Abstract
SEVERAL workers have proposed that an increase either in utilization or synthesis of adenosine triphosphate (ATP) accompanies growth induced by applied auxin, and they imply that the increased rate of metabolism of ATP is concerned directly in the mechanism of auxin action. Sen Gupta and Sen1 reported that treating coleoptile sections of Avena with indolylacetic acid (IAA) increased the amount of 32P incorporated from ortho-phosphate into adenosine pyrophosphate and hexose phosphate. Marrè and Forti2 reported a transitory increase in concentration of ATP 30 min after treating sections of etiolated pea stem with IAA. In the work reported here the effect of IAA on metabolism of phosphorylated compounds in sections of pea stems grown in light was investigated by measuring the amount of 32P incorporated into nucleotides in short ‘pulse-chase’ experiments.
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References
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SPRING, A., ROWAN, K. Phosphorous Metabolism and Auxin Action. Nature 210, 1166–1167 (1966). https://doi.org/10.1038/2101166a0
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DOI: https://doi.org/10.1038/2101166a0
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