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DNA ® mRNA ® Protein(효소) ® 생리현상

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Presentation on theme: "DNA ® mRNA ® Protein(효소) ® 생리현상"— Presentation transcript:

1 DNA ® mRNA ® Protein(효소) ® 생리현상
Gene expression DNA ® mRNA ® Protein(효소) ® 생리현상 복사 전사 Transcription Translation (복제 : Replication)

2 유전정보의 전달

3 효소의 작용

4

5 Double Helix of DNA

6 DNA ® mRNA ® Protein(효소) ® 생리현상
Gene expression DNA ® mRNA ® Protein(효소) ® 생리현상 Recombinant DNA Tumer Inducing Plasmids (A) + DNA (cell) Gene Isolation (A) Recombinant DNA (A) (cell) Organism (A)

7 • Ethylene Deficient Mutant
Normal EDM EDM+ Ethylene • Ethylene 합성 저해제 - 화훼노화억제 - AVG (Aminoethoxyvinylglycine) - AOA (Aminooxyacetic acid) - STS (Silverthiosulfate)

8 (Menifulation of Genes) (Generation of Organisms)
Molecular Biology (Menifulation of Genes) Biotechnology (생 물 공 학) Tissue Culture (Generation of Organisms)

9 유전공학의 이용 · 미생물 : 화학물질생산 (의약품) 환경정화, 식품가공 · 식 물 : 대량증식
· 미생물 : 화학물질생산 (의약품) 환경정화, 식품가공 · 식 물 : 대량증식 무병식물생산, 화학물질생산(기내물질생산) 형질전환(제초제저항성, 내병성, 내충성 , 화학물질생산, 생산성 증대) · 동 물 : 인공수정, 체외수정 조직재생산, 복제동물생산 인공기관(장기)생산

10 Physiological Response
Growth Hormones Physiological Response DNA ® RNA ® Protein(효소) ® Hormones Regulators

11 생장Hormone (Plant Hormone)
An organic compound synthesized at one plant part and translocated to anther part, where in very low concentrations it causes significant physiological response. Auxin, Gibberellin, Cytokinin ABA(Abscisic Acid), Ethylene 생장조절물질 (Plant Growth Regulator) Physiologically active compound, including Growth Hormones  Synthetic Compounds.

12 Auxin의 생리작용 1.Tropism Phototropism : 지상부 Geotropism : 지하부 2. 세포분열, 발근 촉진 조직배양(분열+근 분화) 루톤 : 부정근(Adventitious Root)발생촉진 3. 정아 우세 현상 하부 액아에 축적→생육억제 4. 이층형성 억제 (ABA와 길항) 낙엽, 낙과억제 5. 개화유도 Pineapple - NAA 10-50ppm (제초제ㅡHerbicide)

13 T. Yabuta and T. Hayashi (1930)
Gibberelin(GA3) T. Yabuta and T. Hayashi (1930)

14 Growth Regulator의 이용 제초제 생육촉진 생육억제 착(낙)과 조절 성숙조절 (대사조절 , 생산성 증대)


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