Version 1
: Received: 2 May 2019 / Approved: 6 May 2019 / Online: 6 May 2019 (08:35:59 CEST)
How to cite:
Sabry, N.; Moussa, T. Characterization and Antimicrobial Efficacy of Bovine Dermcidin, a Novel Antimicrobial Peptide Gene. Preprints2019, 2019050037. https://doi.org/10.20944/preprints201905.0037.v1
Sabry, N.; Moussa, T. Characterization and Antimicrobial Efficacy of Bovine Dermcidin, a Novel Antimicrobial Peptide Gene. Preprints 2019, 2019050037. https://doi.org/10.20944/preprints201905.0037.v1
Sabry, N.; Moussa, T. Characterization and Antimicrobial Efficacy of Bovine Dermcidin, a Novel Antimicrobial Peptide Gene. Preprints2019, 2019050037. https://doi.org/10.20944/preprints201905.0037.v1
APA Style
Sabry, N., & Moussa, T. (2019). Characterization and Antimicrobial Efficacy of Bovine Dermcidin, a Novel Antimicrobial Peptide Gene. Preprints. https://doi.org/10.20944/preprints201905.0037.v1
Chicago/Turabian Style
Sabry, N. and Tarek Moussa. 2019 "Characterization and Antimicrobial Efficacy of Bovine Dermcidin, a Novel Antimicrobial Peptide Gene" Preprints. https://doi.org/10.20944/preprints201905.0037.v1
Abstract
Description of a novel bovine antimicrobial peptide and its antimicrobial spectrum. RNA isolation and RT-PCR were done from various tissues. DCD peptide was synthesized, and antimicrobial activity was analyzed. Bovine dermcidin gene contains five exons intermittent by 4 introns. Bovine DCD-mRNA was 398 bp with ORF 336 bp. Bovine DCD was expressed in skin and blood. Analysis of the amino acid compositions revealed that cysteine was repeated 6 times indicating the presence of 3 disulfide bonds that play role in the peptide stability. Staphylococcus epidermidis, Streptococcus bovis, and Enterococcus faecalis were affected by Bovine DCD peptide. Highest antimicrobial effect was at 50 and 100 µg/ml. The effect on Escherichia coli and Candida albicans was slightly low. In all bacteria, Bovine DCD peptide activity did not affect by varying pH values, but in Staphylococcus aureus, the activity was affected greatly at pH 4.5 and 5.5. The optimum salt concentrations were 100 and 50 mM NaCl with all bacterial strains and E. coli, respectively. In case of C. albicans, the antimicrobial activity of Bovine DCD peptide decreased with increasing the pH value regardless the NaCl concentration. The pH 6.5 of the sweat buffer was the optimum for the Bovine DCD peptide activity.
Biology and Life Sciences, Biochemistry and Molecular Biology
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
