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The potential physiological implications of polygalacturonic acid-mediated production of superoxide

Authorized Users Only
2010
Authors
Spasojević, Ivan
Bogdanović Pristov, Jelena
Article (Published version)
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Abstract
PGA/OGA/PF represent apoplastic signaling molecules implicated in the control of gene expression and the activity of enzymes involved in defense regulation. However, the underlying mechanisms behind such processes are lacking. Here we unequivocally show using EPR spectroscopy with DEPMPO spin-trap capable of differentiating between •OH and •O2 - that PGA and PF can produce •O2 - by transforming •OH. The potential physiological implications of this unique property are discussed. We propose that PGA/OGA/PF could represent the initiators of redox signaling cascades in stress response, with H2O2 being a downstream secondary messenger.
Keywords:
Superoxide / Redox signaling / Polygalacturonic acid / Pectin / Hydrogen peroxide / Apoplast
Source:
Plant Signaling and Behavior, 2010, 5, 12, 1525-1529
Publisher:
  • Landes Bioscience

DOI: 10.4161/psb.5.12.12838

ISSN: 1559-2316

PubMed: 21139441

Scopus: 2-s2.0-79551677245
[ Google Scholar ]
6
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/403
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Spasojević, Ivan
AU  - Bogdanović Pristov, Jelena
PY  - 2010
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/403
AB  - PGA/OGA/PF represent apoplastic signaling molecules implicated in the control of gene expression and the activity of enzymes involved in defense regulation. However, the underlying mechanisms behind such processes are lacking. Here we unequivocally show using EPR spectroscopy with DEPMPO spin-trap capable of differentiating between •OH and •O2 - that PGA and PF can produce •O2 - by transforming •OH. The potential physiological implications of this unique property are discussed. We propose that PGA/OGA/PF could represent the initiators of redox signaling cascades in stress response, with H2O2 being a downstream secondary messenger.
PB  - Landes Bioscience
T2  - Plant Signaling and Behavior
T1  - The potential physiological implications of polygalacturonic acid-mediated production of superoxide
EP  - 1529
IS  - 12
SP  - 1525
VL  - 5
DO  - 10.4161/psb.5.12.12838
ER  - 
@article{
author = "Spasojević, Ivan and Bogdanović Pristov, Jelena",
year = "2010",
abstract = "PGA/OGA/PF represent apoplastic signaling molecules implicated in the control of gene expression and the activity of enzymes involved in defense regulation. However, the underlying mechanisms behind such processes are lacking. Here we unequivocally show using EPR spectroscopy with DEPMPO spin-trap capable of differentiating between •OH and •O2 - that PGA and PF can produce •O2 - by transforming •OH. The potential physiological implications of this unique property are discussed. We propose that PGA/OGA/PF could represent the initiators of redox signaling cascades in stress response, with H2O2 being a downstream secondary messenger.",
publisher = "Landes Bioscience",
journal = "Plant Signaling and Behavior",
title = "The potential physiological implications of polygalacturonic acid-mediated production of superoxide",
pages = "1529-1525",
number = "12",
volume = "5",
doi = "10.4161/psb.5.12.12838"
}
Spasojević, I.,& Bogdanović Pristov, J.. (2010). The potential physiological implications of polygalacturonic acid-mediated production of superoxide. in Plant Signaling and Behavior
Landes Bioscience., 5(12), 1525-1529.
https://doi.org/10.4161/psb.5.12.12838
Spasojević I, Bogdanović Pristov J. The potential physiological implications of polygalacturonic acid-mediated production of superoxide. in Plant Signaling and Behavior. 2010;5(12):1525-1529.
doi:10.4161/psb.5.12.12838 .
Spasojević, Ivan, Bogdanović Pristov, Jelena, "The potential physiological implications of polygalacturonic acid-mediated production of superoxide" in Plant Signaling and Behavior, 5, no. 12 (2010):1525-1529,
https://doi.org/10.4161/psb.5.12.12838 . .

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