-
Expression of Arabidopsis response regulator homologs is induced by cytokinins and nitrate.
Department of Biological Mechanisms and Functions, Graduate School of Bioagricultural Sciences, Nagoya University, Japan. taniguti@agr.nagoya-u.ac.jp
We examined cytokinin and nitrate responsiveness in gene expression of five distinct response regulator homologs (ARR3-ARR7) in the leaves of nitrogen-starved Arabidopsis plants. The transcripts accumulated after spraying the shoots with t-zeatin. The induction of accumulation was highly specific for cytokinins. The transcripts also accumulated by supply of nitrate to the culture medium. These findings suggest that ARRs are involved in inorganic nitrogen signal transduction mediated by cytokinin as in the case of ZmCip1, a response regulator homolog recently identified in maize.
PMID: 9662428 [PubMed - indexed for MEDLINE]
-
Cited by 15 PubMed Central articles
-
The Cytokinin Type-B Response Regulator PtRR13 Is a Negative Regulator of Adventitious Root Development in Populus.
Ramírez-Carvajal GA, Morse AM, Dervinis C, Davis JM.
Plant Physiol. 2009 Jun; 150(2):759-71. Epub 2009 Apr 24.
[Plant Physiol. 2009]
-
GeBP and GeBP-like proteins are noncanonical leucine-zipper transcription factors that regulate cytokinin response in Arabidopsis.
Chevalier F, Perazza D, Laporte F, Le Hénanff G, Hornitschek P, Bonneville JM, Herzog M, Vachon G.
Plant Physiol. 2008 Mar; 146(3):1142-54. Epub 2007 Dec 27.
[Plant Physiol. 2008]
-
Cytokinin receptors are involved in alkamide regulation of root and shoot development in Arabidopsis.
López-Bucio J, Millán-Godínez M, Méndez-Bravo A, Morquecho-Contreras A, Ramírez-Chávez E, Molina-Torres J, Pérez-Torres A, Higuchi M, Kakimoto T, Herrera-Estrella L.
Plant Physiol. 2007 Dec; 145(4):1703-13. Epub 2007 Oct 26.
[Plant Physiol. 2007]
- » See all...