Search Ontology:
GO: Biological Process

photorespiration

Term ID
GO:0009853
Synonyms
  • photorespiratory pathway
Definition
A light-dependent catabolic process occurring concomitantly with photosynthesis in plants (especially C3 plants) whereby dioxygen (O2) is consumed and carbon dioxide (CO2) is evolved. The substrate is glycolate formed in large quantities in chloroplasts from 2-phosphoglycolate generated from ribulose 1,5-bisphosphate by the action of ribulose-bisphosphate carboxylase; the glycolate enters the peroxisomes where it is converted by glycolate oxidase to glyoxylate which undergoes transamination to glycine. This then passes into the mitochondria where it is decarboxylated forming one molecule of serine for every two molecules of glycine. This pathway also exists in photosynthetic bacteria. 0198506732
References
Ontology
GO: Biological Process    QuickGO    AmiGO
Relationships
has parts
is a type of
regulated by
Phenotype
Phenotype caused by Genes
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