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. 1969 Nov;44(11):1601–1608. doi: 10.1104/pp.44.11.1601

Synergistic Effects of Metabolically Related Amino Acids on the Growth of a Multicellular Plant 1

Valgene L Dunham a,2, J K Bryan a
PMCID: PMC396312  PMID: 16657247

Abstract

The effects of several amino acids related to the metabolism of aspartic acid on the growth and development of gemmalings of the liverwort Marchantia polymorpha were investigated under axenic conditions. Lysine and theonine synergistically inhibit the growth of these plants and cause a loss of normal pigmentation at concentrations as low as 1 μm. These effects are highly specific for this pair of amino acids, are partially reversible upon removal of the effectors, and can be prevented by low concentrations of methionine or its metabolic precursor, homoserine. Alterations in the growth and development of gemmalings in the presence of natural amino acids are discussed in relation to metabolic regulatory mechanisms which have been well established in microorganisms.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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