Journal
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
Volume 77, Issue -, Pages 56-68Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dci.2017.07.014
Keywords
Pteromalus puparum; Serine protease; Serine protease homolog; Expression profile; Venom gland
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Funding
- National Natural Science Foundation of China [31472038, 31272098]
- Major International (Regional) Joint Research Project of National Natural Science Foundation [31620103915]
- China National Science Fund for Distinguished Young Scholars [31025021]
- Foundation for Innovative Research Group from Ministry of Agriculture, China
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In insects, serine proteases (SPs) and serine protease homologs (SPHs) constitute a large family of proteins involved in multiple physiological processes such as digestion, development, and immunity. Here we identified 145 SPs and 38 SPHs in the genome of an endoparasitoid, Pteromalus puparum. Gene duplication and tandem repeats were observed in this large SPs/SPHs family. We then analyzed the expression profiles of SP/SPH genes in response to different microbial infections (Gram-positive bacterium Micrococcus luteus, Gram-negative bacterium Escherichia coli, and entomopathogenic fungus Beauveria bassiana), as well as in different developmental stages and tissues. Some SPs/SPHs also displayed distinct expression patterns in venom gland, suggesting their specific physiological functions as venom proteins. Our finding lays groundwork for further research of SPs and SPHs expressed in the venom glands. (C) 2017 The Authors. Published by Elsevier Ltd.
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