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Literature summary for 1.11.2.3 extracted from

  • Partridge, M.; Murphy, D.J.
    Roles of a membrane-bound caleosin and putative peroxygenase in biotic and abiotic stress responses in Arabidopsis (2009), Plant Physiol. Biochem., 47, 796-806.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast envelope isoform Clo-3 Arabidopsis thaliana 9941
-
membrane
-
Arabidopsis thaliana 16020
-
microsome isoform Clo-3 Arabidopsis thaliana
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ the Clo-3 protein binds one atom of calcium per molecule Arabidopsis thaliana

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25000
-
x * 25000, seed-specific isoform Clo-1, SDS-PAGE Arabidopsis thaliana
27000
-
x * 27000, microsomal isoform Clo-3, SDS-PAGE Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
aniline + cumene hydroperoxide Arabidopsis thaliana
-
nitrosobenzene + ?
-
?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
ecotype Columbia
-

Posttranslational Modification

Posttranslational Modification Comment Organism
phosphoprotein Clo-3 is phosphorylated in response to salt stress Arabidopsis thaliana

Source Tissue

Source Tissue Comment Organism Textmining
flower isoform Clo-3 Arabidopsis thaliana
-
leaf isoform Clo-3 Arabidopsis thaliana
-
root isoform Clo-3 Arabidopsis thaliana
-
seed isoform Clo-1 Arabidopsis thaliana
-
silique isoform Clo-3 Arabidopsis thaliana
-
stem isoform Clo-3 Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
aniline + cumene hydroperoxide
-
Arabidopsis thaliana nitrosobenzene + ?
-
?

Subunits

Subunits Comment Organism
? x * 25000, seed-specific isoform Clo-1, SDS-PAGE Arabidopsis thaliana
? x * 27000, microsomal isoform Clo-3, SDS-PAGE Arabidopsis thaliana

Synonyms

Synonyms Comment Organism
caleosin
-
Arabidopsis thaliana
Clo-1 caleosin isoform Arabidopsis thaliana
Clo-3 caleosin isoform Arabidopsis thaliana

Expression

Organism Comment Expression
Arabidopsis thaliana isoform Clo-3 is highly upregulated following exposure to abiotic stresses, such as salt and drought or treatment with salicylic acid or 2,6-dichloroisonicotinic acid, and to biotic stress such as Leptosphaeria maculans infection up

General Information

General Information Comment Organism
physiological function the membrane-bound isoform of caleosin plays a putative role as a peroxygenase involved in oxylipin metabolism during biotic and abiotic stress responses in Arabidopsis. Clo-3 is involved in the generation of oxidised fatty acids in stress-related signalling pathways involving both ABA and salicylic acid. Clo-3 is part of an oxylipin pathway induced by multiple stresses and may also generate fatty acid derived anti-fungal compounds for plant defence Arabidopsis thaliana