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AssigneeKws Saat AG
InventorsAndreas HOUBEN, Raheleh Karimi-Ashiyani, Takayoshi Ishii, Nils Stein, Jochen Kumlehm, Christof Bolduan, Frank Breuer, Monika Kloiber-Maitz, Markus Niessen, Milena Ouzunova, Britta Schulz, Silke Wieckhorst
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The present invention relates to non-transgenic and transgenic plants, preferably crop plants, comprising a mutation causing an alteration of the amino acid sequence in the CATD domain of the centromere histone H3 (CENH3), preferably within the loop1 or the α2-helix of the CATD domain, which have the biological activity of a haploid inducer. Further, the present invention provides methods of generating the plants of the present invention and haploid and double haploid plants obtainable by crossing the plants of the present invention with wildtype plants as well as methods of facilitating cytoplasm exchange.
A plant having biological activity of a haploid inducer and comprising a nucleotide sequence encoding a centromer histone H3 (CENH3) protein comprising a CATD domain, wherein the nucleotide sequence comprises a mutation causing in the CATD domain an alteration of the amino acid sequence of the CENH3 protein, wherein said alteration confers the biological activity of a haploid inducer.
A nucleotide sequence encoding at least the CATD domain of a CENH3 protein comprising a mutation causing in the CATD domain an alteration of the amino acid sequence of the CENH3 protein.
Dependencies are inferred from the claim text.