"GIGANTISM" OF CHLORELLA VULGARIS I. RELATION OF GIGANTISM TO CELL GROWTH AND DIVISION

概要

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1. The sugars which induced gigantism of Chlorella cells were glucose, fructose, galactose, mannose, xylose and arabinose. These sugars were utilized as respiratory substrates by the algal cells. 2. The cellular division of Chlorella was stimulated by glucose and galactose, but suppressed by fructose, mannose, xylose and arabinose, while all these sugars evoked gigantism. No correlation was found between cellular division and gigantism, 3, The photosynthetic activity of giant Chlorella varied with the sorts of sugars added. It was decreased by glucose, fructose and mannose, but was unaffected by other sugars such as galactose, xylose and arabinose. 4. The respiratory activity of giant Chlorella cells as much higher than that of control cells. 5. The amounts of protein-N and dry weight per unit volume of giant Chlorella were much less than those of control cells.
日本植物生理学会の論文