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expand all sections collapse all sections  Oryza sativa Gene "Rcn1"
ID 16547
Name Rcn1 (GENE SYMBOL)
Synonyms (3)
GRAMENE GENEGR:0100117
Type Gene
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description The over expression of 35S::Rcn1 in rice resulted in severe phenotypes with
substantial delays to never heading plants. A few plants with moderate
phenotypes displayed 13-50 day delay in heading. The delay in days to heading is
related to suppression of processes involved in transition of shoot apical
meristem from vegentative to reproductive stage. Transgenic rice plants with
moderate phenotypes displayed increased number of leaves when evlaluated in short-
day and long-day conditions and altered inflorescence (panicle) morphology. An
increased number of primary and secondary branches in the transgenic plant
inflorescence, resulted in increased number of florets by three times. Rcn2 gene
was isolated from a cDNA screen using the EST clone (genbank accession D24998).
The ectopic expression of Rcn1 (35S::Rcn1) in Arabidopsis transgenic line
exhibited a phenotype of late-flowering, highly branched inflorescence and
flowers with shoot like sharacteristics, similar to that reported for 35S::TFL1.
The gene belongs to the Phosphatidylethanolamine-binding protein family. It
bears strong similarity to Antirrhinum CEN (CENTRORADIALIS) as compared to
Arabidopsis TFL1. Both CEN and TFL1 are known Phosphatidylethanolamine-binding
proteins and play a role in delaying phase transition of shoot apical meristem
from vegetative to reproductive phase.
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