KR101355922B1 - 벼의 형질전환 방법 - Google Patents
벼의 형질전환 방법 Download PDFInfo
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- KR101355922B1 KR101355922B1 KR1020110113255A KR20110113255A KR101355922B1 KR 101355922 B1 KR101355922 B1 KR 101355922B1 KR 1020110113255 A KR1020110113255 A KR 1020110113255A KR 20110113255 A KR20110113255 A KR 20110113255A KR 101355922 B1 KR101355922 B1 KR 101355922B1
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Abstract
Description
도 2는 형질전환된 인디카 벼 소식물체에서 얻은 DNA로 PCR을 수행하고 전기영동 한 결과이다.
도 3은 톡소플라빈이 함유된 배지에서 선발된 인디카 벼 형질전환체(IR64)의 잎 절편으로부터 게놈 DNA를 분리하여 전기영동으로 확인한 결과이다.
도 4은 형질전환된 인디카 벼 소식물체에서 얻은 DNA로 서던블럿을 수행한 결과이다.
tflA 유전자를 발현하는 식물 발현 벡터는 pTflA 벡터(Serry Koh et al., Plant Biotechnology Journal, 9:348-358(2011))를 이용하였다. pTflA 벡터의 제조과정은 다음과 같다. pCAMBIA1304 벡터(CAMBIA GPO Box3200)에 XhoⅠ제한효소 처리하여 하이그로마이신 저항성 유전자를 제거한 후, 인디카 벼의 톡소플라빈 유전자(tflA) 서열을 기반으로 인디카 벼의 cDNA로부터 PCR 합성하여 서열을 확인한 후 이를 CaMV 35S 프로모터에 정방향으로 결합시켜 제조하였다. 인디카 벼의 톡소플라빈 유전자(tflA)의 cDNA 증폭에 사용된 프라이머는 다음과 같다:
정방향 프라이머: 5’-atgacttcgattaaacagctt-3’
이 때, tflA를 코딩하는 유전자인 tflA는 XhoⅠ 제한효소부위를 이용하여 결합하였는데, 제한효소부위를 도입하는 방법은 다음의 중합효소연쇄반응(polymerase chain reaction, PCR) 방법에 의해 수행하였다. 먼저, CaMV35S 프로모터와 CaMV35S 폴리A 사이에 발현되도록 상기 정방향 프라이머 및 역방향 프라이머의 말단 부위에 인위적으로 5' 말단과 3' 말단의 XhoⅠ제한효소부위를 첨가하였다. 제조된 프라이머로 PCR을 수행하여 클로닝에 이용될 벡터에 도입될 수 있게 tflA 유전자를 증폭시켰다. 이때, PCR은 전반응(precycling reaction)으로 94℃에서 5분간 변성시킨 다음, 94℃에서 30초, 60℃에서 30초 및 72℃에서 45초의 순서로 30회 반응을 반복한 후, 마지막 반응에서 72℃에서 10분간 반응시킴으로서 PCR 반응을 종료시켰다. 상기와 같이 제조된 pTflA 벡터를 아그로박테리움 투메파시엔스 EHA10(Agrobacterium tumefaciens EHA105)로 도입하고 인디카 벼의 형질전환에 사용하였다.
