Literature DB >> 8612271

HOOKLESS1, an ethylene response gene, is required for differential cell elongation in the Arabidopsis hypocotyl.

A Lehman1, R Black, J R Ecker.   

Abstract

Bending in plant tissues results from differential cell elongation. We have characterized Arabidopsis "hookless" mutants that are defective in differential growth in the hypocotyl. HOOKLESS1 was cloned and its predicted protein shows similarity to a diverse group of N-acetyltransferases. HOOKLESS1 mRNA is increased by treatment with ethylene and decreased in the ethylene-insensitive mutant ein2. High level expression of HOOKLESS1 mRNA results in constitutive hook curvature. The morphology of the hookless hypocotyl is phenocopied by inhibitors of auxin transport or by high levels of endogenous or exogenous auxin. Spatial patterns of expression of two immediate early auxin-responsive genes are altered in hookless1 mutants, suggesting that the ethylene response gene HOOKLESS1 controls differential cell growth by regulating auxin activity.

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Year:  1996        PMID： 8612271     DOI： 10.1016/s0092-8674(00)81095-8

Source DB:  PubMed          Journal:  Cell        ISSN： 0092-8674            Impact factor:   41.582


  149 in total

1.  Cell division activity during apical hook development.

Authors:  V Raz; M Koornneef
Journal:  Plant Physiol       Date:  2001-01       Impact factor: 8.340

2.  Hormone autotrophic growth and differentiation identifies mutant lines of Arabidopsis with altered cytokinin and auxin content or signaling.

Authors:  M Frank; H M Rupp; E Prinsen; V Motyka; H Van Onckelen; T Schmülling
Journal:  Plant Physiol       Date:  2000-03       Impact factor: 8.340

Review 3.  Polar auxin transport--old questions and new concepts?

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4.  Gibberellin biosynthesis and response during Arabidopsis seed germination.

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Journal:  Plant Cell       Date:  2003-07       Impact factor: 11.277

5.  The Five "Classical" Plant Hormones.

Authors:  H. Kende; JAD. Zeevaart
Journal:  Plant Cell       Date:  1997-07       Impact factor: 11.277

6.  Measuring specific interaction of transcription factor ZmDREB1A with its DNA responsive element at the molecular level.

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Journal:  Nucleic Acids Res       Date:  2004-07-12       Impact factor: 16.971

7.  GENEVESTIGATOR. Arabidopsis microarray database and analysis toolbox.

Authors:  Philip Zimmermann; Matthias Hirsch-Hoffmann; Lars Hennig; Wilhelm Gruissem
Journal:  Plant Physiol       Date:  2004-09       Impact factor: 8.340

Review 8.  Auxin: regulation, action, and interaction.

Authors:  Andrew W Woodward; Bonnie Bartel
Journal:  Ann Bot       Date:  2005-03-04       Impact factor: 4.357

9.  The Arabidopsis mutant alh1 illustrates a cross talk between ethylene and auxin.

Authors:  Filip Vandenbussche; Jan Smalle; Jie Le; Nelson José Madeira Saibo; Annelies De Paepe; Laury Chaerle; Olaf Tietz; Raphael Smets; Lucas J J Laarhoven; Frans J M Harren; Harry Van Onckelen; Klaus Palme; Jean-Pierre Verbelen; Dominique Van Der Straeten
Journal:  Plant Physiol       Date:  2003-03       Impact factor: 8.340

10.  Ethylene and auxin control the Arabidopsis response to decreased light intensity.

Authors:  Filip Vandenbussche; Willem H Vriezen; Jan Smalle; Lucas J J Laarhoven; Frans J M Harren; Dominique Van Der Straeten
Journal:  Plant Physiol       Date:  2003-09-11       Impact factor: 8.340
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