Genetically Modified Plant - PowerPoint PPT Presentation

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Title:

Genetically Modified Plant

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Title: PowerPoint Presentation Author: Wenun Last modified by: Wenun Created Date: 9/1/2004 3:15:45 AM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Transcript and Presenter's Notes

Title: Genetically Modified Plant


1
??????????????????????
??????????????????? Genetically Modified
Plant Transgenic plant ?????????????????????????
???????? ???? gene technology genetic
transformation
2
??????????? transgenic bacteria
???? ???????????????? ???????????????????????????
????????????? ?????????????????????????? ????????
??????????????????? (??????????-?????????)
3
??????????????? transgenic plant
???? ??????? ??? ???????????????????? ????????????
???? ??????????????????????????????????? ?????????
?????????? ??????????????????????? ?????????????
???????
4
Transformation ?????????????????????????????
??? ????????? ????????? ?????????? ???????
???????????? ????????????????????? ????????????
????????? ?????????????? ??????????????
?? ???????? ????????????????? ?????
??????????? ????????????????
???????????????? ????????? ??? ????
5
Transformation ?????????????????????????????
Position effect
????????? ?????????????????????? (vector
insert) ??????????????????? ??? ????????????????
????????????????? ?????????????????????????? ???
????????????????????????????????? ???????????????
???
6
Position effect
?????????????????????????
???????????????????????????? ????????????????????
?????????????? euchromatin / heterochromatin c
entromere-telomere / others Regulatory
sequence promoter enhancer / repressor
7
Position effect
?????????????????????????
???????????????????????????????? ????????????????
???????????????????? ????? regulatory
sequence ????? structural sequence
8
??????????????????????
?????????????? ????????????????????? ????
??????????? /- ???????????? regulatory
sequence regulatory sequence ?????????????????
?????????? ?????? ????????????
9
????????????????????????????
??????????????????? ???????????????????
?????????????????? ??????????????? ???????????????
?? ????????????? ?????????????????????????????????
? ???????????????????????????? (strong promoter)
????????????????????????????? (weak promoter)
10
Marker genes
????????????????????????????? ????
??????????? ??????????????????????????????????????
????????? ??????????? ?????????? ???
?????? ???????????????????????? (?? ????
???????????) ???????????????????????????????? (??
???????? ???? ?????? ???? ?????????????)
11
?????????????????????????????????
??????????? ?????? ?? (leaf disk) ????? ?????????
???????????? ?????? ???????????/??????
12
??????????????????????????????????
???????? ?????????? ???? ??????????
?????????? ????????????????? /-
??????????????????????? ??????????????????????????
????????? ??????????????
13
??????????????????????????????????
???????? ?????????????????????????????????? ????
?????????????????? ???????????????????? ??????
??????????????????
14
??????????????????????????????????
????????????????????????? (transformation) ??????
?????????? ?????????????? ???????????????? ?????
??? transformed cell/organ/plant ????????????????
??????????????
15
??????????????????????????????????
??????????????????? tissue culture/regeneration
totipotency hormone balance self
pollination ????????????????????? ??????????????
????????????????????
16
(No Transcript)
17
?????????????????????????????
??????????????????????? ??????????????
??? ?????????????????? ????????????????????
(????????????????)
???????????????? ????????? ????? ??????????????
????????
18
????????????????????????????????? Agrobacterium
Agrobacterium sp. A. tumefaciens crown gall
tumor A. rhizogenes hairy root disease
?????????????????????????????????????????? ???????
? ????? ??????????????????????????? ??????????????
??????????????? ??????????????????????????????????
??????
19
?????????????????????????????????
A. tumefaciens ?????????????? ?????????? ???????
????? ??????? ?????????????????????????????? T
umor-inducing plasmid ???? Ti plasmid
20
Crown gall tumor ????????????????????????????????
????? ??????????????? ????????????????????????
???
Crown Gall Tumor
21
Ti plasmid ????????????????????????????? ???????
???????? right border / left border Transferre
d DNA / T-DNA
22
(No Transcript)
23
T-DNA ???????????????????????????????????? ????
?? ??? ????????? ????????????????????????????????
?????? ????????????????? ?????????????????????
?? T-DNA genes ????????????????????????????????
24
(No Transcript)
25
????????????????????????
??????????????????????????????????? ??????????????
?????????? T-DNA T-DNA genes ??????????????? ?????
?????????????????? -- ?????? ?????????????????????
? -- ????? C N ??????????????????????????????
26
?????????????????????????????????
Agrobacterium tumefaciens disarmed
plasmid ??????????????????????????????????????????
??????? left border right border ?????????????
???????????
???? ???????????????????????????????????????? ???
??????
27
??????????????????????????????????
??????????????????????????????????? ????????
?????????? ???? ?????????? ?????????? ????????????
??????? ????????????????????? ????????????????????
??????????????
28
(No Transcript)
29
(No Transcript)
30
?????????????????????????????????
?????????????? (protoplast) polyethylene
glycol calcium chloride ???????????????? electro
poration (protoplast) microinjection
(protoplast) particle bombardment
(tissue) gold / tungsten particle
31
Electroporation
32
Microinjection
Particle bombardment
33
Particle bombardment
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