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SMZ/SNZ and gibberellin signaling are required for nitrate-elicited delay of flowering time in Arabidopsis thaliana.

Abstract：

:The reproductive success of plants largely depends on the correct programming of developmental phase transitions, particularly the shift from vegetative to reproductive growth. The timing of this transition is finely regulated by the integration of an array of environmental and endogenous factors. Nitrogen is the mineral macronutrient that plants require in the largest amount, and as such its availability greatly impacts on many aspects of plant growth and development, including flowering time. We found that nitrate signaling interacts with the age-related and gibberellic acid pathways to control flowering time in Arabidopsis thaliana. We revealed that repressors of flowering time belonging to the AP2-type transcription factor family including SCHLAFMUTZE (SMZ) and SCHNARCHZAPFEN (SNZ) are important regulators of flowering time in response to nitrate. Our results support a model whereby nitrate activates SMZ and SNZ via the gibberellin pathway to repress flowering time in Arabidopsis thaliana.

journal_name

J Exp Bot

journal_title

Journal of experimental botany

authors

Gras DE,Vidal EA,Undurraga SF,Riveras E,Moreno S,Dominguez-Figueroa J,Alabadi D,Blázquez MA,Medina J,Gutiérrez RA

doi

10.1093/jxb/erx423

subject

Has Abstract

pub_date

2018-01-23 00:00:00

pages

619-631

issue

3

eissn

0022-0957

issn

1460-2431

pii

4772618

journal_volume

69

pub_type

杂志文章

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