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AssigneeHenan Sesame Research Center, Henan Academy of Agricultural Sciences
InventorsHaiyang Zhang, Hongmei Miao, Ming Ju, Qin Ma, Hengchun Cao, Zhanyou Zhang, Guiting Li, Yinghui Duan, Cong Mu, Qiuzhen Tian, Huili Wang, Lingling Qin, Yingying Huang
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A sesame shattering resistance trait regulation gene Sihec3 and its application are provided. This gene is located on the third chromosome of sesame, is a recessive control gene, and fully explains the phenotypic variation of the shattering resistance trait. Genetic analysis of the shattering trait was conducted with F2 and F2:3 populations derived from a hybrid combination between a shattering resistance mutant M7 and normal shattering material. The research indicates that the seed shattering resistance trait in the tested population is a recessive trait controlled by a single gene. Based on the self-constructed sesame genome fine map and efficient gene mapping technology, the key gene Sihec3 and its allele SiHEC3 regulating the sesame shattering trait were cloned and compared. A corresponding gene marker named SSR1 for the sesame shattering resistance trait was dig. This invention provides a technical foundation for breeding new sesame varieties with shattering resistance trait.
A Sesamum indicum plant or plant part comprising a mutation within an endogenous HECATE 3 gene (Sihec3 gene) that confers a sesame seed shattering resistance trait onto the plant or plant part;
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