Hormonal regulation of genetic tumor induction : Cytokinin and abscisic acid

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概要

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• Young seedlings of the tumor-prone amphiploid Nicotiana suaveolens × N. langsdorffii were grown aseptically on nutrient medium in a controlled environment chamber. At regular intervals the incidence of tumor formation was scored and plants were harvested. Total cytokinin activity was determined by means of the cucumber cotyledon bioassay, while ABA activity was measured by radioimmunoassay. A close correlation between onset of tumor formation and elevation in endogenous cytokinin activity was demonstrated, but no correlation was observed between onset of tumorigenesis and change in the level of ABA. In addition, exposure of plants to exogenous ABA did not alter the rate of tumor formation. These results are discussed in relation to the trigger mechanism for tumor induction in the Nicotiana system.

• 日本植物生理学会の論文

著者

• Walton Daniel

  Laboratory Of Experimental Oncology Department Of Anatomy State University

• Ames Ira

  Laboratory of Experimental Oncology, Department of Anatomy, State University

• Hill Carol

  Laboratory of Experimental Oncology, Department of Anatomy, State University

• Dashek William

  Laboratory of Experimental Oncology, Department of Anatomy, State University

• Ames Ira

  Laboratory Of Experimental Oncology Department Of Anatomy And Department Of Pediatrics State Univers

• Ames Ira

  Laboratory Of Experimental Oncology Department Of Anatomy State University

• Hill Carol

  Laboratory Of Experimental Oncology Department Of Anatomy State University

• Dashek William

  Laboratory Of Experimental Oncology Department Of Anatomy State University:(present)department Of Bi

関連論文

• Hormonal regulation of genetic tumor induction : Cytokinin and abscisic acid
• Is cyclic GMP involved in the regulation of tumorigenesis in the Nicotiana genetic tumor system ?

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