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  • Title: [An effect of the microsporidian Vairimorpha ephestiae (Microsporidia: Burenellidae) on activity and spectrum of nonspecific esterases in different tissues of the greater wax moth galleria mellonella (Lepidoptera: Pyralidae) larvae].
    Author: Vorontsova IaL, Ershov NI, Glupov VV.
    Journal: Parazitologiia; 2006; 40(1):74-84. PubMed ID: 16579033.
    Abstract:
    The effect of the microsporidian Vairimorpha ephestiae Matted (Microsporidia: Burenellidae) on nonspecific esterases was studied in hemolymph, fat body and midgut of the larvae of Galleria mellonella L. (Lepidoptera: Pyralidae). Esterase patterns were analyzed by the polyacrylamide gel electrophoresis, the total esterase activity was detected spectrophotometrically. The increase of total esterase activity was registered in hemolymph of inflected larvae. An overexpression of esterase isozyme in hemolymph was already detected at the 3rd day post infection. No changes in esterases pattern were observed in the fat body's homogenates of the G. mellonella larvae possessing the symptoms of microsporidiosis. The degradation of esterase isozymes and the decrease of total esterase activity in the pattern of the midgut homogenates of infected larvae were registered during parasite sporogony. The greatest esterase activity in hemolymph and midgut tissues was registered during vegetative reproduction of parasite, but the least level of esterase activity was observed during mass sporogony of microsporidia.
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