| 성분 | 최종농도 |
| 수크로스 | 30 g/L |
| 카사미노산 | 300 ㎎/L |
| 프롤린 | 2.878 ㎎/L |
| CHU(sigma c1416) | 3.981 g/L |
| N6-비타민 | 1 ㎖/L |
| 2,4-D (2 ㎎/㎖) | 1 ㎖/L |
| pH : 5.8 | |
| 젤란검 | 2 g/L |
| 성분 | 최종농도 | |
| 소듐클로라이드 | 15 g/L | |
| 트립톤 | 10 g/L | |
| 효모추출물 | 5 g/L | |
| 아가 | 15 g/L | |
| 멸균 | ||
| 카나마이신 | 1 ㎖/L | |
| 성분 | 최종 농도 |
| AA salts Macro 10X | 1X |
| AA salts Macro 1000X | 1X |
| AA Iron 100X | 1X |
| L- 글루타민 | 876 mg/L |
| 아스파트산 | 266 mg/L |
| 아르기닌 | 174 mg/L |
| 글리신 1000X 용액 | 7.5 mg/L |
| B5 비타민 | 1X |
| 카사미노산 | 500 mg/L |
| 수크로스 | 20 g/L |
| D+-글루코스-모노하이드레이트 | 10 g/L |
| PH 5.2 | |
| 아세토시린곤(2M) | 0.1 mM |
| 성분 | 10배 농도 |
| CaCl2,2H2O | 1499.6 mg/L |
| MgSO4,7H2O | 2489 mg/L |
| NaH2PO4,2H2O | 1700 mg/L |
| KCl | 29.5 g/L |
| 성분 | 1000배 농도 |
| CoCl2,6H2O | 25 mg/L |
| CuSO4,5H2O | 25 mg/L |
| H3BO3 | 3000 mg/L |
| KI | 750 mg/L |
| MnSO4,H2O | 10000 mg/L |
| Na2MoO4,2H2O | 250 mg/L |
| 성분 | 100배 농도 |
| FeNaEDTA | 3670 mg/L |
| 성분 | 1000배 농도 |
| 글리신 | 7500 mg/L |
| 성분 | 최종농도 | 배지 1 L당 첨가량 | 단위 |
| N6 major-1 | 20 | ㎖ | |
| N6 major-2 | 10 | ㎖ | |
| N6 major-3 | 10 | ㎖ | |
| N6 major-4 | 10 | ㎖ | |
| B5 minor-1 | 10 | ㎖ | |
| B5 minor-2 | 10 | ㎖ | |
| B5 minor-3 | 10 | ㎖ | |
| B5 minor-4 | 10 | ㎖ | |
| B5 비타민 | 5 | ㎖ | |
| 카사미노산 | 500 mg/L | 0.5 | g |
| L-프롤린 | 500 mg/L | 0.5 | g |
| 수크로스 | 20 g/L | 20 | g |
| 글루코스 | 10 g/L | 10 | g |
| PH 5.2 | |||
| 아가로오스 타입 I | 5.5 g/L | 5.5 | g |
| 멸균 15분 | |||
| 2,4-D(1mg/㎖) | 2 mg/L | 2 | ㎖ |
| NAA(1mg/㎖) | 1 mg/L | 1 | ㎖ |
| BA(1mg/㎖) | 1 mg/L | 1 | ㎖ |
| 0.1M 아세토시린곤 | 0.1 mM/L | 1 | ㎖ |
| 용액명 | 성분 | 최종농도 |
| N6 major-1 | KNO3 | 141.5 g/L |
| N6 major-2 | MgSO4.7H2O | 18.5 g/L |
| (NH4)2SO4 | 46.5 g/L | |
| N6 major-3 | KH2PO4 | 40 g/L |
| N6 major-4 | CaCl2.2H2O | 16.6 g/L |
| B5 minor-1 | FeSO4.7H2O | 2.78 g/L |
| Na2EDTA | 3.73 g/L | |
| B5 minor-2 | MnSO4.4H2O | 1 g/L |
| ZnSO4.7H2O | 0.2 g/L | |
| H3BO3 | 0.3 g/L | |
| B5 minor-3 | KI | 0.075 g/L |
| B5 minor-4 | CuSO4.5H2O | 0.0025 g/L |
| Na2MoO4.2H2O | 0.025g/L | |
