Mobile FT mRNA contributes to the systemic florigen signalling in floral induction
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چکیده
منابع مشابه
Mobile FT mRNA contributes to the systemic florigen signalling in floral induction
In inducing photoperiodic conditions, plants produce a signal dubbed "florigen" in leaves. Florigen moves through the phloem to the shoot apical meristem (SAM) where it induces flowering. In Arabidopsis, the FLOWERING LOCUS T (FT) protein acts as a component of this phloem-mobile signal. However whether the transportable FT mRNA also contributes to systemic florigen signalling remains to be elu...
متن کاملFloral Induction and Florigen
that they are not sensitive to environmental cues. The Milo J. Aukerman and Rick M. Amasino Department of Biochemistry extent to which environmental-response pathways versus autonomous pathways control flowering varies 420 Henry Mall University of Wisconsin among plant species. Even within a species there are often photoperiod-responsive and -nonresponsive types Madison, Wisconsin 53706-1569 th...
متن کاملSystemic movement of FT mRNA and a possible role in floral induction
FLOWERING LOCUS T (FT) protein is known to be part of the mobile flowering inducing "florigen" signal in plants, but it may not be acting alone. This article reviews the data that FT mRNA can also move systemically throughout the plant and into the shoot apical meristem (SAM) independently of the FT protein. There is a promotion of flowering when increased levels of virally expressed FT mRNA ar...
متن کاملFT protein movement contributes to long-distance signaling in floral induction of Arabidopsis.
In plants, seasonal changes in day length are perceived in leaves, which initiate long-distance signaling that induces flowering at the shoot apex. The identity of the long-distance signal has yet to be determined. In Arabidopsis, activation of FLOWERING LOCUS T (FT) transcription in leaf vascular tissue (phloem) induces flowering. We found that FT messenger RNA is required only transiently in ...
متن کاملA cis element within flowering locus T mRNA determines its mobility and facilitates trafficking of heterologous viral RNA.
The Arabidopsis flowering locus T (FT) gene encodes the mobile florigen essential for floral induction. While movement of the FT protein has been shown to occur within plants, systemic spread of FT mRNA remains to be unequivocally demonstrated. Utilizing novel RNA mobility assay vectors based on two distinct movement-defective viruses, Potato virus X and Turnip crinkle virus, and an agroinfiltr...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2011
ISSN: 2045-2322
DOI: 10.1038/srep00073