Identification of cytokinins in primary crown gall tumours of tomato |
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Authors: | S K NANDI L M S PALNI D S LETHAM O C WONG |
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Institution: | Research School of Biological Sciences, The Australian National Univerisity, G.P.O. Box 475, Canberra City, ACT 2601, Australia |
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Abstract: | Abstract. Identification of the cytokinin complex of primary crown gall tumours of tomato ( Lycopersicon esculentum L.) by combined gas chromatography-mass spectrometry has been described. Several cytokinins have been identified which included zeatin, dihydrozeatin, isopentenyladenine, and their respective riboside and nucleotide derivatives. In addition, 6-benzylaminopurine, its riboside and the corresponding nucleotide have also been identified as major endogenous compounds in this tissue. This would appear to be the first report on the identification of cytokinins from a primary crown gall tumour tissue using unequivocal methods. |
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Keywords: | Lycopersicon esculentum tomato primary crown gall cytokinin complex gas chromatography-mass spectrometry |
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