| CoCl2.6H2O | 0.0025g/L | |
| B5 비타민 | 티아민 | 200 mg/100 ㎖ |
| 피리독신 | 20 mg/100 ㎖ | |
| 니코틴산 | 20 mg/100 ㎖ | |
| i-이노시톨 | 2000 mg/100 ㎖ |
| 성분 | 최종농도 | 배지 1 L당 첨가량 | 단위 |
| N6 major-1 | 20 | ㎖ | |
| N6 major-2 | 10 | ㎖ | |
| N6 major-3 | 10 | ㎖ | |
| N6 major-4 | 10 | ㎖ | |
| B5 minor-1 | 10 | ㎖ | |
| B5 minor-2 | 10 | ㎖ | |
| B5 minor-3 | 10 | ㎖ | |
| B5 minor-4 | 10 | ㎖ | |
| B5 비타민 | 5 | ㎖ | |
| 카사미노산 | 500 mg/L | 0.5 | g |
| L-프롤린 | 500 mg/L | 0.5 | g |
| L-글루타민 | 300 mg/L | 0.3 | g |
| D-만니톨 | 36 g/L | 36 | g |
| D-말토오스 (2%) | 20 g/L | 20 | g |
| PH 5.8 | |||
| 젤란검 | 5 g/L | 5 | g |
| 멸균 15분 | |||
| 2,4-D(1 mg/㎖) | 1 mg/L | 1 | ㎖ |
| NAA(1 mg/㎖) | 1 mg/L | 1 | ㎖ |
| BA(1 mg/㎖) | 0.2 mg/L | 0.2 | ㎖ |
| 세포탁심 (100 mg/㎖) |
250 mg/L | 2.5 /1 |
㎖ |
| 카르베니실린 (100 mg/㎖) |
100 mg/L | 1 | ㎖ |
| 성분 | 최종농도 | 배지 1 L당 첨가량 | 단위 |
| N6 major-1 | 20 | ㎖ | |
| N6 major-2 | 10 | ㎖ | |
| N6 major-3 | 10 | ㎖ | |
| N6 major-4 | 10 | ㎖ | |
| B5 minor-1 | 10 | ㎖ | |
| B5 minor-2 | 10 | ㎖ | |
| B5 minor-3 | 10 | ㎖ | |
| B5 minor-4 | 10 | ㎖ | |
| B5 비타민 | 5 | ㎖ | |
| 카사미노산 | 500 mg/L | 0.5 | g |
| L-프롤린 | 500 mg/L | 0.5 | g |
| L-글루타민 | 300 mg/L | 0.3 | g |
| D-만니톨 | 36 g/L | 36 | g |
| D-말토오스 (2%)* | 20 g/L | 20 | g |
| PH 5.8 | |||
| 젤라이트/젤란검 | 5 g/L | 5 | g |
| 멸균 15분 | |||
| 2,4-D(1 mg/㎖) | 1 mg/L | 1 | ㎖ |
| NAA(1 mg/㎖) | 1 mg/L | 1 | ㎖ |
| BA(1 mg/㎖) | 0.2 mg/L | 0.2 | ㎖ |
| 세포탁심 (100 mg/㎖) |
250 mg/L | 2.5 /1 |
㎖ |
| 카르베니실린 (100 mg/㎖) |
100 mg/L | 1 | ㎖ |
| 톡소플라빈 (10 mg/㎖) |
10 mg/L | 1 | ㎖ |
| 성분 | 최종농도 | 배지 1 L당 첨가량 | 단위 |
| MS1 | 20 | ㎖ | |
| MS2 | 10 | ㎖ | |
| MS3 | 10 | ㎖ | |
| MS4 | 10 | ㎖ | |
| Fe-EDTA | 10 | ㎖ | |
| MS 비타민 | 5 | ㎖ | |
| 말토오스 | 30 g/L | 30 | g |
| 소르비톨 | 20 g/L | 20 | g |
| PH 5.8 | |||
| 아가로스 타입 I | 10 g/L | 10 | g |
| 멸균 15분 | |||
| 키네틴(1 mg/㎖) | 2 mg/L | 2 | ㎖ |
| NAA(1 mg/㎖) | 0.5 mg/L | 0.5 | ㎖ |
| BA(1 mg/㎖) | 0.2 mg/L | 0.2 | ㎖ |
| 세포탁심 (100 mg/㎖) |
250 mg/L | 2.5 /1 |
㎖ |
| 톡소플라빈 (10 mg/㎖) |
10 mg/L | 1 | ㎖ |
| 용액명 | 성분 | 최종농도 |
