Title: DNA technology
1DNA technology
?? ??? 20000106 ???
2DNA? ???? ???
DNA? ?? ???? ?? ??????? ??? ??? ????? ??? ?? ???
???? ??. ??? ??? ??? ???? ??? ??? ?? ????? ?? ??
???? ???? ??? ????. ???????? ?????? ? ???, DNA?
??? ? ???? ? ??? ??? ? ??? ?? ??? ??????? ????
????? ???. ??? ?? ??? ??? DNA ??? ???? ???? ????
????? ??? ?? ???? DNA ??? ????? ???? ??? ??? ??
?????? ?? ????? ???. ??? ???? DNA ?? ??? ?? ???
?? ???? ??? ??? ??? ????. ?? ??? ???? ?? 2,400???
??????, ? ?? ??? ??? ?? ? ???? 1? ?? 1??? ????.
??? ???? ??? ?? ??? ???? ??? ????. ??? ??? 20? ?
??? ???? ???? ???? ???. ?? ??? ??? ??? ?? 30? ?
?? ???. ??? '?? ???? ??? ???? ??? ??? ??? ? ???
???? ??? ? ?????'?? ?? ?? ?????? ????. ?? ????
???? DNA? ???? ??? ?? ???? ??? ?? ??? ??? ???
????? ?? ??. ???? ?? ???? DNA? ???, ??? ????
????? ? ??? ???? ??? ??? ???? ????. DNA? ?????
????? ???.
3DNA? ????
- ?? ????(Double helix)??.
- 4?? ??(A,T,G,C),?? ? ?(Deoxyribose)?? ??
- A? G? purine ????, c? T? Pyrimidine ????.
- A? T? ???? ???, G? C? ??????? ??.
- Sugar-phosphate backbone? DNA??? ????, ???? ???
????. - ??? ??? DNA? ???(nrgative charged)? ??.
- Nucleotide? DNA??? ?????
- Nucleotide.
- DNA? ? 3,5-Phosphodister ???? ?????? ???? ???
??. - ??? DNA? ?? ???? ??? ??.
- DNA? ????(DNA sequence)? ???? ??? ???.
- ? ?? ???? ? ?? ???? ???? ??? ??? ??
4???? DNA ??
5????? ??
6DNA? ???? ??lt1gt
DNA? ??? ????(Restriction enzyme)? ?? ?
????(Electrophoresis)? ??.
7Restriction Enzyme
- ??? ???? ???? DNA? ???? ??? ???? ??? ??. ?? ??
DNA? ???? ??? ????(Restriction Enzyme)? ??. - ????? ?? ??? DNA? ???? ?? ???? ????? ??? ? ??? ??
DNA? ??? ????? ???? ?????? ??? ????. ? ? ????
??? DNA? ????? ???? ??? DNA?? ???? ?????
???(Methylation)????. - ????? ?? ????? ???? ??? DNA?? ????.
- ????? ??? ??? ???? ??? ?? ? ??? ???? ????, ???? ?
??? ???? ???? ????. - ????? ?? ??? ??? ?? DNA?? 4? ??? ??? ??? ?????
????. HindIII , KpnI? ?? ????? DNA? ???? ????
DNA? 5?? ?? 3??? ?? ??? ??? ??? ?? ??? ??
????(cohesive?? sticky end)? ??. - SmaI??? ?? ??? ??? ??? ??? ????? ?? ???
????(blunt end)? ??.
8Restriction Enzyme ???
9Restriction Mapping
?? ????? ?? ???? ??? ??? ?? ?? ??? ??? ???? ???
?? ?? ?? ??? ??? ? ? ?? ? ??. ??? ????
Restriction Map??.
10????? ??? ??? ????
Plasmid? ???? ??? ????? ?? ??? DNA? ??
???(E.coly)? ???. ??? plasmid? copy number? ???
??? DNA? ????.
??? plasmid? ??? ??? ???? ?? ????? ??? ??.(??? ??
sticky end? ?? ?? ??.)
11Plasmid
- Plasmid? ????? ????? ???? ??? ??? DNA??.
- ????(Origin of replication)? ??? ?? ????? ? ? ??.
- ??? ??? ???? ??? ?? ??? ????? ??? ???? ????.
- ? ? ?? ? ??? ???? ??? ??
12????? ??? ??? ????
Phage? head? ?? DNA? ??? ???? ??? ?? ??? ????
?? ??? ?????.(?? ??? ???)
13T2 ?? T4? ?? ?? ?? (virulent phage)? ??? ???
(lytic cycle)
Vacteriophage? ?? ??(virulent phage)? ??? ??
(temperate phage)? ????. ?? ??? ???? ??? ????
25-30? ??? ???? ?? ??? ? ???? ?? ???? ??? ???
(lytic cylcle)? ???.
