Abstract
THE transfer of methyl groups from methionine to the hot-water-soluble fraction of Avena coleoptile cell walls is increased by indoleacetic acid (IAA)1. Unlike most effects of indoleacetic acid, this increase occurs even when all expansion is osmotically prevented. Thus this process appears to be directly controlled by auxin and may constitute a portion of the mechanism whereby auxin induces elongation. If this were so, it would be expected that auxin would influence this transfer in all tissues which show an auxin-growth response. Maize coleoptile and mesocotyl tissues have now been examined for the presence of auxin-induced methylation.
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Ordin, L., Cleland, R., and Bonner, J., Proc. U.S. Nat. Acad. Sci., 41, 1023 (1955).
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CLELAND, R. Auxin-induced Methylation in Maize. Nature 185, 44 (1960). https://doi.org/10.1038/185044a0
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DOI: https://doi.org/10.1038/185044a0
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