Overexpression of Orf2 in Mycobacterium sp. strain JC1

4
Overexpression of Orf2 in Mycobacterium s p. strain JC1 Order the primer to clone orf2 (pProEX™HTa vector 고고 ) Perform PCR with produced primer using Mycobacterium sp. strain JC1 chromosomal DN A Elution PCR product and ligation with pGEM-T easy vector Transformation into E.coli DH5α Sequencing the cloned pGEM-T easy vector containing PCR product Ligate with pProEX™HTa for overexpression Transformation into E.coli DH5α Plasmid prep & Transformation into E.coli BL21 A preliminary Experiment Induction by IPTG (25℃ & 37℃) Confirm expression patterns using SDS-PAGE Induce at 37℃ for 5hr & Harvest -20℃ 고고 Protein sample extraction ->column 고 고고고 고고 고고 고고고 고고고고 고고고고고 고

description

Order the primer to clone orf2 (pProEX ™ HTa vector 고려 ) Perform PCR with produced primer using Mycobacterium sp. strain JC1 chromosomal DNA Elution PCR product and ligation with pGEM-T easy vector Transformation into E.coli DH5α - PowerPoint PPT Presentation

Transcript of Overexpression of Orf2 in Mycobacterium sp. strain JC1

Page 1: Overexpression of Orf2 in  Mycobacterium  sp. strain JC1

Overexpression of Orf2 in Mycobacterium sp. strain JC1

Order the primer to clone orf2 (pProEX™HTa vector 고려 )

Perform PCR with produced primer using Mycobacterium sp. strain JC1 chromosomal DNA

Elution PCR product and ligation with pGEM-T easy vector

Transformation into E.coli DH5α

Sequencing the cloned pGEM-T easy vector containing PCR product

Ligate with pProEX™HTa for overexpression

Transformation into E.coli DH5α

Plasmid prep & Transformation into E.coli BL21

A preliminary Experiment Induction by IPTG (25℃ & 37℃)

Confirm expression patterns using SDS-PAGE

Induce at 37℃ for 5hr & Harvest -20℃ 보관

Protein sample extraction ->column 의 배송이 지연 되는 관계로 다음주에 실행하기로 함

Page 2: Overexpression of Orf2 in  Mycobacterium  sp. strain JC1

Detection of protein interacted with Orf1 or Orf2 using His-tagged Orf1 or Orf2 from Mycobacterium smegmatis

His-tagged Orf1or Orf2 만들어지도록 primer 제작 제작된 primer 로 PCR 수행 Elute PCR product and ligate with pGEM-T easy vector (Orf1 PCR 재수행 primer 다시 주문 , Orf2 : Transfomation 재수행 ) Sequencing the cloned pGEM-T easy vector containing PCR product Ligate with pNBV1 for overexpression the His-tagged Orf1 or Orf2 Electroporation overexpression vector into Mycobacterium smegmatis Incubation on SMB supplemented with CO medium Purification the protein interacted with His-tagged Orf1 or Orf2 MALDI TOF analysis

Page 3: Overexpression of Orf2 in  Mycobacterium  sp. strain JC1

Construction of bait vector for Orf1 and Orf2 from Mycobacterium smegmatis

Orf1 or Orf2 가 만들어지도록 primer 제작 제작된 primer 로 PCR 수행 Elute PCR product and ligate with pGEM-T easy vector (Orf1 sequencing data 분석 결과 non-specific band 로 확인되어

다시 PCR 하기로 결정 , Orf2 plasmid DNA prep. 준비 ) Sequencing the cloned pGEM-T easy vector containing PCR prod

uct Ligate with pAS2-1 for bait vector Transformation into E. coli Co-transformation into S. cerevisiae with prey vector

Page 4: Overexpression of Orf2 in  Mycobacterium  sp. strain JC1

Construction of bait vector for Rv3676 from Mycobacterium smegmatis

Order the primer to clone Mycobacterium smegmatis Rv3676 제작된 primer 로 PCR 수행 Elute PCR product and ligate with pGEM-T easy vector Sequencing the cloned pGEM-T easy vector containing PCR product Ligate with pAS2-1 for bait vector Transformation into E. coli Co-transformation into S. cerevisiae with prey vector