CHANGES IN RESPONSE TO PURINE AND PYRIMIDINE DERIVATIVES OF CARROT ROOT CALLUS DURING SUCCESSIVE CULTURING

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概要

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• 1. The growth of the carrot root callus which had been subcultured for a long period (CCL) was promoted by the addition of 5×10^<-8> and 5×10^<-7> M kinetin, whereas in the callus subcultured for a short period (CCS) no growth promotion was observed at any concentrations of kinetin tested. 2. CCL showed an increased growth in response to the application of kinetin, guanine, adenine, hypoxanthine, uracil, thymine, and cytosine in the presence of fractions A and C of carrot root extract, where-as no such response was observed in CCS. CCL required fraction C to respond to uracil and probably purine and pyrimidine derivatives in general. 3. The growth of CCL was promoted by kinetin, guanine, adenine, or hypoxanthine in the medium containing inositol and amino acids mixture. In this case the growth-promoting action of guanine, adenine, or hypoxanthine was nullified by kinetin.

• 日本植物生理学会の論文

著者

• Syono Kunihiko

  Institute Of Biology College Of General Education University Of Tokyo

関連論文

• PHYSIOLOGICAL AND BIOCHEMICAL CHANGES OF CARROT ROOT CALLUS DURING SUCCESSIVE CULTURES
• CHANGES IN ORGAN FORMING CAPACITY OF CARROT ROOT CALLUSES DURING SUBCULTURES
• CHANGES IN THE RESPONSE OF CARROT ROOT CALLUSES TO THE ROOT EXTRACT OCCURRING DURING THEIR SUCCESSIVE CULTURES
• CHANGES IN RESPONSE TO PURINE AND PYRIMIDINE DERIVATIVES OF CARROT ROOT CALLUS DURING SUCCESSIVE CULTURING

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