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Kinase MPK17 and the Peroxisome Division Factor PMD1 Influence Salt-induced Peroxisome Proliferation.

Publication ,  Journal Article
Frick, EM; Strader, LC
Published in: Plant physiology
January 2018

Peroxisomes are small organelles that house many oxidative reactions. Peroxisome proliferation is induced under multiple stress conditions, including salt stress; however, factors regulating this process are not well defined. We have identified a role for Arabidopsis (Arabidopsis thaliana) MAP KINASE17 (MPK17) in affecting peroxisome division in a manner that requires the known peroxisome division factor PEROXISOME AND MITOCHONDRIAL DIVISION FACTOR1 (PMD1). MPK17 and PMD1 are involved in peroxisome proliferation in response to NaCl stress. Additionally, we found that PMD1 is an actin-binding protein and that a functioning actin cytoskeleton is required for NaCl-induced peroxisome division. Our data suggest roles for MPK17 and PMD1 in influencing the numbers and cellular distribution of peroxisomes through the cytoskeleton-peroxisome connection. These findings expand our understanding of peroxisome division and potentially identify factors connecting the actin cytoskeleton and peroxisome proliferation.

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Published In

Plant physiology

DOI

EISSN

1532-2548

ISSN

0032-0889

Publication Date

January 2018

Volume

176

Issue

1

Start / End Page

340 / 351

Related Subject Headings

  • Sodium Chloride
  • Protein Binding
  • Polymerization
  • Plant Biology & Botany
  • Phenotype
  • Peroxisomes
  • Mutation
  • Models, Biological
  • Mitogen-Activated Protein Kinases
  • Membrane Proteins
 

Citation

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Frick, E. M., & Strader, L. C. (2018). Kinase MPK17 and the Peroxisome Division Factor PMD1 Influence Salt-induced Peroxisome Proliferation. Plant Physiology, 176(1), 340–351. https://doi.org/10.1104/pp.17.01019
Frick, Elizabeth M., and Lucia C. Strader. “Kinase MPK17 and the Peroxisome Division Factor PMD1 Influence Salt-induced Peroxisome Proliferation.Plant Physiology 176, no. 1 (January 2018): 340–51. https://doi.org/10.1104/pp.17.01019.
Frick, Elizabeth M., and Lucia C. Strader. “Kinase MPK17 and the Peroxisome Division Factor PMD1 Influence Salt-induced Peroxisome Proliferation.Plant Physiology, vol. 176, no. 1, Jan. 2018, pp. 340–51. Epmc, doi:10.1104/pp.17.01019.

Published In

Plant physiology

DOI

EISSN

1532-2548

ISSN

0032-0889

Publication Date

January 2018

Volume

176

Issue

1

Start / End Page

340 / 351

Related Subject Headings

  • Sodium Chloride
  • Protein Binding
  • Polymerization
  • Plant Biology & Botany
  • Phenotype
  • Peroxisomes
  • Mutation
  • Models, Biological
  • Mitogen-Activated Protein Kinases
  • Membrane Proteins