Jeehee Roh

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Grain size and leaf angle are two important traits determining grain yield in rice. However, the mechanisms regulating the two traits remain largely unknown. Here, we characterized a rice gain-of-function mutant, slender grain Dominant (slg-D), which exhibited longer and narrower grains and larger leaf angles, similar to plants with elevated brassinosteroid(More)
For maintenance of cellular homeostasis, the actions of growth-promoting hormones must be attenuated when nutrient and energy become limiting. The molecular mechanisms that coordinate hormone-dependent growth responses with nutrient availability remain poorly understood in plants [1, 2]. The target of rapamycin (TOR) kinase is an evolutionarily conserved(More)
The role of brassinosteroids (BRs) in hyponastic growth induced by submergence was investigated in Arabidopsis thaliana. Under flooding conditions, exogenously applied BRs increased hyponastic growth of rosette leaves. This hyponastic growth was reduced in a BR insensitive mutant (bri1-5), while it was increased in a BR dominant mutant (bes1-D). Further,(More)
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