GM Crop Database

Database Product Description

Host Organism
Zea mays (Maize)
Imidazolinone herbicide tolerance.
Trait Introduction
Selection of somaclonal variants from embryo cultures.
Proposed Use

Production for human consumption and livestock feed.

Product Developer
Pioneer Hi-Bred International Inc.

Summary of Regulatory Approvals

Country Food Feed Environment Notes
Canada 1998

Summary of Introduced Genetic Elements Expand

Code Name Type Promoter, other Terminator Copies Form
als acetolactate synthase MUT In vitro selection of imidazolinone tolerant mutants

Characteristics of Zea mays (Maize) Expand

Center of Origin Reproduction Toxins Allergenicity

Mesoamerican region, now Mexico and Central America

Cross-pollination via wind-borne pollen is limited, pollen viability is about 30 minutes. Hybridization reported with teosinte species and rarely with members of the genus Tripsacum.

No endogenous toxins or significant levels of antinutritional factors.

Although some reported cases of maize allergy, protein(s) responsible have not been identified.

Links to Further Information Expand

Office of Food Biotechnology, Health Canada

This record was last modified on Friday, March 26, 2010