The biosynthesis of cytokinins in crown-gall tissue of Vinca rosea
- 1 December 1979
- journal article
- research article
- Published by Springer Nature in Planta
- Vol. 147 (2) , 97-102
- https://doi.org/10.1007/bf00389507
Abstract
The crown-gall tissue of Vinca rosea converts labelled adenine into cytokinins. The principal initial products appear to be ribosylzeatin phosphates; zeatin and ribosylzeatin are also produced in appreciable quantities. The efficiency of conversion of adenine into cytokinins suggests a pathway of synthesis independent of turnover of tRNA. Isopentenyl adenine or its derivatives do not appear to be intermediates in the conversion of adenine to zeatin compounds. Cytokinins in V. rosea turnover rapidly and further metabolism of zeatin derivatives seems to result in their conversion into glucosides which are the main cytokinin active compounds in the tissue.Keywords
This publication has 20 references indexed in Scilit:
- 5′-AMP is a direct precursor of cytokinin in Dictyostelium discoideumNature, 1978
- Mass Spectroscopic Identification of CytokininsPlant Physiology, 1977
- Glucosyl Zeatin and Glucosyl Ribosylzeatin from Vinca rosea L. Crown Gall Tumor TissuePlant Physiology, 1977
- Evidence for the biosynthesis of transfer RNA‐free cytokininFEBS Letters, 1976
- Cytokinins in Vinca rosea L. Crown Gall Tumor Tissue as Influenced by Compounds Containing Reduced NitrogenPlant Physiology, 1976
- Incorporation of Mevalonic Acid into Ribosylzeatin in Tobacco Callus Ribonucleic Acid PreparationsPlant Physiology, 1975
- Cytokinins as a Probe of Developmental ProcessesAnnual Review of Plant Physiology, 1973
- trans-RibosylzeatinPlant Physiology, 1973
- Cytokinins in Seedling Roots of PeaPlant Physiology, 1972
- Biosynthesis of N6-(Δ2-isopentenyl)adenosine in the transfer ribonucleic acid of cultured tobacco pith tissuePhytochemistry, 1969