Identification of an F box protein that negatively regulates Pi starvation responses

Chen, Z.-H., Jenkins, G.I. and Nimmo, H.G. (2008) Identification of an F box protein that negatively regulates Pi starvation responses. Plant and Cell Physiology, 49(12), pp. 1902-1906. (doi: 10.1093/pcp/pcn157)

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Abstract

The <i>Arabidopsis</i> gene At5g21040 encodes a protein containing both WD40 and F-box motifs, termed FBX2. A T-DNA insertional mutant in this gene was obtained. Analysis of this mutant line showed that FBX2 is a negative regulator of several P<sub>i</sub> starvation responses. FBX2 interacts with BHLH32, another negative regulator of P<sub>i</sub> starvation responses. We suggest that FBX2 may be part of an SCF-like complex that recruits BHLH32 and its partners, potentially targeting the latter for proteolysis.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Jenkins, Professor Gareth and Chen, Dr Zhi-Hui and Nimmo, Professor Hugh
Authors: Chen, Z.-H., Jenkins, G.I., and Nimmo, H.G.
Subjects:Q Science > QH Natural history > QH345 Biochemistry
College/School:College of Medical Veterinary and Life Sciences > School of Molecular Biosciences
Journal Name:Plant and Cell Physiology
ISSN:0032-0781
ISSN (Online):1471-9053
Published Online:17 October 2008

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