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J Bacteriol. 1972 May; 110(2): 743-746
Copyright © 1972 American Society for Microbiology. All Rights Reserved.
Institute of Applied Microbiology, University of Tokyo, Tokyo, Japan
ABSTRACT
Morphological mutants were isolated from a wild strain of Agrobacterium tumefaciens at a high frequency by treatment with a nitrosoguanidine. Seventeen of the 20 mutants isolated were temperature-sensitive. At 27 C, the mutant cells were rod-shaped and at 37 C, spherical or branched, whereas the wild-type cells were rod-shaped at both temperatures.
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