Chemistry: molecular biology and microbiology – Treatment of micro-organisms or enzymes with electrical or... – Modification of viruses
Patent
1993-03-22
1995-06-20
Benzion, Gary
Chemistry: molecular biology and microbiology
Treatment of micro-organisms or enzymes with electrical or...
Modification of viruses
47 58, 47DIG1, 800205, 935 35, 935 59, A01H 100, C12N 1500
Patent
active
054260418
ABSTRACT:
The invention relates to a method for the preparation of a seed of a plant comprising crossing a male sterile plant and a second plant which is male fertile, and obtaining seed of said male sterile plant, said male sterile plant and said second plant being selected such that said seed has integrated into its genome a first recombinant DNA molecule having a first DNA sequence which encodes a first gene product and a first promoter which is capable of regulating the expression of said first DNA sequence, and a second recombinant DNA molecule which contains a second DNA sequence which encodes a second gene product and a second promoter which is capable of regulating the expression of said second DNA sequence, one of said first and said second recombinant DNA molecules originating from said male sterile plant and the other of said first and second recombinant molecules originating from said second plant, and said first and second gene products cooperating to selectively interfere with the function and/or development of cells of a plant that are critical to pollen formation and/or function of a plant grown from said seed whereby said plant grown from said seed is substantially male sterile. The invention also relates to a method of producing F1 hybrid seed from a plant regenerated from such seed, a method of producing F2 hybrid seed using plants regenerated from the F1 hybrid seed, the products produced from these methods and their use.
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Arinson Paul G.
Fabijanski Steven F.
Benzion Gary
Pioneer Hi-Bred International , Inc.
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