APRF1 promotes flowering under long days in Arabidopsis thaliana
Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.
| Publié dans: | Plant science : an international journal of experimental plant biology. - 1985. - 253(2016) vom: 29. Dez., Seite 141-153 |
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| Auteur principal: | |
| Autres auteurs: | , , , , , , |
| Format: | Article en ligne |
| Langue: | English |
| Publié: |
2016
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| Accès à la collection: | Plant science : an international journal of experimental plant biology |
| Sujets: | Journal Article Arabidopsis Chromatin modification Flowering WD40 motif WDR protein APRF1 protein, Arabidopsis Arabidopsis Proteins At5g10140 protein, Arabidopsis MADS Domain Proteins |
| Résumé: | Copyright © 2016 Elsevier Ireland Ltd. All rights reserved. Arabidopsis thaliana flowering time mutants revealed the function of numerous genes that regulate the transition from vegetative to reproductive growth. Analyses of their loci have shown that many of them act as chromatin modifiers. In this study, a combination of molecular and genetic approaches have been implemented, to characterize the function of APRF1 (ANTHESIS POMOTING FACTOR 1) gene in A. thaliana and to investigate its role in plant development. APRF1 encodes for a low molecular weight nuclear WDR protein which displays functional homology to the Swd2 protein, an essential subunit of the yeast histone methylation COMPASS complex. Compared to WT plants, total loss-of-function aprf1 mutants exhibited shoot apical meristem (SAM) alterations and increased growth rates. However, the vegetative phase of aprf1 plants was prolonged and bolting was delayed, indicating an impairment in flowering under long days (LD). On the contrary, overexpression of APRF1 accelerates flowering. Consistent with the late flowering phenotype, the molecular data confirmed that FLC and SOC1 expression were significantly altered in the aprf1 mutants. Our data suggest that APRF1 acts upstream of FLC and promotes flowering under LD |
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| Description: | Date Completed 09.05.2017 Date Revised 03.01.2025 published: Print-Electronic Citation Status MEDLINE |
| ISSN: | 1873-2259 |
| DOI: | 10.1016/j.plantsci.2016.09.015 |