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Feedback regulation of COOLAIR expression controls seed dormancy and flowering time

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Science  01 Jun 2018:
Vol. 360, Issue 6392, pp. 1014-1017
DOI: 10.1126/science.aar7361

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  • RE: FT a PEBP: autonomous pathway through pH flux induces photo-insensitive flowering
    • Jeshima Khan Yasin, Scientist, Division of Genomic Resources, ICAR- NBPGR, PUSA campus, New Delhi-110 012, India
    • Other Contributors:
      • Sakshi Chaudhary, Researcher, ICAR-NBPGR
      • Arumugam Pillai, Professor and Head, Agricutlural College and Research Institute, TNAU, Killikulam, Vallanadu, India
      • Anil Kumar Singh, Principal Scientist, ICAR-Research Complex for Eastern Region, Patna- 800 014, India

    FT a PEBP: autonomous pathway through pH flux induces photo-insensitive flowering
    Jeshima Khan Yasin1, Sakshi Chaudhary1 , Arumugam Pillai2 and Anil Kumar Singh3

    1Division of Genomic Resources, ICAR- NBPGR, PUSA campus, New Delhi-110 012, India
    2Agricutlural College and Research Institute, TNAU, Killikulam, Vallanadu, India
    3ICAR-Research Complex for Eastern Region, Patna- 800 014, India

    The plant cellular components and environmental conditions are two key components that affect plants’ flowering. The number of species or individual specific factors inducing flowering may be diverse but they depend on the plant species. Tracking the molecular changes in response to perception of environmental signals and transducing environmental cues can precede developmental changes of flowering but difficult. Genes involved in transitions to flowering and initiation of floral organs has been identified with their fundamental role (1).
    The long day and vernalization pathways react to environmental signals and pH flux (2) whereas the autonomous and gibberellic acid (GA) dependent pathways monitor the endogenous developmental state which in turn is regulated by pH flux (3,4,5). The autonomous pathway stimulates flowering independently of environmental conditions by repressing the FLOWERING LOCUS C (FLC) gene that acts as a repressor of flowering (6,7,8). Vernalization, a long exposure to low temperature, also promotes flowering by repressing FLC (9)....

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    Competing Interests: None declared.

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