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中国生物工程杂志

China Biotechnology
China Biotechnology  2010, Vol. 30 Issue (01): 47-50    DOI:
    
Cytolytic Activity Analysis of Grass Carp Perforin C-terminal Peptide
XIA Yu-jie,WU Chu-xin,HU Cheng-yu
College of Life Sciences and Food Engineering, Nanchang University, Nanchang 330031, China
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Abstract  

The cytolytic effect of perforin is a mechanism of anti-virus, killing microbial-infected cells and tumor cells. Perforin is a very important non-specific immune factors in fish. In order to understand the function of perforin,the cDNA of grass carp perforin C-terminal peptide was amplified from grass carp liver and kidney cDNA library. It contains a protein kinase C conserved region 2(C2). The cDNA was connected with pET32a, and transformed to expression bacteria DE3. PFP-C was expressed by a prokaryotic expression system and then purified by affinity chromatography. It showed a significant haemolytic activity when tested with rabbit red cells, the optimal pH for haemolytic activity was 7.5, and its haemolytic function dependents on Ca2+ apparently.



Key wordsperforin      C2      cytolytic      grass carp     
Received: 27 October 2009      Published: 27 January 2010
Cite this article:

JIA Yu-Ji, TUN Chu-Xin, HU Cheng-Yu. Cytolytic Activity Analysis of Grass Carp Perforin C-terminal Peptide. China Biotechnology, 2010, 30(01): 47-50.

URL:

https://manu60.magtech.com.cn/biotech/     OR     https://manu60.magtech.com.cn/biotech/Y2010/V30/I01/47

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