文献类型： 外文期刊
作者： Liu, Li -Shi 1 ; Fan, Jin-Quan 1 ; Zhang, Meng -En 1 ; Chen, Qi 1 ; Yang, Xin-Jun 1 ; Hong, Qian -Ming 1 ; Huang, Wen 2 ; Chen, Yi -Hong 1 ;
作者机构： 1.South China Normal Univ, Inst Modern Aquaculture Sci & Engn IMASE, Coll Life Sci, Key Lab Hlth & Safe Aquaculture, Guangzhou 510631, Peoples R China
2.Guangdong Acad Agr Sci, Inst Anim Sci, Collaborat Innovat Ctr Aquat Sci, Guangdong Key Lab Anim Breeding & Nutr, Guangzhou 510640, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519000, Peoples R China
关键词： Litopenaeus vannamei; Peritrophic membrane; Peritrophin 44; White spot syndrome virus; Unfolded protein response
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：7.7； 五年影响因子：7.7 ）
ISSN： 0141-8130
年卷期： 2024 年 272 卷
页码：
收录情况： SCI
摘要： Peritrophic membrane (PM) is a pellicle structure present in the midgut of some invertebrates, such as insects and crustaceans. It could isolate harmful components and pathogens in food from intestinal epithelial cells; and it also plays a role in improving digestion and absorption efficiency. So PM is important for survival of its owner. In current study, 44 PM proteins were identified in Litopenaeus vannamei by PM proteome analysis. Among these PM proteins, the Peritrophin-44 homologous protein (LvPT44) was further studied. Chitin-binding assay indicated that LvPT44 could bind to colloidal chitin, and immunoeletron microscopy analysis shown that it was located to PM of L. vannamei. Furthermore, LvPT44 promoter was found to be activated by L. vannamei STAT and c-Jun. Besides, LvPT44 was induced by ER-stress as well as white spot syndrome virus infection. Knocked-down expression of LvPT44 by RNA inference increased the cumulative mortality of shrimp that caused by ER-stress or white spot syndrome virus. These results suggested that LvPT44 has an important role in disease resistance.
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