MON-87427-7 - Maize modified for tissue selective glyphosate tolerance | BCH-LMO-SCBD-104758 | Living Modified Organism | Biosafety Clearing-House

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Living Modified Organism (LMO)

Decisions on the LMO Risk Assessments  
published: 14 Mar 2013 last updated: 13 Nov 2017
Living Modified Organism identity
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Maize modified for tissue selective glyphosate tolerance
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MON87427
MON-87427-7
  • - Organization: Monsanto () | BCH-CON-SCBD-14925-3
    Organization
    Monsanto ()
    800 North Lindbergh Blvd.
    St. Louis, MO
    63167, United States of America
    Phone: + 1 314 694-1000,
    Fax: +1 314 694-3080,
    Email:
MON87427 was modifies to express the CP4 EPSPS protein which confers tolerance to the herbicide glyphosate.

The e35S-hsp70 promoter and intron combination is used to drive the tissue selective expression of the cp4 epsps gene resulting in CP4 EPSPS protein production in vegetative and female reproductive tissue, providing tolerance to glyphosate within these tissues. This specific promoter and intron combination also results in limited or no production of CP4 EPSPS protein in two key male reproductive tissues: pollen microspores which develop into pollen grains, and tapetum cells that supply nutrients to the pollen.

Thus, in MON 87427, male reproductive tissues critical for male gametophyte development are not tolerant to glyphosate. This allows glyphosate-treated MON 87427 containing inbred lines to serve as a female parent in the production of hybrid seed.
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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.
Cultivar: LH198 × HiII
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Characteristics of the modification process
PV-ZMAP1043
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  • Agrobacterium-mediated DNA transfer
Some of these genetic elements may be present as fragments or truncated forms. Please see notes below, where applicable.
The cp4 epsps coding sequence is the codon optimized coding sequence of the aroA gene from Agrobacterium sp. strain CP4 encoding CP4 EPSPS.

Southern blot analyses indicate that a single copy of the T-DNA was inserted at a single site in the maize genome and no plasmid vector backbone sequences were detected to have been integrated. DNA sequencing analyses indicated that the expected T-DNA sequences were integrated.
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LMO characteristics
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  • Food
  • Feed
Detection method(s)
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Additional Information
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