alexa Subcellular localisation and identification of superoxide dismutase in the leaves of higher plants.
Microbiology

Microbiology

Journal of Microbial & Biochemical Technology

Author(s): Jackson C, Dench J, Moore AL, Halliwell B, Foyer CH,

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Abstract 1. The subcellular location of superoxide dismutase in the leaves of spinach and other C3 plants has been investigated. 2. Most activity appeared to be located within chloroplasts. These organelles contain a cyanide-sensitive (copper-zinc) superoxide dismutase, most of which is located in the stroma although some is bound to the thylakoids. 3. Intact chloroplast fractions also contain a cyanide-insensitive (manganese) superoxide dismutase, but this activity is located on the outside of the chloroplasts and may be adsorbed onto them during isolation. 4. Leaf mitochondrial fractions contain only a small percentage of total leaf superoxide dismutase activity, but there is more than can be accounted for by contamination with chloroplasts. 5. Mitochondria contain both a cyanide-sensitive dismutase, apparently located in the intermembrane space, and a cyanide-insensitive activity, apparently located in the matrix. 6. The microsomal fraction contains no superoxide dismutase activity.
This article was published in Eur J Biochem and referenced in Journal of Microbial & Biochemical Technology

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