Biologia plantarum 26:5-10, 1984 | DOI: 10.1007/BF02880416
Growth requirements ofArabidopsis thaliana crown galls
- 1 Institute of Experimental Botany, Czechoslovak Academy of Sciences, Praha, Czechoslovakia
Crown galls induced onArabidopsis thaliana plants by octopine or nopaline strains ofAgrobacterium tumefaciens were grownin vitro on different media. Dark growth of all tumor tissues was strictly hormone-dependent. In contrast, hormonal autonomy was observed in the light where crown gall calli readily differentiated into teratomas and (sometimes fertile) plants. Differentiating tissues always grew more vigorously than subtended calli. The growth of transformed calli was stimulated by vitamins and partly inhibited by growth regulators in concentrations used for the maintenance of untransformed calli. Crown gall calli, teratomas and sometimes regenerated plants were shown to express lysopine or nopaline dehydrogenase activities.
Received: December 20, 1982; Accepted: April 6, 1983; Published: January 1, 1984 Show citation
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