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PMID:15908440

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Citation

Niinuma, K, Someya, N, Kimura, M, Yamaguchi, I and Hamamoto, H (2005) Circadian rhythm of circumnutation in inflorescence stems of Arabidopsis. Plant Cell Physiol. 46:1423-7

Abstract

We investigate the modulation of circumnutation in inflorescence stems of Arabidopsis to determine the circadian regulation of circumnutation. Under constant light conditions (LL), circumnutation speed in wild-type plants fluctuates, with the phase of the highest speed at subjective dawn; the period length is close to 24 h. toc1 appears to shorten the period and elf3 causes an arrhythmic phenotype in circumnutation speed in LL, suggesting that a common circadian clock may control both circumnutation speed and other circadian outputs. These results highlight for the first time a role for a circadian clock in the regulation of circumnutation based on genetic analysis of Arabidopsis.

Links

PubMed Online version:10.1093/pcp/pci127

Keywords

Arabidopsis/physiology; Circadian Rhythm; Plant Stems/physiology

Significance

Annotations

Gene product Qualifier GO ID GO term name Evidence Code with/from Aspect Notes Status


See also

References

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