A Specific Nonenal-Binding Peptide, P4 Screened by Phage Display can Remove Trans-2-Nonenal

被引：0
作者：
Seyoung Lee
Jaewoong Lee
Ae Rim Hwang
Yang-Hoon Kim
Jiho Min
机构：
[1] Jeonbuk National University,Graduate School of Semiconductor and Chemical Engineering
[2] Chungbuk National University,School of Biological Science
来源：
Molecular Biotechnology | 2020年 / 62卷
关键词：
Trans-2-nonenal; Phage display; Specific nonenal-binding peptides; P4;
D O I：
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中图分类号：
学科分类号：
摘要：
Trans-2-nonenal is a fatty aldehyde with a long-chain, containing nine carbons. It was known that trans-2-nonenal is a cause of the odor associated with aging, and mainly found from the ages of 40 years. Phage display was a famous laboratory technique for proteins, peptides, and DNA interaction using bacteriophages to connect proteins with the genetic information. In this study, we have carried out random phage display screening to identify specific binding peptides for trans-2-nonenal. Trans-2-nonenal was directly coated on the plate. To select the phages against trans-2-nonenal, the random phages were attached to trans-2-nonenal and selected by 1–5 panning steps. Individual DNA of phage after 5 panning was analyzed to find the specific peptide sequence against trans-2-nonenal. The affinity of positive and negative binding phages was verified by ELISA assay using M13 phage-specific antibody. Among the phages, the phage with sequence of AHKSKLHQHVMFGGG (called as P4) in the end of tail, has shown the highest response. To explore a role of the peptide selected in sequence analysis and ELISA assay, the peptide was connected to magnetic beads. The peptide-coated beads were treated within trans-2-nonenal: treatment of P4 peptide shows significant decrease of trans-2-nonenal compared to negative peptide. Based on our results, it is suggested that the peptide, which is selected by phage display, could be used for the removal of trans-2-nonenal and odor associated with aging.
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页码：273 / 279
页数：6
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