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Title: | Antimicrobial activities in the haemolymph of Phlebotomus papatasi (Diptera, Psychodidae) | Authors: | Rosetto, Marco Belardinelli, Mariacristina Fausto, Anna Maria Bongiorno, Gioia Maroli, Michele Mazzini, Massimo |
Journal: | THE ITALIAN JOURNAL OF ZOOLOGY | Issue Date: | 2003 | Abstract: | Aspects of the humoral immune response in larvae and adults of sand fly Phlebotomus papatasi were investigated by means of antimicrobial and enzymatic assays. Anti-Gram-negative bacteria (Escherichia coli LE 392) activity was detected in the haemolymph of 10-day-old adult sand flies, whereas it was not observed in that of either younger (5-day-old) adults or larvae. An intense lysozyme-like activity against killed Gram-positive bacteria (Micrococcus luteus) was observed in the haemolymph of larvae and in adult sand flies, being more intense in aged insects (10-day—old) than in younger ones (5-day-old). The presence of phenoloxidase activity, responsible for melanization and micro-organism encapsulation, was demonstrated in the haemolymph of four instar larvae and was monitored until the enzyme reached a plateau. |
URI: | http://hdl.handle.net/2067/48911 | ISSN: | 1125-0003 | DOI: | 10.1080/11250000309356520 | Rights: | Attribution 4.0 International |
Appears in Collections: | A1. Articolo in rivista |
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Antimicrobial activities in the haemolymph of Phlebotomus papatasi Diptera Psychodidae.pdf | 682.7 kB | Adobe PDF | Request a copy |
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