Cystite formation of Arthrobacter ureafaciens NRIC 0157(T) |
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Authors: | Tanaka Naoto Uchimura Tai Komagata Kazuo |
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Affiliation: | Laboratory of General and Applied Microbiology, Department of Applied Biology and Chemistry, Faculty of Applied Bioscience, Tokyo University of Agriculture, Setagaya-ku, Tokyo 156-8502, Japan. |
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Abstract: | The cystite formation of Arthrobacter ureafaciens NRIC 0157(T) was studied by the use of a newly designed CT medium composed of 2.0% D-glucose, 0.28% NH(4)H(2)PO(4), 0.136% K(2)HPO(4) 0.136% KH(2)PO(4), 0.0005% MgSO(4).7H(2)O, and 0.0007% CaCl(2).2H(2)O. Cystites are drumstick-shaped and oval cells and are larger than vegetative cells. Cystites are Gram-negative, whereas vegetative cells are Gram-positive by the KOH reaction. The concentration and ratio of K(+) and Mg(2+) in CT medium mainly affected the cystite formation. Cystites are considered aberrant forms produced by nutritional imbalance. |
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