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Living Modified Organism (LMO)
  |  
Decisions on the LMO Risk Assessments  
published: 18 Jul 2013 last updated: 13 Jul 2026
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.
Insect-Resistant and Herbicide-Tolerant Maize
EN
4114
Yes
DP-ØØ4114-3
Maize (Zea mays) was modified for resistance to lepidoptera, including European corn borer (Ostrinia nubilalis), and coleoptera insect pests including corn rootworm pests, such as the western corn rootworm (Diabrotica virgifera virgifera), and tolerance to glufosinate-ammonium herbicide. To achieve resistance to lepidopteran insects, the maize expresses the cryIF gene from Bacillus thuringiensis. To achieve resistance to coleopteran insects, the maize expresses the cry34Ab1 and cry35Ab1 genes from Bacillus thuringiensis. The cry genes have a pore forming mode-of-action in the epithelial lining of feeding larvae; they produce a crystal delta-endotoxin that binds to specific midgut receptors in the insect larva, forming pores that disrupt osmotic balance and cause fatal cell lysis. To achieve glufosinate tolerance, the maize expresses the gene from Streptomyces viridochromogenes encoding phosphinothricin N-acetyltransferase, which inactivates the active compound L-phosphinothricin through acetylation of the primary amino group.
EN
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.
Maize inbred line: PHWWE
EN
  • DAS-59122-7 × DAS-Ø15Ø7-1 × MON-ØØ6Ø3-6 - Herculex XTRA™ Roundup Ready™ 2 maize
    | Pioneer Hi-Bred International Inc. | Resistance to diseases and pests (Insects, Coleoptera (beetles), Lepidoptera (butterflies and moths)), Resistance to herbicides (Glufosinate, Glyphosate)
  • DP-Ø32316-8 - Insect Resistant, Herbicide Tolerant Maize
    | Resistance to diseases and pests (Insects, Lepidoptera (butterflies and moths)), Resistance to herbicides (Glufosinate)
Characteristics of the modification process
PHP27118
EN
  • Agrobacterium-mediated DNA transfer
Some of these genetic elements may be present as fragments or truncated forms. Please see notes below, where applicable.
  • BCH-GENE-SCBD-100362-7 Ubiquitin gene promoter | Zea mays (Maize, Corn, MAIZE)
    Promoter
  • BCH-GENE-SCBD-103627-5 Ubiquitin Intron 1 | Zea mays (Maize, Corn, MAIZE)
    Intron
  • BCH-GENE-SCBD-14987-8 Cry1F | Bacillus thuringiensis (Bt, Bacillus, BACTU)
    Protein coding sequence | Resistance to diseases and pests (Insects, Lepidoptera (butterflies and moths))
  • BCH-GENE-SCBD-100363-5 ORF25 PolyA Terminator sequence | Agrobacterium tumefaciens (Agrobacterium)
    Terminator
  • BCH-GENE-SCBD-14994-9 Cry34Ab1 | Bacillus thuringiensis (Bt, Bacillus, BACTU)
    Protein coding sequence | Resistance to diseases and pests (Insects, Coleoptera (beetles))
  • BCH-GENE-SCBD-100367-4 Proteinase inhibitor II gene terminator | Solanum tuberosum (Potato, SOLTU)
    Terminator
  • BCH-GENE-SCBD-100368-6 Peroxidase gene promoter | Triticum aestivum (Wheat)
    Promoter
  • BCH-GENE-SCBD-14995-8 Cry35Ab1 | Bacillus thuringiensis (Bt, Bacillus, BACTU)
    Protein coding sequence | Resistance to diseases and pests (Insects, Coleoptera (beetles))
  • BCH-GENE-SCBD-100287-7 CaMV 35S promoter | Cauliflower mosaic virus (CaMV)
    Promoter
  • BCH-GENE-SCBD-15002-5 Phosphinothricin N-acetyltransferase | Streptomyces viridochromogenes (STRVR)
    Protein coding sequence | Resistance to herbicides (Glufosinate)
  • BCH-GENE-SCBD-100290-6 CaMV 35S terminator | Cauliflower mosaic virus (CaMV)
    Terminator
Information on the inserted DNA sequences
The transforming plasmid for maize DP-ØØ4114-3 contained a transfer DNA region comprising four gene cassettes: three expressing insecticidal proteins, cryIF, cry34Ab1 and cry35Ab1 genes from Bacillus thuringiensis, and one cassette used for positive transformant selection expressing the herbicide tolerance protein phosphinothricin N-acetyltransferase (PAT).

(1) The cryIF gene is regulated by the ubiquitin gene promoter from Zea mays and the ORF25 polyA terminator sequence from Agrobacterium tumefaciens. An intron from Zea mays (intron 1) was included to enhance expression of the cryIF sequence from Bacillus thuringiensis. High levels of transcription are expected due to the strong constitutive promoter accompanied by intron-mediated enhancement.

(2) The cry34Ab1 gene is regulated by the ubiquitin gene promoter from Z. mays and the proteinase inhibitor II terminator from Solanum tuberosum. The intron 1 from Z. mays was included to enhance expression of the cry34Ab1 sequence from B. thuringiensis. High levels of transcription are expected due to the strong constitutive promoter accompanied by intron-mediated enhancement.

(3) The cry35Ab1 gene is regulated peroxidase gene promoter from Triticum aestivum by the ubiquitin gene promoter from Z. mays and the proteinase inhibitor II terminator from Solanum tuberosum. An intron from Z. mays was included to enhance expression of the cry35Ab1 sequence from B. thuringiensis. High levels of transcription are expected due to the strong constitutive promoter.

(4) The pat is used as a selectable marker for transformants, and the gene is regulated by the Cauliflower mosaic virus 35S promoter and terminator.

Note
  • The polyubiquitin gene promoter element is made up of the promoter region (900bp) and the 5’ untranslated region of the polyubiquitin gene (83 bp).
  • Southern blot analyses indicated that a single, intact transformation cassette was inserted into the genome of 4114 maize with no integration of the backbone of plasmid PHP27118.
EN
LMO characteristics
EN
  • Feed
  • Food
Detection method(s)
EN
Additional Information
EN
Records referencing this document Show in search
Record type Field Record(s)
Living Modified Organism Recipient Organism or Parental Organisms 10
Living Modified Organism Related LMO(s) 1
Country's Decision or any other Communication LMO identification 12
Risk Assessment generated by a regulatory process Living modified organism(s) 12
Laboratory for detection and identification of LMOs LMO(s) detectable by the laboratory 4