Expression of amilase 1 (ami1) is suppressed during the first two days after germination

Hoffmann, Maik and Lehmann, Thomas and Neu, Daniel and Hentrich, Mathias and Pollmann, Stephan (2010). Expression of amilase 1 (ami1) is suppressed during the first two days after germination. "Plant Signaling and Behavior", v. 5 ; pp. 1642-1644. ISSN 1559-2316.

Description

Title: Expression of amilase 1 (ami1) is suppressed during the first two days after germination
Author/s:
  • Hoffmann, Maik
  • Lehmann, Thomas
  • Neu, Daniel
  • Hentrich, Mathias
  • Pollmann, Stephan
Item Type: Article
Título de Revista/Publicación: Plant Signaling and Behavior
Date: January 2010
ISSN: 1559-2316
Volume: 5
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

The regulation of cellular auxin levels is a critical factor in determining plant growth and architecture, as indole-3-acetic acid (IAA) gradients along the plant axis and local IAA maxima are known to initiate numerous plant growth responses. The regulation of auxin homeostasis is mediated in part by transport, conjugation and deconjugation, as well as by de novo biosynthesis. However, the pathways of IAA biosynthesis are yet not entirely characterized at the molecular and biochemical level. It is suggested that several biosynthetic routes for the formation of IAA have evolved. One such pathway proceeds via the intermediate indole-3-acetamide (IAM), which is converted into IAA by the activity of specific IAM hydrolases, such as Arabidopsis AMIDASE1 (AMI1). In this article we present evidence to support the argument that AMI1-dependent IAA synthesis is likely not to be used during the first two days of seedling development.

More information

Item ID: 8810
DC Identifier: http://oa.upm.es/8810/
OAI Identifier: oai:oa.upm.es:8810
Official URL: http://www.landesbioscience.com/journals/psb/
Deposited by: Memoria Investigacion
Deposited on: 12 Mar 2013 13:02
Last Modified: 22 Sep 2014 10:36
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