Zonal Changes in Ascorbate and Hydrogen Peroxide Contents, Peroxidase, and Ascorbate-Related Enzyme Activities in Onion Roots

Onion (Allium cepa) roots growing hydroponically show differential zonal values for intra- (symplastic) and extra- (apoplastic) cellular ascorbate (ASC) and dehydroascorbate (DHA) contents and for related enzyme activities. In whole roots, ASC and DHA concentrations were higher in root apex and meri...

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Bibliographic Details
Main Authors: del Carmen Córdoba-Pedregosa, María, Córdoba, Francisco, Villalba, José Manuel, González-Reyes, José Antonio
Format: Artigo
Language:Inglês
Published: American Society of Plant Biologists 2003
Subjects:
Research Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC166845/
https://ncbi.nlm.nih.gov/pubmed/12586893
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1104/pp.012682
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