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1. WO2003017753 - REVERSE BREEDING

Publication Number WO/2003/017753
Publication Date 06.03.2003
International Application No. PCT/EP2002/009526
International Filing Date 23.08.2002
Chapter 2 Demand Filed 11.03.2003
IPC
A01H 1/00 2006.01
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
HNEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
1Processes for modifying genotypes
C12N 15/82 2006.01
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells
CPC
A01H 1/00
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
HNEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
1Processes for modifying genotypes
A01H 5/10
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
HNEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
5Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
10Seeds
C12N 15/01
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
01Preparation of mutants without inserting foreign genetic material therein; Screening processes therefor
C12N 15/8218
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells ; , e.g. plant artificial chromosomes (PACs)
8216Methods for controlling, regulating or enhancing expression of transgenes in plant cells
8218Antisense, co-suppression, viral induced gene silencing [VIGS], post-transcriptional induced gene silencing [PTGS]
Applicants
  • RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V. [NL]/[NL] (AllExceptUS)
  • DIRKS, Robert, Helene, Ghislain [BE]/[NL] (UsOnly)
  • VAN DUN, Cornelis, Maria, Petrus [NL]/[NL] (UsOnly)
  • REININK, Kornelius [NL]/[NL] (UsOnly)
Inventors
  • DIRKS, Robert, Helene, Ghislain
  • VAN DUN, Cornelis, Maria, Petrus
  • REININK, Kornelius
Agents
  • VAN SOMEREN, Petronella, Francisca, Maria
Priority Data
01203193.623.08.2001EP
02075582.312.02.2002EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) REVERSE BREEDING
(FR) AMELIORATION GENETIQUE INVERSE
Abstract
(EN)
The present invention relates to a method for efficiently producing homozygous organisms from a heterozygous non-human starting organism, comprising providing of a heterozygous starting organism; allowing the starting organism to produce haploid cells; creating homozygous organisms from the haploid cells thus obtained; and selecting the organisms having the desired set of chromosomes; wherein during production of the haploid cells no recombination occurs in order to obtain a limited number of genetically different haploid cells. Recombination can also be prevented or suppressed.
(FR)
L'invention concerne une méthode efficace de fabrication d'organismes homozygotes à partir d'un organisme de départ non humain hétérozygote. Cette méthode consiste à fournir un organisme de départ hétérozygote, à permettre à cet organisme de départ de fabriquer des cellules haploïdes, à créer des organismes homozygotes à partir des cellules haploïdes ainsi obtenues, et à sélectionner les organismes présentant l'ensemble désiré de chromosomes. Au cours de la fabrication de cellules haploïdes, aucune recombinaison ne peut se produire afin d'obtenir un nombre limité de cellules haploïdes génétiquement différentes. La recombinaison peut également être évitée ou supprimée.
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