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A novel expression vector for the secretion of abaecin in Bacillus subtilis BJM
Li,Li; Mu,Lan; Wang,Xiaojuan; Yu,Jingfeng; Hu,Ruiping; Li,Zhen.
ABSTRACT This study aimed to describe a Bacillus subtilis expression system based on genetically modified B. subtilis. Abaecin, an antimicrobial peptide obtained from Apis mellifera, can enhance the effect of pore-forming peptides from other species on the inhibition of bacterial growth. For the exogenous expression, the abaecin gene was fused with a tobacco etch virus protease cleavage site, a promoter Pglv, and a mature beta-glucanase signal peptide. Also, a B. subtilis expression system was constructed. The recombinant abaecin gene was expressed and purified as a recombinant protein in the culture supernatant. The purified abaecin did not inhibit the growth of Escherichia coli strain K88. Cecropin A and hymenoptaecin exhibited potent bactericidal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Abaecin; Antimicrobial peptides; Bacillus subtilis; Expression.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822017000400809
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