Temperature-dependent Expression of Betacyanin Synthesis in Amaranthus Seedlings.

@article{Elliott1979TemperaturedependentEO,
  title={Temperature-dependent Expression of Betacyanin Synthesis in Amaranthus Seedlings.},
  author={Daphne C. Elliott},
  journal={Plant physiology},
  year={1979},
  volume={63 2},
  pages={
          277-9
        }
}
  • D. C. Elliott
  • Published 1 February 1979
  • Biology, Medicine
  • Plant physiology
Two phenomena related to temperature effects have been observed during the induction of betacyanin synthesis by a cytokinin (benzyladenine) in Amaranthus tricolor seedlings. One is a total inhibition of betacyanin accumulation at a temperature (39 C) at which seedling growth is unimpaired, and where there is still adequate uptake of benzyladenine. The other is the apparent induction of a higher potential for subsequent betacyanin synthesis following pretreatment of the seedlings at an elevated… 
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Analysis of variability in the amaranthus betacyanin assay for cytokinins: effects of "aging" excised cotyledons.
"Aging" of excised cotyledons plus the top part of the hypocotyl of Amaranthus tricolor seedlings was carried out by washing in distilled H(2)O for varying periods. This led to increased betacyanin…
Analysis of Variability in the Amaranthus Bioassay for Cytokinins: Effects of Water Stress on Benzyladenine- and Fusicoccin-dependent Responses.
TLDR
The susceptibility of amino acid uptake and polysome profiles to water stress suggests that the inhibition of betacyanin synthesis, a process dependent on protein synthesis, may be due to inhibition either of precursor (tyrosine) uptake or of the synthesis or activity of some enzyme in the pathway.
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