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Modified Organism
SYN-ØØØDA-9 - Tomato Modified for delayed softening
Record information and status
Record ID
Date of creation
2006-07-13 15:17 UTC (kirsty.mclean.consultant@cbd.int)
Date of last update
2013-05-15 19:33 UTC (dina.abdelhakim@cbd.int)
Date of publication
2013-05-15 19:33 UTC (dina.abdelhakim@cbd.int)

Living Modified Organism identity
The image below identifies the LMO through its unique identifier, trade name and a link to this page of the BCH. Click on it to download a larger image on your computer. For help on how to use it go to the LMO quick-links page.

LMO name
Tomato Modified for delayed softening
Transformation event
87-22/08 (Da)
Unique identifier
Tomato with delayed softening through sense suppression of polygalacturonase (PG) enzyme activity from insertion of the a partial polygalacturonase (pg) gene, a pectin degrading enzyme derived from tomato.
Recipient Organism or Parental Organisms
The term Recipient organism refers to an organism (either already modified or non-modified) that was subjected to genetic modification, whereas Parental organisms refers to those that were involved in cross breeding or cell fusion.
Solanum lycopersicum - Tomato, SOLLC
Point of collection or acquisition of the recipient organism
T7 line
Related LMOs
SYN-ØØØØF-1 - Tomato Modified for delayed softening
Changes in physiology and/or production - Ripening Resistance to antibiotics - Kanamycin
SYN-ØØØØB-6 - Tomato Modified for delayed softening
Changes in physiology and/or production - Ripening Resistance to antibiotics - Kanamycin
Characteristics of the transformation process
Techniques used for the modification
  • Agrobacterium-mediated DNA transfer
Genetic elements construct
CaMV 35S promoter
0.53 Kb
Polygalacturonase gene
0.73 Kb
Nopaline Synthase Gene Terminator
0.25 Kb
Nopaline Synthase Gene Promoter
0.21 Kb
Neomycin Phosphotransferase II
0.80 Kb
Nopaline Synthase Gene Terminator
0.26 Kb
Further details
Notes regarding the genetic elements introduced or modified in this LMO
Southern blot and PCR analysis indicated that a single intact copy of the T-DNA was inserted into eh host genome
LMO characteristics
Modified traits
Additional Information
Additional Information
Reduced PG expression decreases the breakdown of pectin and leads to fruit with slowed cell wall breakdown, better viscosity characteristics and delayed softening. Tomato lines B, Da and F have improved harvest and processing properties that allow the transgenic tomatoes to remain longer on the vine to develop their natural flavour, maintain their firmness for shipping and produce a thicker consistency in processing.
Other relevant website address or attached documents

Records referencing this document (5)
5record(s) found
Country's Decision or any other Communication2 records
Modified Organism2 records
Risk Assessment1 record