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동의어 포함
Title Page
Contents
ABSTRACT 8
I. Introduction 10
II. Materials and Method 14
1. Plant materials 14
2. Vector construction and detection 14
3. Agroinfiltration and detection 15
4. Detection of the GFP and EPO by western blot analysis 16
5. Protein purification in potato leaf 17
III. Results and Discussion 19
1. GFP gene expression using Agrobacterium-mediated transient system in plant and transient system optimization 19
A. GFP gene expression in N.benthamiana 19
B. GFP gene expression by transient system in Potato (Solanum tuberosum l. cv Desiree) 29
2. EPO gene expression and overexpression using Agrobacterium-mediated transient system in plant 31
A. EPO gene expression in N.benthamiana 31
B. EPO expression in potato(Solanum tuberosum l. cv Desiree) using Agrobacterium-mediated transient system 36
IV. Conclusion 43
V. Reference 45
논문요약(국문) 53
Fig. 1. Schematic representation of the T-DNA binary vectors used in this study. (A) The TEV::GFP was used for transient GFP expression. e35S pro: double CaMV 35S promoter, NPTII: neomycin phosphotransferase gene, 35s ter: CaMV 35s gene terminator, TEV: tobacco etch virus translational enhancer,... 21
Fig. 2. Analysis of GFP expression level in leaves infiltrated with A. tumefaciens harboring TEV::GFP (pCambia2300) and pMBPsmGFP and pMBP vector. (A) Leaves were observed under a microscope equipped with white light (○) at 5 days post infiltration (dpi) and under a UV light at 2, 3, or 5 dpi. (B) Western...(이미지참조) 23
Fig. 3. GFP expression level comparison by agroinfiltration number of times. (A) GFP expression level of agroinfiltration number of times under the UV light. From the upper lefth and corner. ; 1. N.C: Infiltrated of infiltration buffer ; 2. TEV::GFP 1-2times infiltration ; 3. TEV::GFP 3times infiltration ; 4. TEV::GFP... 25
Fig. 4. GFP expression according to the density of the Agrobacterium suspension used for infiltration. Western blot analysis results of GFP expression level by agrobacterium concentration(OD600) in 5d.p.i N.benthamiana leaf sample. TSP: 25ug. Red arrow was showed the 27kDa GFP protein band. N: Infiltrated...(이미지참조) 26
Fig. 5. GFP expression level with CMV2b suppressor using agroinfiltration in 5 days post infiltration N.benthamiana leaf. (A) SDS-PAGE analysis results of GFP expression level with CMV2b suppressor. ; (B) GFP expression level comparison graph of infiltration number of times with CMV2b suppressor based... 28
Fig. 6. Western Blot analysis results of GFP expression in Potato leaf using agroinfiltration. (A) The sample were used 3 dayspost Agroinfiltration. TSP: 100ug.. anti-GFP antibody 1:1000 ; (B) GFP expression comparison of Potato species. Desiree : Solanum tuberosum, N.C: Infiltration buffer. 2 and 4 samples... 30
Fig. 7. pEarleyGate vector map. (A) (Earley et al. 2006). pEarleyGateVector backbone. (B) pEarleyGate101EPO, pEarleyGate103EPO, pEarleyGate205EPO map. 33
Fig. 8. YFP Protein localization of EPO using pEarleyGate101EPO by confocal microscope. WT: negative control. non-transgenic N.benthamiana.; pMBP: pMBP vector. ; EPO: pEarleyGate101EPO. 5 day post-infiltration leaf. ; the upper-right-hand corner: only epidermal cell well. ; the lower-left-hand corner: YFP... 34
Fig. 9. EPO expression level comparison with suppressor using agroinfiltration in N.benthamiana leaf. (A) SDS-PAGE analysis results of GFP and EPO expression in 5days post-infiltration N.benthamiana leaf with CMV2b suppressor. N: negative control, infiltration buffer. T.G: TEV::GFP. 103E:... 38
Fig. 10. SDS-PAGE analysis of EPO and GFP TSP were extracted using TCA-Acetone method. Red arrow were the predicted truncated GFP protein and EPO protein. Peptide sequencing results, these bands were not target protein. 41
Fig. 11. EPO expression using Agrobacterium-mediated transient system in 3dpi potato leaf. After EPO-GFP-6x his fusion protein purification, the membrane was subjected to immunoblotting analysis with primary anti-EPO antibody and primary anti-GFP antibody for each membrane. The each results, EPO-GFP... 42
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