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Literature summary for 1.3.7.12 extracted from

  • Roca, M.; James, C.; Pruzinska, A.; Hoertensteiner, S.; Thomas, H.; Ougham, H.
    Analysis of the chlorophyll catabolism pathway in leaves of an introgression senescence mutant of Lolium temulentum (2004), Phytochemistry, 65, 1231-1238.
    View publication on PubMed
Search for more literature for 1.3.7.12

Protein Variants

Protein Variants Comment Organism
additional information introduction of the stay-green gene from Festuca pratensis enzyme activity related to chlorophyll catabolism are analyzed in senescing leaves of wild-type Lolium temulentum and compared with mutant stay line leaves. During senescence of wild-type leaves chlorophylls a and b are continuously catabolised to colourless products and no other derivatives are observed, whereas in mutant stay-green leaves there is an accumulation of dephytylated and oxidised catabolites including chlorophyllide a, phaeophorbide a and 132 OH-chlorophyllide a. Pigment analysis, overview. The stay-green phenotype is not due to a mutation in RCCR in Lolium temulentum Lolium temulentum

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast stroma Lolium temulentum 9507
-
soluble
-
 Lolium temulentum
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ Lolium temulentum
-
 primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster
-
 ?

Organism

Organism UniProt Comment Textmining
Lolium temulentum
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf senescent Lolium temulentum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
red chlorophyll catabolite + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+
-
 Lolium temulentum primary fluorescent chlorophyll catabolite + 2 oxidized ferredoxin [iron-sulfur] cluster
-
 ?

Synonyms

Synonyms Comment Organism
RCC reductase
-
 Lolium temulentum
RCCR
-
 Lolium temulentum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
 assay at Lolium temulentum

Cofactor

Cofactor Comment Organism Structure
Ferredoxin
-
 Lolium temulentum

General Information

General Information Comment Organism
physiological function the enzyme is involved in chlorophyll catabolism in leaf senescence. Chlorophyll catabolism occurs throughout the plant life-cycle and is highly sensitive to both biotic and abiotic stresses Lolium temulentum