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KMID : 1098419990070020129
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Korean Journal of Medicinal Crop Science
1999 Volume.7 No. 2 p.129 ~ p.137
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Ultrastructural Difference and Intercellular Transport of Metabolites in Old and New Bulb of Fritillaria pallidiflora
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Wen-Yuan Gao
Lei Fan
Paek Kee-Yoeup
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Abstract
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The structure of amyloplasts and intercellular transport in the old and new bulbs of Fritillaria pallidiflora were observed by means of electron microscope. The structure of internal membrane system was different between new and old amyloplasts. The active intercellular transport was observed in both new and old bulbs. The phenomena of encytosis and exocytosis always could be found in the cell membrane, and plasmodesmata established a symplasmic pathway for intercellular transport. Groups of vesicles often located at the ends of plasmodesmata, showing that they participated in the intercellular transport. These results laid a foundation for the further study on the mechanism of growth and development in Fritillaria pallidiflora.
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