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Gene and DNA Sequence
Record information and status
Record ID
Date of creation
2015-02-23 18:15 UTC (dina.abdelhakim@cbd.int)
Date of last update
2018-01-09 15:40 UTC (dina.abdelhakim@cbd.int)
Date of publication
2018-01-09 15:40 UTC (dina.abdelhakim@cbd.int)

General information
Name of the gene or DNA sequence
Polyphenol oxidase 5 gene
Category of DNA sequence
  • Protein coding sequence
Is the gene / DNA sequence is a synthetic molecule?
Donor organism
Donor organism
Solanum verrucosum - SOLVR
Characteristics of the protein coding sequence
Name of the protein expressed by the coding sequence
Polyphenol oxidase 5
Biological function
The PPO enzyme family catalyses the o-hydroxylation of monophenol molecules in which the benzene ring contains a single hydroxyl substituent) to o-diphenols (phenol molecules containing two hydroxyl substituents). It can also further catalyse the oxidation of o-diphenols to produce o-quinones.

PPO causes the rapid polymerization of o-quinones to produce black, brown or red pigments (polyphenols) that cause fruit browning
Related trait(s) or use(s) in biotechnology
Additional Information
Additional Information
Downregulation of the Ppo5 gene results in reduced susceptibility to black spot bruise development.

Records referencing this document (30)
30record(s) found
Country's Decision or any other Communication7 records
Modified Organism15 records
Risk Assessment8 records