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Comparative Molecular Biology in Photoperiodic Flowering Between the Short-Day Plant Rice and the Long-Day Plant Arabidopsis

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Abstract

Flowering plants are largely categorized into short-day and long-day plants. In some species, no floral response to photoperiods is observed, which creates another group, day-neutral plants. In 1920, Garner and Allard reported that many flowering plants recognize the day-length to determine flowering-time and set seeds at appropriate seasons (see reviews by [Mouradov et al 2002], [Simpson and Dean 2002]). Recent studies in a short-day plant, rice, and a long-day plant, Ara- bidopsis thaliana, revealed that plants utilize an evolutionarily conserved flow- ering pathway to establish opposite photoperiodic responses (see reviews by [Izawa et al 2003], [Yanovsky and Kay 2003]). Here I summarize recent progress on molecular mechanisms of photoperiodic flowering to overlook genetic players at molecular levels to confer both short-day and long-day responses in photoperi- odic flowering.

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© 2005 Yamada Science Foundation and Springer-Verlag Tokyo

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Izawa, T. (2005). Comparative Molecular Biology in Photoperiodic Flowering Between the Short-Day Plant Rice and the Long-Day Plant Arabidopsis . In: Wada, M., Shimazaki, Ki., Iino, M. (eds) Light Sensing in Plants. Springer, Tokyo. https://doi.org/10.1007/4-431-27092-2_39

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