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Enteropathogenic Escherichia coli (EPEC) is an important cause of infant diarrhea in developing countries. It produces a characteristic intestinal histopathological lesion on enterocytes known as ‘attaching and effacing’ (A/E), and these two steps are mediated by a type-III secretory system. In the present study, we evaluated the effect on the initial host cell attachment step produced by bovine lactoferrin...
Human lactoferrampin is a novel antimicrobial peptide found in the cationic N-terminal lobe of the iron-binding human lactoferrin protein. The amino acid sequence that directly corresponds to the previously characterized bovine lactoferrin-derived lactoferrampin peptide is inactive on its own (WNLLRQAQEKFGKDKSP, residues 269–285). However, by increasing the net positive charge near the C-terminal...
The innate immunity factor lactoferrin harbours two antimicrobial moieties, lactoferricin and lactoferrampin, situated in close proximity in the N1 domain of the molecule. Most likely they cooperate in many of the beneficial activities of lactoferrin. To investigate whether chimerization of both peptides forms a functional unit we designed a chimerical structure containing lactoferricin amino acids...
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