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Sorghum plants having a mutant polynucleotide encoding the large subunit of mutated acetohydroxyacid synthase protein and increased resistance to herbicides
Sorghum plants having a mutant polynucleotide encoding the large subunit of mutated acetohydroxyacid synthase protein and increased resistance to herbicides
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机译:高粱植物,具有编码突变的乙酰羟酸合酶蛋白大亚基的突变多核苷酸,对除草剂的抗性增强
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摘要
A sorghum seed comprising in its genome at least one polynucleotide encoding a polypeptide having an alanine to threonine substitution at position 93 of the sorghum AHAS protein large subunit. The plant has increased resistance to one or more herbicides, for example from the imidazolinone group, as compared to wild-type sorghum plants. The sorghum plant may comprise in its genome, one, two, three or more copies of a polynucleotide encoding a mutated large subunit of sorghum AHAS or a sorghum AHAS polypeptide of the invention. In this context, the sorghum plant may be tolerant to any herbicide capable of inhibiting AHAS enzyme activity. For example, the sorghum plant may be tolerant to herbicides of the imidazolinones type, such as imazethapyr, imazapir, and imazapic or to herbicides of the sulfonylurea group.
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