14? phage? ?? ??? ??? ???
??? ??? ??? ???? ??? (lytic cycle) ?? ??? ???
(lysogenic cycle)? ??? ? ??. ??? ????? ???
DNA? ????? ???? ???? ?????? ?? ???? ??? ?? ?? ??
???. ? ??? ??? ??? ?? ? ?? ??? ??? ?? ??? ????
??? ??. ? ? ??? ??? ??? ?? ?? ??? ???? ?? ??? ??.
??? ???? ???? ??
15Vacteriophage
- ???????? ????? ???? ???? ????(virus)??.
- ????? DNA ?? RNA? ??? ???, ????? ??? ???(capsid
protein or coat protein)? ???? ??. - ?? ???? DNA??? ?? ??? ??? ????? ?? ?? ??.
- ??? ?? Haid-and tail phage? Filamentous phage?
???.
16DNA? ???? ??lt2gt
Southern blotting
17Southern blotting? ??
- ?? ???? 1975? ??(Southern)? ??? ??? ??? ??????
??? ??? ?????. ??? ???? ????? ???? ?? ??? DNA???
???. ??? ??? ?????? ??? ??? ?? ????.?? ?? ??
DNA? ???? ????, ?? ?? ?? ??? ???? ???? ?? DNA???
?? ??.??? ???? ????? ??? ???? ??? ?? ??? ????
????. ???? ?? ??? ??? ?? ? 300?? ??? ?? ??? ? ???
??? ? ??? ??? ????? ?? ??? ?? ???. ??? ??? ??
DNA? ?? ?? ???? ??? ??? ??? ??? ?? DNA? ???? ????
??? ?? DNA? ??? ??? ???? ??? ???? DNA-DNA ?????
??? ???? ??? DNA??? ??? ??? ? ??.?? ???? ???? ??
???? ????? ???(RFLP)? ???? ?? ?????. RFLP?
???DNA? ????? ?????, ??? ??? ??? ???? ????? ???
??? ??? ?????.
18cDNA synthesis
DNA? ???? ? ???? ???? ??, ? ???? ????? ?? ???
mRNA? ????. ??? ??? DNA? '???'?? ??? ???? ???
???? ???, mRNA? ???? ???? ?? ??? ???? ???? ???
????? ???? ??(?????)? ??? ??? ???? ??? ?????? ??.
??? ?? ??? mRNA? ??? ??? DNA? ????(???) ???? ???
????, ??? ? ??? ???? ???? ??? ?? ??? DNA? ??? ?
?? ??. ??? ?? ??? ?? cDNA ????. cDNA? ??? ?????
???? DNA?? ????? ???? ???.
?? ??? DNA? ?? ?? ???? ? ? ??.
?????, ?? ??? ????? 1/501/100? ????? ??.??
mRNA? ?? ??? DNA? ????? ???? ???? ?? DNA? ????
??? ??? ? ?? ??.
19Gene Library
20Polymerase chain reaction(PCR)
- DNA??? ???(Denatuation Step)? ??? DNA? ? ????
?? ???. - Primer? Annealing(Annealing Step)? ??? ?? ?? ?
?? ?? DNA? primer? annealing???. - Polymerase? ?? DNA?? ??(Extension step) DNA
polymerase? ?? ?? DNA? ???? DNA? ?? ???. - ?? ? ??? ???? ?????? in vitro ?? DNA? ???? ????
?? ???? DNA? ? ?? ?? ??? 1000000?? ?? ? ? ??. ?,
???? DNA??? ?? ??? ?? ??? ?? ? ?? ??? ???? ??
DNA??? ??? ?? ??? ??? ??? ??.
21PCR ??? ???
22PCR ??? ??
23PCR? ???? ?
- HBV DNA PCR Hepatitis B virus? ????? ????
????(core region)?? ???? ?? primer? ??
thermostable DNA polymerase, dNPT, MgCl2 ?
reaction buffer? ???? PCR? ????. (HBV??? ?? ??
??? ????. ) - Hepatitis C Virus RT- PCR HCV RNA PCR? ??? HCV
strain?? ???? ?? ?? 5-untranslated region(UTR)?
?? ?? HCV RNA Virus? ?? ??? ?? ? ? ??. (C? ???
???? ? 50?? ?????? ??? ? ??? ?? ???? ?????? ???
? ??. HCV RT-PCR? C? Virus? ??? ?????? ?? ?????
?? ??? ???? ??? ?? ? ? ?? ????.) - Chlamydia PCR Chlamydia trachomatis? major
outer membrane protein(MOMP)? ????? ????? ????. - CMV PCR Herpesvirideae?? ds DNA virus? CMV?
????? ?? ??.
24????
- Essential cell biology
- Biochemistry
- Gene cloning
- Web site
- Etc.
- ??? ?? ?? ? ???? ????? ?? ??