A coherent transcriptional feed-forward motif model for mediating auxin-sensitive PIN3 expression during lateral root development.

Détails

ID Serval
serval:BIB_8124408C10CE
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
A coherent transcriptional feed-forward motif model for mediating auxin-sensitive PIN3 expression during lateral root development.
Périodique
Nature Communications
Auteur(s)
Chen Q., Liu Y., Maere S., Lee E., Van Isterdael G., Xie Z., Xuan W., Lucas J., Vassileva V., Kitakura S., Marhavý P., Wabnik K., Geldner N., Benková E., Le J., Fukaki H., Grotewold E., Li C., Friml J., Sack F., Beeckman T., Vanneste S.
ISSN
2041-1723 (Electronic)
ISSN-L
2041-1723
Statut éditorial
Publié
Date de publication
2015
Peer-reviewed
Oui
Volume
6
Pages
8821
Langue
anglais
Résumé
Multiple plant developmental processes, such as lateral root development, depend on auxin distribution patterns that are in part generated by the PIN-formed family of auxin-efflux transporters. Here we propose that AUXIN RESPONSE FACTOR7 (ARF7) and the ARF7-regulated FOUR LIPS/MYB124 (FLP) transcription factors jointly form a coherent feed-forward motif that mediates the auxin-responsive PIN3 transcription in planta to steer the early steps of lateral root formation. This regulatory mechanism might endow the PIN3 circuitry with a temporal 'memory' of auxin stimuli, potentially maintaining and enhancing the robustness of the auxin flux directionality during lateral root development. The cooperative action between canonical auxin signalling and other transcription factors might constitute a general mechanism by which transcriptional auxin-sensitivity can be regulated at a tissue-specific level.
Mots-clé
Arabidopsis/genetics, Arabidopsis/growth & development, Arabidopsis Proteins/genetics, Arabidopsis Proteins/metabolism, Chromatin Immunoprecipitation, Feedback, Physiological, Gene Expression Regulation, Plant, Glucuronidase/metabolism, Organisms, Genetically Modified, Plant Roots/growth & development, Plant Roots/metabolism, RNA, Messenger/metabolism, Reverse Transcriptase Polymerase Chain Reaction, Signal Transduction, Transcription Factors/genetics, Transcription Factors/metabolism, Transcription, Genetic
Pubmed
Web of science
Création de la notice
31/05/2016 17:57
Dernière modification de la notice
03/03/2018 18:47
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