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Transcriptome reveal the response to Cry1Ac toxin in susceptible Bombyx mori

文献类型： 外文期刊

作者： Qin, Sheng 1 ; Zhang, Shu 2 ; Sun, Xia 1 ; Kong, Yunhui 2 ; Hou, Chengxiang 1 ; Li, Muwang 1 ;

作者机构： 1.Jiangsu Univ Sci & Technol, Sch Biotechnol, Jiangsu Key Lab Sericultural Biol & Biotechnol, Zhenjiang 212018, Jiangsu, Peoples R China

2.Chinese Acad Agr Sci, Sericultural Res Inst, Minist Agr, Key Lab Silkworm & Mulberry Genet Improvement, Zhenjiang, Jiangsu, Peoples R China

关键词： Bombyx mori; Bt toxin; Cry1Ac; transcriptome

期刊名称：ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：1.536； 五年影响因子：1.546 ）

ISSN： 0739-4462

年卷期：

页码：

收录情况： SCI

摘要： Bombyx mori as a representative in Lepidoptera is an important economic insect in agriculture production. Bacillus thuringiensis (Bt) is a bacterial pathogen in silkworm production. Understanding how silkworm respond to Bt-toxin can provide guidance to cultivate resistant silkworm strains. Cry1Ac is one type of Bt-toxin. In current research, Dazao, a susceptible B. mori strain to Bt-toxin, was treated by Cry1Ac toxin and compared its transcriptome with untreated samples. This analysis detected 1234 differentially expressed genes (DEGs). Gene Ontology, KEGG, and UniProt keyword enrichment analysis showed that DEGs include ATP-binding cassette (ABC) transporter, stress response, cuticle, and protein synthesis, and folding process. Five ABC genes were upregulated after Cry1Ac treatment including ABCA2, ABCA3, and ABCC4. They are also known as the transporters of Bt-toxin in lepidopteran insect. Expression of cuticle proteins was significantly increased at 6 h after Cry1Ac treatment. Sex-specific storage-proteins and heat shock protein were also upregulated in Cry1Ac treated samples. Our data provide an expression profile about the response of Cry1Ac toxin in susceptible B. mori strain.

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