| MS1 | KNO3 | 95 g/L |
| NH4NO3 | 82.5 g/L | |
| MS2 | MgSO4.7H2O | 37 g/L |
| MnSO4.4H20 | 2.23 g/L | |
| ZnSO4.7H2O | 0.86 g/L | |
| CuSo4.5H2O | 0.0025 g/L | |
| MS3 | Cacl2.2H2 | 44 g/L |
| KI | 0.083 g/L | |
| CoCl2.6H2O | 0.0025 g/L | |
| MS4 | KH2PO4 | 17 g/L |
| H3BO3 | 0.62 g/L | |
| Na2MoO4.2H2O | 0.025 g/L | |
| Fe-EDTA | Na2EDTA | 3.725 g/L |
| FeSO4.7H2O | 2.785 g/L | |
| MS 비타민 | Nicotinic acid | 10 mg/100㎖ |
| Pyridoxine HCl | 10 mg/100㎖ | |
| Thiamine HCl | 2 mg/100㎖ | |
| Glycine | 40 mg/100㎖ | |
| Myo-inositol | 2000 mg/100㎖ |
| 성분 | 최종농도 | 배지 1 L당 첨가량 | 단위 |
| MS1 | 20 | ㎖ | |
| MS2 | 10 | ㎖ | |
| MS3 | 10 | ㎖ | |
| MS4 | 10 | ㎖ | |
| Fe-EDTA | 10 | ㎖ | |
| MS 비타민 | 5 | ㎖ | |
| 수크로스 | 30 g/L | 30 | g |
| 젤란검 | 3 g/L | 3 | g |
| PH 5.8 | |||
| 멸균 15분 | |||
| 키네틴(1 mg/㎖) | 2 mg/L | 2 | ㎖ |
| NAA(1 mg/㎖) | 1 mg/L | 1 | ㎖ |
| BA(1 mg/㎖) | 0.2 mg/L | 0.2 | ㎖ |
| 세포탁심 (100 mg/㎖) |
250 mg/L | 2.5 /1 |
㎖ |
| 톡소플라빈 (10 mg/㎖) |
10 mg/L | 1 | ㎖ |
| 성분 | 최종농도 | 배지 1 L당 첨가량 | 단위 |
| MS1 | 20 | ㎖ | |
| MS2 | 10 | ㎖ | |
| MS3 | 10 | ㎖ | |
| MS4 | 10 | ㎖ | |
| Fe-EDTA | 10 | ㎖ | |
| MS 비타민 | 5 | ㎖ | |
| 수크로스 | 30 g/L | 30 | g |
| PH 5.8 | |||
| 젤란검 | 2 g/L | 2 | g |
| 멸균 15분 | |||
| 반복시험회수 | 접종 | 휴면 | 선별 | 전 재분화 | 재분화 | 발근 | PCR - 양성 개수 |
| 1th | 200 | 200 | 22 | 45 | 16 | 8 | 8 |
| 2th | 200 | 200 | 23 | ||||
| 3th | 200 | 200 | 81 | 145 | 94 | 30 | 30 |
| 4th | 200 | 200 | 64 | ||||
| 5th | 200 | 53 | 49 | 14 | 7 | 6 | 2 |
| 종자생존율 (%) | 100 | 85.3 | 23.9 | 20.4 | 11.7 | 4.4 | 4.0 |
Claims (12)
- 다음 단계를 포함하는 인디카(indica) 벼의 형질전환 방법:
(a) 벼의 성숙 종자를 수득하는 단계;
(b) 상기 성숙 종자를 발아시켜 미성숙배세포(Immature embryos, IEs)를 형성시키는 단계;
(c) KNO3, MgSO4.7H2O, (NH4)2SO4, KH2PO4, CaCl2.2H2O, FeSO4.7H2O, Na2EDTA, MnSO4.4H2O, ZnSO4.7H2O, H3BO3, KI, CuSO4.5H2O, Na2MoO4.2H2O, CoCl2.6H2O, 비타민, 카사미노산, 아미노산, 당류, 사이토키닌, 옥신 및 아세토시린곤을 포함하는 배지 하에서, 형질전환하고자 하는 목적 유전자를 포함하는 벡터를 상기 미성숙배세포 내로 도입시키는 단계;
(d) 상기 목적 유전자가 도입된 미성숙배세포로부터 세포괴(Cell mass)를 형성하는 단계; 및
(e) 상기 세포괴로부터 형질전환 벼를 수득하는 단계.
