Title:
【発明の名称】作物植物での異系交雑および望ましくない遺伝子拡散を制限するための方法および遺伝子組成物
Document Type and Number:
Japanese Patent JP2002533089
Kind Code:
A
Abstract:
The present invention relates to methods to control the spread of recombinant DNA molecules between sexually compatible plants of differing genetic composition. The invention describes the production of transgenic plants that comprise recombinant traits of interest or concern linked to repressible lethal genes. The lethal genes are blocked by the action of repressor molecules produced by the expression of repressor genes located at a different genetic locus. The lethal phenotype is only expressed after the segregation of the repressible lethal gene construct and the repressor gene following meiosis. The present invention may be employed for both open-pollinated and hybrid seed production systems and may be used to maintain genetic purity by blocking unintended introgression of genes from plants devoid of the specific repressor gene. The invention includes methods that impart traits that are desirable for environmentally responsible heterologous protein production, to genetic material used to impart said traits and to new plants and products derived by said methods.
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Inventors:
S. F. Fabiansky
P. G. Arnison
Laurian, robert
Johan, Shah Tanner
P. G. Arnison
Laurian, robert
Johan, Shah Tanner
Application Number:
JP2000589714A
Publication Date:
October 08, 2002
Filing Date:
December 22, 1999
Export Citation:
Assignee:
Dow Agro Sciences LRC
International Classes:
A01H5/00; C12N5/10; C12N15/09; C12N15/31; C12N15/82; C12N15/84; (IPC1-7): A01H5/00; C12N5/10; C12N15/09
Domestic Patent References:
| JPH06501380A | 1994-02-17 | |||
| JPH05502378A | 1993-04-28 |
Foreign References:
| WO1996004393A2 | 1996-02-15 |
Attorney, Agent or Firm:
Kenji Yoshitake (3 others)