Membrane disrupting antimicrobial peptide dendrimers with multiple amino termini

Stach, Michaela; Maillard, Noélie; Kadam, Rameshwar; Kalbermatter, David; Meury, M.; Page, Malcolm; Fotiadis, Dimitrios José; Darbre, Tamis; Reymond, Jean-Louis (2012). Membrane disrupting antimicrobial peptide dendrimers with multiple amino termini. Medicinal chemistry communications - MedChemComm, 3(1), pp. 86-89. Cambridge: Royal Society of Chemistry 10.1039/c1md00272d

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Antimicrobial peptide dendrimer H1 Leu8(Lys-Leu)4(Lys-Phe)2Lys-LysNH2 (Lys = branching lysine) was identified by screening a 6750-membered combinatorial library by the bead-diffusion assay. Sequence variations also revealed dendrimer bH1 Leu8(Dap-Leu)4(Dap-Phe)2Dap-LysNH2 (Dap = branching 2,3-diaminopropanoic acid) as a more potent analog. H1 and bH1 showed good antimicrobial activities mediated by membrane disruption (MIC = 2–4 μg mL−1 on Bacillus subtilis and Escherichia coli) but low hemolytic activity (MHC = 310 μg mL−1 respectively >2000 μg mL−1).

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Departement of Chemistry and Biochemistry
04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Biochemistry and Molecular Medicine

UniBE Contributor:

Stach, Michaela; Maillard, Noélie; Kadam, Rameshwar; Kalbermatter, David; Meury, Marcel; Page, Malcolm; Fotiadis, Dimitrios José; Darbre, Tamis and Reymond, Jean-Louis

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 540 Chemistry
600 Technology > 610 Medicine & health

ISSN:

2040-2503

Publisher:

Royal Society of Chemistry

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:37

Last Modified:

18 Mar 2014 22:35

Publisher DOI:

10.1039/c1md00272d

Web of Science ID:

000299975300015

URI:

https://boris.unibe.ch/id/eprint/14798 (FactScience: 221922)

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