학술/공연/행사

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◈ 주 제 : Fine mapping of suppressor of the fruit shape gene OVATE  using SNP markers in tomato
◈ 연 사 : 김현정 연구원
◈ 소 속 : 안동대학교
◈ 일 시 : 2014년 10월 1일(수) 오후 3시
◈ 장 소 : 영남대학교 생명공학관 333호

The fruit shape is an important character in tomato. OVATE is one of genes controlling fruit elongation in tomato. Two loci suppress the ovate mutation, sov1 and sov2, on chromosome 10 and chromosome 11 respectively. sov1 appears to control neck constriction in the fruits (Rodriguez et al, 2013). We  sequenced the genomes of Gold Ball Livingston and Yellow Pear using the Illumina Hiseq 2000 generating 101 PE reads and developed molecular markers tightly linked to sov1.  The locus was confirmed by fruit shape index analysis, marker genotyping and progeny testing of recombinants. We find mapped sov1 to a 145 kb interval corresponding to a region comprising two candidate genes. One of the candidate genes for sov1 is SlOFP20 another member of the Ovate Family Protein class. Although there is no difference expression of SlOFP20 in the parents at anthesis, when the gene is expressed very high, the mutation appears to be a 34 kb promoter deletion of SlOFP20 in Yellow Pear, conferring a pear shaped and neck-constricted  fruit.

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