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Purification and Characterization of an Antibacterial Peptide from Rana Temporaria Chensinensis Skin
作者姓名:GOU Xiao jun  LI Xiang hui  DING Tian bing  WANG Yong ting CHEN Huai yong  HUANG Cheng fang  DONG Qing chu and LI Qing shan *
作者单位:GOU Xiao jun,LI Xiang hui,DING Tian bing,WANG Yong ting CHEN Huai yong,HUANG Cheng fang,DONG Qing chu and LI Qing shan * (College of Life Science,Jilin University,Changchun 130023,P.R. China
摘    要:IntroductionInadditiontothehighlyspecificcell-mediatedimmunesystem,vertebratesandotherorganismshaveadefensesystemmadeupofdistinctgroupsofbroad-spectrumantibacterialpeptides[1—3].Antibacterialpeptidescanbeclassifiedintotwogroupsbasedonhavingdisul-fide…


Purification and Characterization of an Antibacterial Peptide from Rana Temporaria Chensinensis Skin
GOU Xiao jun,LI Xiang hui,DING Tian bing,WANG Yong ting CHEN Huai yong,HUANG Cheng fang,DONG Qing chu and LI Qing shan *.Purification and Characterization of an Antibacterial Peptide from Rana Temporaria Chensinensis Skin[J].Chemical Research in Chinese University,1999(4).
Authors:GOU Xiao jun  LI Xiang hui  DING Tian bing  WANG Yong ting CHEN Huai yong  HUANG Cheng fang  DONG Qing chu and LI Qing shan
Institution:GOU Xiao jun,LI Xiang hui,DING Tian bing,WANG Yong ting CHEN Huai yong,HUANG Cheng fang,DONG Qing chu and LI Qing shan *
Abstract:The Rana temporaria chensinensis is an amphibian distributing mainly over the north of China. Its skin gland contains a variety of peptides, including antibacterial peptides. One of them, component 1, has been purified from the dried skin of R.temporaria chensinesis using a five step procedure. Purified component 1 has a molecular weight of 5 700 and its amino acid composition shows that it is devoid of disulfide bridges but rich in histine and glycine residues. Moreover, it has been found that it has a broad spectrum of antibacterial activity for Pseuctomonas aeruginosa, Escherichia coli, Bacillus sublilis, S. faccalis and Proteus vulgaris .
Keywords:Antibacterial activity  Peptide  Dried skin  
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