate of the infected silkworms improved significantly, from 22 to 67%, following treatment with AgNPC. However, AgNPs caused clumping of hemocytes in vivo and this was associated with slight weight loss and reduced cocoon size in the treated silkworms. The adherence of silver nanoparticles to the virus or hemocytes caused them to aggregate. In addition, by catalyzing the generation of free radicals, silver nanoparticles can perforate and break up the virus capsids, proteins, and DNA of the BmNPVs, thus restraining their pathogenicity and improving the survival capacity of infected silkworms.

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