Kozi Asada

Hydrogen Peroxide is Scavenged by Ascorbate-specific Peroxidase in Spinach Chloroplasts

Abstract Intact spinach chloroplasts scavenge hydrogen peroxide with a peroxidase that uses a photoreductant as the electron donor, but the activity of ruptured chloroplasts is ...

Subcellular Location of Superoxide Dismutase in Spinach Leaves and Preparation and Properties of Crystalline Spinach Superoxide Dismutase

Localization of superoxide dismutase in spinach chloroplasts was demonstrated by differential and sucrose‐density centrifugations. About half to two thirds of the enzyme in chlo...

Reactivity of Thiols with Superoxide Radicals

Journal Article Reactivity of Thiols with Superoxide Radicals Get access Kozi Asada, Kozi Asada The Research Institute for Food Science, Kyoto University, Uji, Kyoto 611, Japan ...

Reduction of plastocyanin with O2- and superoxide dismutase-dependent oxidation of plastocyanin by H2O2

Type I copper proteins, plastocyanin and rice blue protein, were reduced with O2 (-). The reduction rate constants of plastocyanins from several sources with O2 (-) are about 10...

Univalent Reduction of Molecular Oxygen by Spinach Chloroplasts on Illumination

Spinach chloroplasts induced the photoreduction of cytochrome c and photooxidation of epinephrine, both of which depended on oxygen and were inhibited by superoxide dismutase.Th...

Spinach chloroplasts scavenge hydrogen peroxide on illumination

Isolation of monomeric cytochrome f from Japanese radish and a mechanism of autoreduction.

Monomeric cytochrome f from Japanese radish (Raphanus sativus L. var acanthiformis Makino) leaves was isolated in a homogeneous state with an A420.5/A277 of 7.6. Radish cytochro...

Purification and properties of cytochrome <italic>c</italic> and two peroxidases from spinach leaves

1. A simultaneous purification procedure of cytochrome c, peroxidases, ferredoxin, ferredoxin-NADP reductase and sulfite reductase from spinach leaves is described. Cytochrome c...