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Literature summary for 3.2.1.15 extracted from

  • Ghiani, A.; Onelli, E.; Aina, R.; Cocucci, M.; Citterio, S.
    A comparative study of melting and non-melting flesh peach cultivars reveals that during fruit ripening endo-polygalacturonase (endo-PG) is mainly involved in pericarp textural changes, not in firmness reduction (2011), J. Exp. Bot., 62, 4043-4054.
    View publication on PubMed
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Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall
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 Prunus persica 5618
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cytoplasm pericarp cell Prunus persica 5737
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additional information during melting flesh fruit softening, the intensity of the endo-PG signal increases significantly and, although a small fraction of the protein is still localized in the pericarp cell cytoplasm, most endo-PGs are concentrated in the cell walls and often could be observed in the outer primary cell wall corresponding to the location of the middle lamella. In unripe NMF fruit, in exocarp and mesocarp weak activity is distributed in the cytoplasm and in the inner primary cell wall of both the exocarp and mesocarp cells Prunus persica
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Organism

Organism UniProt Comment Textmining
Prunus persica
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-
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Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein 2 of 9 endo-PG isozymes are glycosylated Prunus persica
additional information endo-PG isoforms are phosphorylated Prunus persica

Source Tissue

Source Tissue Comment Organism Textmining
fruit fruit pericarp, exocarp and mesocarp, during ripening. RNA and protein expression of the enzyme occurs in all melting flesh and non-melting flesh fruit except for unripe non-melting flesh and slow-ripening mutant fruit, semi-quantitative expression analysis, overview Prunus persica
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Synonyms

Synonyms Comment Organism
endo-PG
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 Prunus persica
endo-polygalacturonase
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 Prunus persica

General Information

General Information Comment Organism
physiological function contribution of the endo-PG protein to softening during peach ripening. Changes in tissue morphology, endo-PG localization, and endo-PG isoforms are examined during ripening in melting flesh and non-melting flesh cultivars, as well as in a slow-ripening mutant, overview Prunus persica