An active light signalling pathway is necessary for ABA-induced inhibition of hypocotyl elongation
Esther Cañibano,
Daniela Soto-Gomez,
Juan Carlos Oliveros
et al.
Abstract:Driven by cell elongation, hypocotyl growth is tightly controlled by light and responds to external stimuli and endogenous hormonal pathways. Hypocotyls are known to be responsive to the stress signalling hormone abscisic acid (ABA) which effectively inhibits cell elongation, but how this regulation is connected to light responses and other endogenous hormonal pathways has been a subject of limited studies. Here, we show that whereas hypocotyl elongation is sensitive to ABA in light-grown seedlings, the hypoco… Show more
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