Recovery of Gibberellic Acid Inhibition of Betacyanin Biosynthesis by Pigment Precursors

Recovery of Gibberellic Acid Inhibition of Betacyanin Biosynthesis by Pigment Precursors

Gibberellic acid inhibition of betacyanin biosynthesis has been studied in Amaranthus caudatus L. using the pigment precursors L-tyrosine and L-dihydroxyphenylalanine. Precursors fed to gibberellic acid (GA) treated seedlings completely recovered betacyanin synthesis while the GA induced growth enha...

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Veröffentlicht in:Planta 1976-01, Vol.128 (3), p.275-276
Hauptverfasser: Laloraya, M.M., Srivastav, H.N., Guruprasad, K.N.
Format: Artikel
Sprache:eng
Schlagworte:
Betacyanins
Biosynthesis
Gibberellins
Hypocotyls
Metabolism
Pigments
Plant growth
Plants
Protein metabolism
Seedlings
SHORT COMMUNICATIONS
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Zusammenfassung:Gibberellic acid inhibition of betacyanin biosynthesis has been studied in Amaranthus caudatus L. using the pigment precursors L-tyrosine and L-dihydroxyphenylalanine. Precursors fed to gibberellic acid (GA) treated seedlings completely recovered betacyanin synthesis while the GA induced growth enhancement remained unaltered. Inhibition of betacyanin biosynthesis by GA is related to depletion of metabolites/amino acids and their diversion to support changed pattern of metabolism leading to growth.
ISSN:0032-0935
1432-2048
DOI:10.1007/BF00393241