Event Name: 32138

Event Code : DP-32138-1
Trade Name:
32138 SPT maintainer

Crop: Zea mays L. - Maize, Corn

Developer: DuPont (Pioneer Hi-Bred International Inc.)

Method of Trait Introduction: Agrobacterium tumefaciens-mediated plant transformation

GM Traits: Male sterility , Fertility restoration , Visual marker

Commercial Trait: (SingularPollination control system (PC)


Basic Genetic Modification

Gene Introduced Gene Source Product Function
ms45 Zea mays ms45 protein restores fertility by restoring the development of the microspore cell wall that gives rise to pollen
zm-aa1 Zea mays alpha amylase enzyme hydrolyses starch and makes pollen sterile when expressed in immature pollen
dsRed2  * Discosoma sp. red fluorescent protein produces red stain on transformed tissue, which allows visual selection
 * : Selection Marker/Reporter


Regulatory Approvals: Country, Year and Type of Approval

Country Food
direct use or processing
direct use or processing
domestic or non-domestic use
United States      

Last updated: September 8, 2016


Documents and Links

Event Description

Regulatory and Biosafety Information

Detection Methods