Leaf expansion in Arabidopsis is controlled by a TCP-NGA regulatory module likely conserved in distantly related species

Ballester, Patricia and Navarrete Gómez, Marisa and Carbonero Zalduegui, Pilar and Oñate Sanchez, Luis and Ferrándiz, Cristina (2015). Leaf expansion in Arabidopsis is controlled by a TCP-NGA regulatory module likely conserved in distantly related species. "Physiologia Plantarum", v. 155 (n. 1); pp. 21-32. ISSN 0031-9317. https://doi.org/10.1111/ppl.12327.

Description

Title: Leaf expansion in Arabidopsis is controlled by a TCP-NGA regulatory module likely conserved in distantly related species
Author/s:
  • Ballester, Patricia
  • Navarrete Gómez, Marisa
  • Carbonero Zalduegui, Pilar
  • Oñate Sanchez, Luis
  • Ferrándiz, Cristina
Item Type: Article
Título de Revista/Publicación: Physiologia Plantarum
Date: September 2015
ISSN: 0031-9317
Volume: 155
Subjects:
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Department: Biotecnología - Biología Vegetal
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The NGATHA (NGA) clade of transcription factors (TFs) forms a small sub-family of four members in Arabidopsis thaliana. NGA genes act redundantly to direct the development of apical tissues in the gynoecium, where they have been shown to be essential for style and stigma specification. In addition, NGA genes have a more general role in controlling lateral organ growth. The four NGA genes in Arabidopsis are expressed in very similar domains, although little is known about the nature of their putative regulators. Here, we have identified a conserved region within the four NGA promoters that we have used as a bait to screen a yeast library, aiming to identify such NGA regu-lators. Three members of the TCP family of TFs, named after the founding factors TEOSINTE BRANCHED 1, CYCLOIDEA and PROLIFERATING CELL FACTOR 1 AND 2), were recovered from this screening, of which two [TCP2 and TCP3, members of the CINCINNATA (CIN) family of TCP genes (CIN-TCP) subclade] were shown to activate the NGA3 promoter in planta. We pro-vide evidence that support that CIN-TCP genes are true regulators of NGA gene expression, and that part of the CIN-TCP role in leaf development is mediated by NGA upregulation. Moreover, we have found that this TCP-NGA regulatory interaction is likely conserved in angiosperms, including impor-tant crop species, for which the regulation of leaf development is a target for biotechnological improvement.

Funding Projects

TypeCodeAcronymLeaderTitle
FP7247587EVOCODEStefania VarottoEvolutionary Conservation of Regulatory Network Controlling Flower Development
Government of SpainBIO2009-09920UnspecifiedUnspecifiedUnspecified
Government of SpainBIO2010-17334UnspecifiedUnspecifiedRegulación del balance hormonal que controla la transición entre la dormición y la germinación de las semillas
Government of SpainBIO2012-32902UnspecifiedUnspecifiedUn código combinatorial de complejos transcripcionales que regulan la morfología del gineceo y el fruto
Government of SpainBIO2013-46076UnspecifiedLuis Oñate SánchezEstudio de la señalización por giberelinas para mejorar la germinación de las semillas y la resistencia al estrés

More information

Item ID: 53811
DC Identifier: http://oa.upm.es/53811/
OAI Identifier: oai:oa.upm.es:53811
DOI: 10.1111/ppl.12327
Official URL: https://onlinelibrary.wiley.com/doi/pdf/10.1111/ppl.12327
Deposited by: Biblioteca ETSI Agrónomos
Deposited on: 01 Feb 2019 11:57
Last Modified: 01 Feb 2019 12:19
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