Immune-Related Gene Spatzle4 and Its Differential Immune Responses against Microbes in the Silkworm, Bombyx Mori
American Journal of Clinical and Experimental Medicine
Volume 3, Issue 6, November 2015, Pages: 344-349
Received: Dec. 11, 2015; Published: Dec. 11, 2015
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Authors
Ying Xu, College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang City, P. R. China
Ji Liu, College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang City, P. R. China
Fengpeng Li, College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang City, P. R. China
Xuefang Wang, College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang City, P. R. China
Xihai Li, College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang City, P. R. China
Zhongyuan Shen, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang City, P. R. China
Jinmei Wu, College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang City, P. R. China; The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang City, P. R. China
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Abstract
Spatzle is a key factor in Toll signaling pathway against microbe invasion. The spatzle4 gene from silkworm (Bmspz4) was successfully cloned in this study, it is the second cloned and studied gene in the Spz family besides Bmspz1 in the silkworm and it was cloned for the first time in silkworm integument. The spatzle4 gene expression was analyzed in different tissues of the third day fifth instar larvae and the highest expression was detected in the head, and secondly in integument. Microbe infection showed that BmSpz4 participated in immune response. The transcriptional expression of BmSpz4 was induced differentially between Gram-negative bacteria and Gram-positive bacteria or fungi. This study showed that Bmspz4 gene plays an important role in the innate immunity of integument of silkworm, Bombyx mori.
Keywords
Spatzle, Immune Response, Silkworm, Immune-Related Gene, Microbe
To cite this article
Ying Xu, Ji Liu, Fengpeng Li, Xuefang Wang, Xihai Li, Zhongyuan Shen, Jinmei Wu, Immune-Related Gene Spatzle4 and Its Differential Immune Responses against Microbes in the Silkworm, Bombyx Mori, American Journal of Clinical and Experimental Medicine. Vol. 3, No. 6, 2015, pp. 344-349. doi: 10.11648/j.ajcem.20150306.14
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