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Regulation of acid release from barley aleurone by gibberellic acid and abscisic acid

, : Regulation of acid release from barley aleurone by gibberellic acid and abscisic acid. Pre harvest sprouting in cereals 1992: 254-261

Barley Himalaya aleurone cells incubated in unbuffered 10 mM CaCl2 and 10 micro M ABA lowered the pH of the medium from pH 5.5 to about 3.6 in 20 h, while cells incubated in the presence of 5 micro M GA lowered the pH to 4.0. In CaCl2 alone the pH after 20 h incubation was 4.2. GA and ABA stimulated acid release from aleurone cells 4- and 3-fold, respectively, over aleurone cells incubated in CaCl2 alone.

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Related references

Nolan, R.C.; Ho, T.H.a David, 1988: Hormonal regulation of a-amylase expression in barley aleurone layers. The effects of gibberellic acid removal and abscisic acid and phaseic acid treatments. Plant Physiology 88: 8-93

Nolan, R.C.; Ho, T.H., 1988: Hormonal regulation of alpha-amylase expression in barley aleurone layers : the effects of gibberellic Acid removal and abscisic Acid and phaseic Acid treatments. The expression of alpha-amylase isozymes in barley (Hordeum vulgare L.) aleurone layers is known to be maximally induced between 12 and 20 hours after addition of the phytohormone, gibberellic acid (GA(3)). Addition of another hormone, abscisic ac...

Drozdowicz, Y.; Williams, J.; Owicki, J.C.; Jones, R.L., 1994: Medium acidification by barley aleurone layers-kinetics and regulation by gibberellic acid and abscisic acid. Plant Physiology (Rockville) 105(1 SUPPL ): 166

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