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The innate immune system of Drosophila is activated by ingestion of microorganisms. D. melanogaster breeds on fruits fermented by Saccharomyces cerevisiae, whereas D. virilis breeds on slime flux and decaying bark of tree housing a variety of bacteria, yeasts, and molds. In this study, it is shown that D. virilis has a higher resistance to oral infection of(More)
The laccase in the pupal cuticle of the silkworm, Bombyx mori, is thought to accumulate as an inactive precursor that can be activated stage-dependently. In this study we isolated an 81-kDa laccase from cuticular extract of B. mori that was prepared by digestion of the pupal cuticles with α-chymotrypsin. The mass spectrometric analysis of the purified(More)
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