Antibiotic Properties of Novel Synthetic Temporin A Analogs and a Cecropin A-Temporin A Hybrid Peptide

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Temporin A, 18 analogs, and a cecropin A-temporin A hybrid peptide were tested with antibiotic sensitive and resistant bacteria, fungi, human erythrocytes, and in clotting assays.Several peptides were active in these assays, and some analogs (D-TA, W1-TA, and Con-L4,G10) may be useful lead compounds for further antibiotics development.The activity of temporin A was found to be dependent upon several of its structural features, including amino acid composition and sequence, chirality, helicity, and positive charge.