Comparative proteome analysis of differentially expressed proteins induced by K+ deficiency in Arabidopsis thaliana

Gu Kang Jeong, Jae Pyo Young, Jin Won Cho, Haeng Cho Myeon

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Mineral nutrient deficiencies constitute major limitations for plant growth on agricultural soils around the world. To identify genes that possibly play roles in plant K+ nutrition, we employed the comparative proteome analysis for proteins isolated from Arabidopsis seedlings treated with K + deficiency for 3 h and 7 d. We identified genes including those encoding putative transcription factors, protein kinases, and phosphatases, proteins involved in phytohormone biosynthesis or signaling, proteins involved in carbon and energy metabolism, and other proteins possibly involved in signal transduction pathway such as 14-3-3 proteins and small G-protein. Our results suggest that those proteins may play roles in signal transduction pathways linking changes in extracellular K+ status to alterations in gene expression facilitating K+ homeostasis. These results yield a comprehensive picture of the post-transcriptional response for deprivation of K+ and serve as a basic platform for further characterization of gene function and regulation in plant mineral nutrition.

Original languageEnglish
Pages (from-to)3549-3559
Number of pages11
JournalProteomics
Volume4
Issue number11
DOIs
Publication statusPublished - 2004 Nov 1

Fingerprint

Proteome
Arabidopsis
Signal transduction
Genes
Minerals
Signal Transduction
Nutrition
Proteins
Arabidopsis Proteins
14-3-3 Proteins
Plant Growth Regulators
Monomeric GTP-Binding Proteins
Phosphoprotein Phosphatases
Seedlings
Protein Kinases
Energy Metabolism
Biosynthesis
Homeostasis
Transcription Factors
Soil

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Biology

Cite this

Jeong, Gu Kang ; Young, Jae Pyo ; Cho, Jin Won ; Myeon, Haeng Cho. / Comparative proteome analysis of differentially expressed proteins induced by K+ deficiency in Arabidopsis thaliana. In: Proteomics. 2004 ; Vol. 4, No. 11. pp. 3549-3559.
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Comparative proteome analysis of differentially expressed proteins induced by K+ deficiency in Arabidopsis thaliana. / Jeong, Gu Kang; Young, Jae Pyo; Cho, Jin Won; Myeon, Haeng Cho.

In: Proteomics, Vol. 4, No. 11, 01.11.2004, p. 3549-3559.

Research output: Contribution to journalArticle

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