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Details on Person Chlorophyll degradation is a characteristic symptom of leaf ...

Class:IdSummation:5266984
_displayNameChlorophyll degradation is a characteristic symptom of leaf ...
_timestamp2014-02-14 21:43:34
created[InstanceEdit:5323153] Preece, Justin, 2014-02-14
textChlorophyll degradation is a characteristic symptom of leaf senescence and fruit ripening. The reaction catalyzed by this enzyme requires reduced ferredoxin, which is generated either by NADPH through the pentose-phosphate pathway or by the action of photosystem I. This reaction takes place without release of the substrate from EC 1.14.12.20. Depending on the plant species used as the source of enzyme, one of two possible C-1 epimers of primary fluorescent chlorophyll catabolite (pFCC), pFCC-1 or pFCC-2, is normally formed, with all genera or species within a family producing the same isomer. After modification and export, pFCCs are eventually imported into the vacuole, where the acidic envirionment causes their non-enzymic conversion into colorless breakdown products called non-fluorescent chlorophyll catabolites (NCCs).
(summation)[Reaction:5270114] H++primary fluorescent chlorophyll catabolite+NADP+->red chlorophyll catabolite+NADPH [Arabidopsis thaliana]
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