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Open Access Green as soon as Postprint is submitted to ZB.
Ecotoxicology of ozone: Bioactivation of extracellular ascorbate.
Biochem. Biophys. Res. Commun. 366, 271-274 (2008)
The ascorbate pools of the extracellular respiratory lining fluids and the plant apoplast are currently considered as part of the first line of defence against ambient ozone. Ozone is in fact rapidly decomposed by ascorbate, but the only product identified so far (singlet oxygen) is toxic. Peroxy-l-threonic and peroxy-oxalic acids are now derived as further decomposition products on the basis of Criegee-type ozone chemistry. These secondary toxicants may resemble known ozone induced transmitter molecules by participating in signalling events affecting plant and animal innate immunity.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Ascorbate; Respiratory lining fluid; Plant apoplast; Singlet oxygen; Secondary toxicants
ISSN (print) / ISBN
0006-291X
e-ISSN
1090-2104
Quellenangaben
Volume: 366,
Issue: 2,
Pages: 271-274
Publisher
Elsevier
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Biochemical Plant Pathology (BIOP)