Table 2 - Antimicrobial peptides: A natural alternative to chemical antibiotics and a potential for applied biotechnology

Table 2. Non-Cationic antimicrobial peptides. (Modified with permission from Vizioli and Salzet, 2002).

Structure and representative Peptides	Organism	Antimicrobial activity	References
Anionic peptides
Neuropeptide Derived:
Enkelytin	Bovine, human	Bacteria	Salzet 2001; Salzet and Tasiemski, 2001
Peptide B	Bovine, human	Bacteria	Salzet 2001; Salzet and Tasiemski, 2001
	Leech, mussel
*Aspartic acid rich:*
H-GDDDDDD-OH	Ovine	Bacteria	Brogden et al. 1996
Dermcidin	Human	Bacteria	Schittek et al. 2001
Maximin H5	Amphibian	Only Gram+ bacteria	Lai et al. 2002
Aromatic dipeptides
N-β-alanyl-5-S-glutathionyl-	Fiesh fly	Bacteria fungi	Leem, 1996
3,4-dihydroxyphenylalanine
p-Hydroxycinnamaldehyde	Saw fly	Bacteria, fungi	Leem et al. 1999
Peptides derived from oxygen-binding
proteins
Hemocyanin derived	Shrimp	Bacteria	Destoumieux-Garzon et al. 2001
Hemoglobin derived	Tick	Bacteria	Fogaca et al. 1999
Lactoferrin	Human	Bacteria, virus	Andersen et al. 2001