Transcriptome Analysis of Silkworm, Bombyx mori, during Early Response to Beauveria bassiana Challenges

文献类型： 外文期刊

第一作者： Hou, Chengxiang

作者： Hou, Chengxiang;Qin, Guangxing;Liu, Ting;Geng, Tao;Gao, Kun;Pan, Zhonghua;Qian, Heying;Guo, Xijie;Hou, Chengxiang;Qin, Guangxing;Liu, Ting;Qian, Heying;Guo, Xijie

作者机构：

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2014 年 9 卷 3 期

页码：

收录情况： SCI

摘要： Host-pathogen interactions are complex processes and it is a central challenge to reveal these interactions. Fungal infection of silkworm, Bombyx mori, may induce a variety of responsive reaction. However, little is known about the molecular mechanism of silkworm immune response against the fungal infection. To obtain an overview of the interaction between silkworm and an entomopathogenic fungus Beauveria bassiana, Digital Gene Expression profiling, a tag based high-throughput transcriptome sequencing method, was employed to screen and identify differentially expressed genes (DEGs, FDR <= 0.001, log(2)ratio >= 1) of silkworm larvae during early response against B. bassiana infection. Total 1430 DEGs including 960 up-regulated and 470 down-regulated ones were identified, of which 627 DEGs can be classified into GO categories by Gene Ontology (GO) analysis. KEGG pathways analysis of these DEGs suggested that many biological processes, such as defense and response, signal transduction, phagocytosis, regulation of gene expression, RNA splicing, biosynthesis and metabolism, protein transport etc. were involved in the interaction between the silkworm and B. bassiana. A number of differentially expressed fungal genes were also identified by mapping the sequencing tags to B. bassiana genome. These results provided new insights to the molecular mechanism of silkworm immune response to B. bassiana infection.

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