YUCCA8 and YUCCA9 overexpression reveals a link between auxin signaling and lignification through the induction of ethylene biosynthesis.

Hentrich, Mathias and Sánchez Parra, Beatriz and Pérez Alonso, Marta Marina and Carrasco Loba, Víctor and Carrillo Gil, Laura and Vicente Carbajosa, Jesus and Medina Alcazar, Joaquin and Pollmann, Stephan (2013). YUCCA8 and YUCCA9 overexpression reveals a link between auxin signaling and lignification through the induction of ethylene biosynthesis.. "Plant Signaling & Behavior", v. 8 (n. 11); pp.. ISSN 1559-2324. https://doi.org/10.4161/psb.26363.

Description

Title: YUCCA8 and YUCCA9 overexpression reveals a link between auxin signaling and lignification through the induction of ethylene biosynthesis.
Author/s:
  • Hentrich, Mathias
  • Sánchez Parra, Beatriz
  • Pérez Alonso, Marta Marina
  • Carrasco Loba, Víctor
  • Carrillo Gil, Laura
  • Vicente Carbajosa, Jesus
  • Medina Alcazar, Joaquin
  • Pollmann, Stephan
Item Type: Article
Título de Revista/Publicación: Plant Signaling & Behavior
Date: September 2013
ISSN: 1559-2324
Volume: 8
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Biotecnologia [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Auxin is associated with the regulation of virtually every aspect of plant growth and development. Many previous genetic and biochemical studies revealed that, among the proposed routes for the production of auxin, the so-called indole-3-pyruvic acid (IPA) pathway is the main source for indole-3-acetic acid (IAA) in plants. The IPA pathway involves the action of 2 classes of enzymes, tryptophan-pyruvate aminotransferases (TRYPTOPHAN AMINOTRANSFERASE OF ARABIDOPSIS 1(TAA1)/TRYPTOPHAN AMINOTRANSFERASE RELATED (TAR)) and flavin monooxygenases (YUCCA). Both enzyme classes appear to be encoded by small gene families in Arabidopsis consisting of 5 and 11 members, respectively. We recently showed that it is possible to induce transcript accumulation of 2 YUCCA genes, YUC8 and YUC9, by methyl jasmonate treatment. Both gene products were demonstrated to contribute to auxin biosynthesis in planta.1 Here we report that the overexpression of YUC8 as well as YUC9 led to strong lignification of plant aerial tissues. Furthermore, new evidence indicates that this abnormally strong secondary growth is linked to increased levels of ethylene production.

More information

Item ID: 30779
DC Identifier: http://oa.upm.es/30779/
OAI Identifier: oai:oa.upm.es:30779
DOI: 10.4161/psb.26363
Official URL: https://www.landesbioscience.com/journals/psb/article/26363/
Deposited by: Memoria Investigacion
Deposited on: 08 Oct 2014 14:17
Last Modified: 08 Oct 2014 14:17
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