14-3-3 Proteins fine-tune plant nutrient metabolism

14-3-3 Proteins regulate many cellular processes by binding to phosphorylated proteins. Previous findings suggest a connection between three 14-3-3 isoforms and plant nutrient signaling. To better understand how these 14-3-3s regulate metabolism in response to changes in plant nutrient status, putat...

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Bibliographic Details
Published in:FEBS letters 2011-01, Vol.585 (1), p.143-147
Main Authors: Shin, Ryoung, Jez, Joseph M., Basra, Amarjit, Zhang, Bei, Schachtman, Daniel P.
Format: Article
Language:English
Subjects:
14-3-3 Proteins
14-3-3 Proteins - genetics
14-3-3 Proteins - metabolism
AGT
alanine-glyoxylate aminotransferase
Amino Acid Sequence
Arabidopsis
Arabidopsis - genetics
Arabidopsis - growth & development
Arabidopsis - metabolism
Arabidopsis Proteins
Arabidopsis Proteins - genetics
Arabidopsis Proteins - metabolism
biochemical pathways
Blotting, Western
CRC
cysteine regulatory complex
Gene Expression Regulation, Developmental
Gene Expression Regulation, Plant
genetics
glutamine synthetase
growth & development
Hydroponics
Immunoprecipitation
knockout
Metabolic Networks and Pathways
Metabolism
Molecular Sequence Data
Mutation
nitrogen
Nitrogen - metabolism
Nutrient
O-acetylserine(thiol)lyase
OASTL
overexpression
PEPC
Phosphates
Phosphates - metabolism
phosphoenolpyruvate carboxylase
phosphorus
Plant
plant nutrition
plant physiology
plants (botany)
Plants, Genetically Modified
Potassium
Potassium - metabolism
Protein Binding
Protein Isoforms
Protein Isoforms - genetics
Protein Isoforms - metabolism
proteins
Reverse Transcriptase Polymerase Chain Reaction
RNA Interference
SAT
serine acetyltransferase
signal transduction
sulfur
Sulfur - metabolism
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Summary:14-3-3 Proteins regulate many cellular processes by binding to phosphorylated proteins. Previous findings suggest a connection between three 14-3-3 isoforms and plant nutrient signaling. To better understand how these 14-3-3s regulate metabolism in response to changes in plant nutrient status, putative new targets involved in nitrogen (N) and sulfur (S) metabolisms have been identified. The interactions between these 14-3-3s and multiple proteins involved in N and S metabolism and altered activity of the target proteins were confirmed in planta. Using a combination of methods, this work elucidates how 14-3-3s function as modulators of plant N and S metabolic pathways.
ISSN:0014-5793
1873-3468
DOI:10.1016/j.febslet.2010.11.025