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Inhibition of prophage induction by synthetic pentapeptide
Faculty
Science
Year:
1996
Type of Publication:
Article
Pages:
215-219
Authors:
ABDELRAHMAN, S, ElDidamony, G
Journal:
INTERNATIONAL JOURNAL OF PEPTIDE AND PROTEIN RESEARCH MUNKSGAARD INT PUBL LTD
Volume:
48
Research Area:
Biochemistry \& Molecular Biology
ISSN
ISI:A1996VL03100002
Keywords :
lysogenic strains, prophage induction, attachment site, synthetic peptides
Abstract:
Six peptide chains different in length and number of sequences were synthesized by the continuous-flow solid-phase method. Their effects on prophage induction were tested. It was found that pentapeptide 1 H-Val-Val-Asn-Asp-Leu-OH, at a concentration of 25 mu g/mL inhibited the spontaneous induction of prophage Lambda in E. coli strain W 3110(lambda) and phi RL(ZLS) in R. leguminosarum (lysogenic local isolate) by 99.5\% and 65.7\%, respectively. Moreover, this concentration was also able to inhibit the replication of the developed phages in the indicator strains. It was suggested that this peptide may block the attachment site of the induced phages or inhibit Rec A Protease. (C) Munksgaard 1996.
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