Modification of Phytohormone Response by a Peptide Encoded by ENOD40 of Legumes and a Nonlegume

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Science  19 Jul 1996:
Vol. 273, Issue 5273, pp. 370-373
DOI: 10.1126/science.273.5273.370


The gene ENOD40 is expressed during early stages of legume nodule development. A homolog was isolated from tobacco, which, as does ENOD40 from legumes, encodes an oligopeptide of about 10 amino acids. In tobacco protoplasts, these peptides change the response to auxin at concentrations as low as 1012 to 1016 M. The peptides encoded by ENOD40 appear to act as plant growth regulators.

Embedded ImageSequence alignment of full ENDO40 gene sequences from soybean, pea, alfalfa, and tocacco plants.

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