- 삭제
- 제 1 항에 있어서, 상기 단계 (c)의 벡터는 톡소플라빈 분해효소 유전자(tflA)를 포함하는 것을 특징으로 하는 형질전환 방법.
- 삭제
- 제 1 항에 있어서, 상기 방법은 단계 (c) 이후에 목적 유전자가 도입된 미성숙배세포를 선별하는 단계를 추가적으로 포함하는 것을 특징으로 하는 형질전환 방법.
- 제 1 항에 있어서, 상기 방법은 단계 (c) 또는 단계 (d) 이후에 목적 유전자가 도입된 미성숙배세포를 재분화 시키는 단계를 추가적으로 포함하는 것을 특징으로 하는 형질전환 방법.
- 삭제
- 제 1 항에 있어서, 상기 세포괴의 형성은 KNO3, MgSO4.7H2O, (NH4)2SO4, KH2PO4, CaCl2.2H2O, FeSO4.7H2O, Na2EDTA, MnSO4.4H2O, ZnSO4.7H2O, H3BO3, KI, CuSO4.5H2O, Na2MoO4.2H2O, CoCl2.6H2O, 비타민, 카사미노산, 아미노산, 당류, 젤란검, 사이토키닌, 옥신, 세포탁심 및 카르베니실린을 포함하는 배지에서 실시되는 것을 특징으로 하는 형질전환 방법.
- 제 5 항에 있어서, 상기 미성숙배세포의 선별은 KNO3, MgSO4.7H2O, (NH4)2SO4, KH2PO4, CaCl2.2H2O, FeSO4.7H2O, Na2EDTA, MnSO4.4H2O, ZnSO4.7H2O, H3BO3, KI, CuSO4.5H2O, Na2MoO4.2H2O, CoCl2.6H2O, 비타민, 카사미노산, 아미노산, 당류, 젤란검, 사이토키닌, 옥신, 세포탁심, 카르베니실린 및 톡소플라빈을 포함하는 배지에서 실시되는 것을 특징으로 하는 형질전환 방법.
- 제 6 항에 있어서, 상기 미성숙배세포의 재분화는 KNO3, NH4NO3, MgSO4.7H2O, MnSO4.4H20, ZnSO4.7H2O, CuSo4.5H2O, Cacl2.2H2, KI, CoCl2.6H2O, KH2PO4, H3BO3, Na2MoO4.2H2O, Na2EDTA, FeSO4.7H2O, 비타민, 아미노산, 당류, 젤란검, 사이토키닌, 옥신, 세포탁심 및 톡소플라빈을 포함하는 배지에서 실시되는 것을 특징으로 하는 형질전환 방법.
- 제 1 항, 제 3 항, 제 5 항, 제 6 항 및 제 8 항 내지 제 10 항 중 어느 한 항의 방법으로 수득한 형질전환 된 인디카(indica) 벼.
- 제 1 항, 제 3 항, 제 5 항, 제 6 항 및 제 8 항 내지 제 10 항 중 어느 한 항의 방법으로 수득한 형질전환 된 인디카(indica) 벼의 종자.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR19990072163A (ko) * | 1996-10-22 | 1999-09-27 | 미즈노 마사루 | 인디카벼의형질전환방법 |
| KR100917574B1 (ko) * | 2007-11-15 | 2009-09-15 | 한국생명공학연구원 | 톡소플라빈 분해 효소를 선별 마커로 이용한 형질전환 감자식물체 제조 |
| KR101013092B1 (ko) * | 2009-03-25 | 2011-02-14 | 대한민국 | 벼 줄무늬잎마름병 저항성 형질전환 벼 및 이의 제조방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990072163A (ko) * | 1996-10-22 | 1999-09-27 | 미즈노 마사루 | 인디카벼의형질전환방법 |
| KR100917574B1 (ko) * | 2007-11-15 | 2009-09-15 | 한국생명공학연구원 | 톡소플라빈 분해 효소를 선별 마커로 이용한 형질전환 감자식물체 제조 |
| KR101013092B1 (ko) * | 2009-03-25 | 2011-02-14 | 대한민국 | 벼 줄무늬잎마름병 저항성 형질전환 벼 및 이의 제조방법 |
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