KR20200044235A - CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법 및 이의 용도 - Google Patents
CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법 및 이의 용도 Download PDFInfo
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Abstract
Description
도 2는 In vitro 에서 pcmco1 sgRNA의 유색고약버섯 게놈 유전자 편집 결과를 나타낸 것이다.
도 3은 유색고약버섯의 원형질을 나타낸 것이다.
도 4a는 pcmco1 유전자의 유전자 편집을 확인한 결과를 나타낸 것이고, 도 4b는 pclip1 유전자의 유전자 편집을 확인한 결과를 나타낸 것이다.
유전자 | sgRNA명 | sgRNA 염기서열 | PCR 프라이머 염기서열 |
pclip1 | pclip1_sg1 | GGCGCGCTTCTCCTTGACCACGG (서열 1) | F-CGCTTCTGCATGCTGTGATA (서열 9) R-TCGTCGAAGATCATGATGGA (서열 10) |
pclip1_sg2 | GGCGCGCTTCTCCTTGACCACGG (서열 2) | ||
pclip1_sg3 | ATCCAGCAGAACCTGTTCCAAGG (서열 3) | ||
pclip1_sg4 | CGTGGGCCTCAGCGCCGCACTGG (서열 4) | ||
pcmco1 | pcmco1_sg1 | CTCGGGACCGCCTGTCGTCCAGG (서열 5) | F-GTTGGTGCTGCTCCTAGCTC (서열 11) R-ATACGGTGTGGCGCTCTTAG (서열 12) |
pcmco1_sg2 | AGTTGTCCATTGAGGGCACCTGG (서열 6) | ||
pcmco1_sg3 | TCGGACCTGAGGCGGTTGGCCGG (서열 7) | ||
pcmco1_sg4 | GAAATGCTGGGTGCGCCGGACGG (서열 8) |
프라이머 | 염기서열 |
MCO_F | 5’-GGT CGG TGC TGC TCC TAG-3’(서열번호 13) |
MCO_R | 5’-GGG AAG GTT GGA TGA ACG-3’(서열번호 14) |
LIP_F | 5’-ATG GCC TTC AAG CAG CTC-3’(서열번호 15) |
LIP_R | 5’-GCA GGA GCA CGA CCA GTG-3’(서열번호 16) |
Claims (10)
- (a). 유색고약버섯(Phanerocheate chrysosporium)의 원형질을 분리하는 단계;
(b). 상기 분리된 유색고약버섯의 원형질 내로 단일 가이드 RNA(sgRNA)를 삽입하는 단계; 및
(c). 유색고약버섯의 리그닌 분해효소의 유전자 편집을 확인하는 단계를 포함하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법. - 제1항에 있어서, 상기 단일 가이드 RNA(sgRNA)는 유색고약버섯의 pclip1 및 pcmco1 중에서 선택되는 유전자로부터 유래되는 것을 특징으로 하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법.
- 제2항에 있어서, 상기 단일 가이드 RNA(sgRNA)는 서열번호 1 내지 서열번호 8 중에서 선택되는 염기서열로 이루어진 것을 특징으로 하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법.
- 제1항에 있어서, 상기 (b) 단계는 상기 분리된 원형질 100 ㎕에 cas9 단백질 20 ㎍, 서열번호 1 내지 서열번호 8 중에서 선택되는 염기서열로 이루어진 각각의 sgRNA 35 ㎍, 100 mM 헤파린, 250 mM 스퍼미딘(spermidine) 및 100 mM 오린트리카복실산(aurintricarboxylic acid)을 섞은 후, 얼음에서 30분 동안 방치한 다음, 폴리에틸렌글리콜 용액 0.5 ㎖를 첨가하여 상온에서 20분 동안 반응시키는 것을 특징으로 하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법.
- 제4항에 있어서, 상기 폴리에틸렌글리콜 용액은 40%(w/v) 폴리에틸렌글리콜3350, 10 mM CaCl2 및 10mM 트리스(Tris)로 이루어지고, 상기 용액의 pH가 7.5인 것을 특징으로 하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법.
- 제1항에 있어서, 상기 (c) 단계는 상기 단일 가이드 RNA(sgRNA)가 삽입된 원형질을 배양하여 형성된 균사체로부터 게놈 DNA를 추출한 후, 프라이머를 이용하여 PCR을 수행하여 DNA 크기의 변화를 확인하는 단계를 포함하는 것을 특징으로 하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법.
- 제6항에 있어서, 상기 프라이머는 서열번호 13의 정방향 프라이머와 서열번호 14의 역방향 프라이머로 이루어진 pcmco1 프라이머쌍, 및 서열번호 15의 정방향 프라이머와 서열번호 16의 역방향 프라이머로 이루어진 pclip1 프라이머쌍 중에서 선택되는 프라이머쌍인 것을 특징으로 하는, CRISPR-Cas9 시스템을 이용한 유색고약버섯의 리그닌 분해효소의 유전자 편집방법.
- 제1항 내지 제7항 중 어느 한 항의 유전자 편집방법을 도입하여 식용버섯을 육종하는 방법.
- 제8항에 있어서, 상기 식용버섯은 목재부후균 유래인 것을 특징으로 하는 식용버섯을 육종하는 방법.
- 제8항에 있어서, 상기 식용버섯은 표고버섯을 포함하는 것을 특징으로 하는 식용버섯을 육종하는 방법.
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CN113201553A (zh) * | 2021-06-17 | 2021-08-03 | 上海市农业科学院 | Cas9蛋白双元表达载体及其构建方法、应用和转化系统 |
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