Circadian oscillation of starch branching enzyme gene expression in the sorghum endosperm
Journal Article
·
· Plant Signaling&Behavior
Expression of the three SBE genes, encoding starch branching enzymes, in the sorghum endosperm exhibited a diurnal rhythm during a 24-h cycle. Remarkably, the oscillation in SBE expression was maintained in cultured spikes after a 48-h dark treatment, also when fed a continuous solution of sucrose or abscisic acid. Our findings suggest that the rhythmicity in SBE expression in the endosperm is independent of cues from the photosynthetic source and that the oscillator resides within the endosperm itself.
- Research Organization:
- Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
- Sponsoring Organization:
- Earth Sciences Division
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 973100
- Report Number(s):
- LBNL-2508E
- Journal Information:
- Plant Signaling&Behavior, Journal Name: Plant Signaling&Behavior Journal Issue: 9 Vol. 4
- Country of Publication:
- United States
- Language:
- English
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