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Title: Identification of the small heat shock protein, HSP21, of shrimp Penaeus monodon and the gene expression of HSP21 is inactivated after white spot syndrome virus (WSSV) infection
Authors: Po-Yu Huang;Shih-Ting Kang;Wei-Yu Chen;Tai-Ching Hsu;Chu-Fang Lo;Kuan-Fu Liu;Li-Li Chen
Contributors: NTOU:Institute of Marine Biology
Keywords: White spot syndrome virus (WSSV);Small heat shock protein (smHSP);Penaeus monodon;Chaperone activity;Expressed sequence tag (EST)
Date: 2008-09
Issue Date: 2011-10-21T03:05:25Z
Publisher: Fish & Shellfish Immunology
Abstract: Abstract;The white spot syndrome virus (WSSV) is the causative agent of a severe disease in cultivated shrimp. The virus causes high mortality and leads to heavy stress on shrimps. In response to a variety of stresses, living organisms express particular sets of genes such as HSPs. In this study, a HSP21 gene, categorized into the small heat shock protein (smHSP) family, of shrimp Penaeus monodon was identified by annotating the EST databases established from WSSV-infected and WSSV-uninfected shrimp. The shrimp HSP21 gene was 555 bp in length. The thermal aggregation assay showed that the HSP21 had chaperone activity. The result of real-time PCR indicated that HSP21 was constitutive and inducible and was highly expressed in almost all organs such as the epithelium, gill, stomach, midgut, lymphoid organ, hepatopancreas, nervous tissue and heart, but less expressed in haemolymph. However, HSP21 gene showed down-regulation after WSSV infection. It suggests that gene regulation of HSP21 was seriously affected by WSSV.
Relation: 25(3), pp.250–257
URI: http://ntour.ntou.edu.tw/handle/987654321/29354
Appears in Collections:[海洋生物研究所] 期刊論文

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