Soluble and particle-bound trehalase in the silk glands during larval-pupal development of the silkworm, Bombyx mori |
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Authors: | S Shimada |
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Abstract: | Trehalase localization in silk glands of the silkworm, Bombyx mori has been studied during larval-pupal development. Subcellular distribution of the silk gland trehalase depends upon larval-pupal development. The activity increases in the soluble fraction with a concomitant decrease in the particle-bound fraction during larval-pupal development. The pH-optimum value of trehalase activity in the particle-bound fraction changes from 6.5 to 6.0, and in the soluble fraction from 5.5 to 4.5 in the course of the silk gland degeneration during metamorphosis. |
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