The ascorbate peroxidase-related protein: insights into its functioning in Chlamydomonas and Arabidopsis

We review the newly classified ascorbate peroxidase-related (APX-R) proteins, which do not use ascorbate as electron donor to scavenge H O . We summarize recent discoveries on the function and the characterization of the APX-R protein of the green unicellular alga and the land plant . Additionally,...

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Bibliographic Details
Published in:Frontiers in plant science 2024-10, Vol.15, p.1487328
Main Authors: Caccamo, Anna, Lazzarotto, Fernanda, Margis-Pinheiro, Marcia, Messens, Joris, Remacle, Claire
Format: Article
Language:English
Subjects:
APX-R
Arabidopsis
Biochemistry, biophysics & molecular biology
Biochimie, biophysique & biologie moléculaire
Chlamydomonas
H2O2
Life sciences
MxxM motif
phylogeny
Plant Science
Sciences du vivant
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Summary:We review the newly classified ascorbate peroxidase-related (APX-R) proteins, which do not use ascorbate as electron donor to scavenge H O . We summarize recent discoveries on the function and the characterization of the APX-R protein of the green unicellular alga and the land plant . Additionally, we conduct analyses on the conserved MxxM motif, present in most of the APX-R protein in different organisms, which is proposed to bind copper. Based on these analyses, we discuss the similarities between the APX-R and the class III peroxidases.
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2024.1487328