High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity

Antibacterial peptides are endogenous polypeptides produced by multicellular organisms to protect the host against pathogenic microbes, they show broad spectrum antimicrobial activities against various microorganisms and possess low propensity for developing resistance. The purpose of this study is...

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Main Authors: Xufeng Dong, Hu Shan, Shubai Wang, Zhengjun Jiang, Shaojuan Wang, Zhihua Qin
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-06-01
Series:Frontiers in Microbiology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2023.1153365/full
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author Xufeng Dong
Hu Shan
Shubai Wang
Zhengjun Jiang
Shaojuan Wang
Zhihua Qin
author_facet Xufeng Dong
Hu Shan
Shubai Wang
Zhengjun Jiang
Shaojuan Wang
Zhihua Qin
author_sort Xufeng Dong
collection DOAJ
description Antibacterial peptides are endogenous polypeptides produced by multicellular organisms to protect the host against pathogenic microbes, they show broad spectrum antimicrobial activities against various microorganisms and possess low propensity for developing resistance. The purpose of this study is to develop recombinant antibacterial peptide cathelicidin-BF by genetic engineering and protein engineering technology, and study its antibacterial activity in vitro and in vivo, so as to provide reference for the production and application of recombinant antibacterial peptide cathelicidin-BF. In this study, on account of Pichia pastoris eukaryotic expression system, we expressed and prepared antibacterial peptide cathelicidin-BF. Then, the minimum inhibitory concentration of antibacterial peptide cathelicidin-BF and the comparison with the antibacterial activity of antibiotics were determined through the antibacterial experiment in vitro. Chickens as infection model were used to verify the antibacterial peptide activity in vivo. The results show that the bacteriostatic ability of antibacterial peptide cathelicidin-BF is similar to that of antibiotics in certain concentration, and can reach the treatment level of antibiotics. Although the mode of administration of antibacterial peptide is still limited, this study can provide reference for the future research of antibacterial peptide.
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spelling doaj.art-5701defe3d494b66b7245559bb84d1992023-06-09T04:52:32ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2023-06-011410.3389/fmicb.2023.11533651153365High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activityXufeng Dong0Hu Shan1Shubai Wang2Zhengjun Jiang3Shaojuan Wang4Zhihua Qin5College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong, ChinaCollege of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong, ChinaCollege of Animal Science and Technology, Qingdao Agricultural University, Qingdao, Shandong, ChinaShandong Hwatson Biochem Co. Ltd, Weifang, Shandong, ChinaShandong Hwatson Biochem Co. Ltd, Weifang, Shandong, ChinaCollege of Veterinary Medicine, Qingdao Agricultural University, Qingdao, Shandong, ChinaAntibacterial peptides are endogenous polypeptides produced by multicellular organisms to protect the host against pathogenic microbes, they show broad spectrum antimicrobial activities against various microorganisms and possess low propensity for developing resistance. The purpose of this study is to develop recombinant antibacterial peptide cathelicidin-BF by genetic engineering and protein engineering technology, and study its antibacterial activity in vitro and in vivo, so as to provide reference for the production and application of recombinant antibacterial peptide cathelicidin-BF. In this study, on account of Pichia pastoris eukaryotic expression system, we expressed and prepared antibacterial peptide cathelicidin-BF. Then, the minimum inhibitory concentration of antibacterial peptide cathelicidin-BF and the comparison with the antibacterial activity of antibiotics were determined through the antibacterial experiment in vitro. Chickens as infection model were used to verify the antibacterial peptide activity in vivo. The results show that the bacteriostatic ability of antibacterial peptide cathelicidin-BF is similar to that of antibiotics in certain concentration, and can reach the treatment level of antibiotics. Although the mode of administration of antibacterial peptide is still limited, this study can provide reference for the future research of antibacterial peptide.https://www.frontiersin.org/articles/10.3389/fmicb.2023.1153365/fullantimicrobial peptideseukaryotic expressionbacteriostatic effectin vitro activityin vivo activity
spellingShingle Xufeng Dong
Hu Shan
Shubai Wang
Zhengjun Jiang
Shaojuan Wang
Zhihua Qin
High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity
Frontiers in Microbiology
antimicrobial peptides
eukaryotic expression
bacteriostatic effect
in vitro activity
in vivo activity
title High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity
title_full High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity
title_fullStr High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity
title_full_unstemmed High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity
title_short High expression of antimicrobial peptides cathelicidin-BF in Pichia pastoris and verification of its activity
title_sort high expression of antimicrobial peptides cathelicidin bf in pichia pastoris and verification of its activity
topic antimicrobial peptides
eukaryotic expression
bacteriostatic effect
in vitro activity
in vivo activity
url https://www.frontiersin.org/articles/10.3389/fmicb.2023.1153365/full
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