Chan:Research: Difference between revisions
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'''3) Engineering centromeres to produce haploid plants'''<br> | '''3) Engineering centromeres to produce haploid plants'''<br> | ||
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Haploid plants that are converted back into diploids can greatly [http://www.formula1.com/ accelerate] plant breeding. Such “doubled haploids” produce instant homozygous lines from heterozygous F1s, a process that normally takes 8-10 generations of inbreeding. We have discovered a simple method for producing haploid plants through seed by manipulating CENH3. When Arabidopsis plants expressing altered CENH3 proteins are crossed to wild type, chromosomes from the mutant parent are eliminated, yielding haploid progeny. Haploids are easily converted to diploids, so Arabidopsis geneticists can produce large populations of plants with chromosomes from only one parent.<br> | Haploid plants that are converted back into diploids can greatly [http://www.formula1.com/ accelerate] plant breeding. Such “doubled haploids” produce instant homozygous lines from heterozygous F1s, a process that normally takes 8-10 generations of inbreeding. We have discovered a simple method for producing haploid plants through seed by manipulating CENH3. When Arabidopsis plants expressing altered CENH3 proteins are crossed to wild type, chromosomes from the mutant parent are eliminated, yielding haploid progeny. Haploids are easily converted to diploids, so Arabidopsis geneticists can produce large populations of plants with chromosomes from only one parent. We have written a detailed protocol that describes how to produce Arabidopsis haploid plants, available by clicking this link [[Image:haploid_Arabidopsis_protocol.pdf]]<br> | ||
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Our method has key advantages over current procedures that often require tissue culture and are limited to specific species or genotypes. As CENH3 is found in all eukaryotes, the procedure should theoretically work in any plant species. To learn more about our technology, please see this [http://techtransfer.universityofcalifornia.edu/NCD/19877.html website].<br> | Our method has key advantages over current procedures that often require tissue culture and are limited to specific species or genotypes. As CENH3 is found in all eukaryotes, the procedure should theoretically work in any plant species. To learn more about our technology, please see this [http://techtransfer.universityofcalifornia.edu/NCD/19877.html website].<br> |
Revision as of 15:37, 27 January 2011
Chan Lab
Department of Plant Biology at UC Davis
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Centromeres: Controllers of Inheritance
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