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일반 설명
The Cas9 expression plasmids use the CMV promoter for strong transient expression of Cas9. Alternate promoters can be substituted by replacement of CMV using MluI and NheI. Also, the Cas9 expression plasmids can be linearized using XbaI for T7-based mRNA production. The addition of a fluorophore that is translationally co-expressed with the Cas9 nuclease allows for easy visualization of successful transfection.
애플리케이션
Functional Genomics/Target Validation
- Creation of gene knockouts in multiple cell lines
- Complete knockout of genes not amenable to RNAi
- Creation of knock-in cell lines with promoters, fusion tags, or reporters integrated into endogenous genes
성분
1 vial containing 1 μg of Cas9-2A-RFP plasmid.
Please note, product does not contain guideRNA sequence. This must be purchased separately through the Custom CRISPR product tab.
Please note, product does not contain guideRNA sequence. This must be purchased separately through the Custom CRISPR product tab.
원리
CRISPR/Cas systems are employed by bacteria and archaea as a defense against invading viruses and plasmids. Recently, the type II CRISPR/Cas system from the bacterium Streptococcus pyogenes has been engineered to function in eukaryotic systems using two molecular components: a single Cas9 protein and a non-coding guide RNA (gRNA). The Cas9 endonuclease can be programmed with a single gRNA, directing a DNA double-strand break (DSB) at a desired genomic location. Similar to DSBs induced by zinc finger nucleases (ZFNs), the cell then activates endogenous DNA repair processes, either non-homologous end joining (NHEJ) or homology-directed repair (HDR), to heal the targeted DSB.
물리적 형태
Sigma Cas9-2A-RFP plasmid DNA is supplied at concentrations of 50ng/μl in 20μl.
기타 정보
Must be used in conjunction with a U6-gRNA plasmid in order to mediate a double strand break in the DNA.
Typical transfection concentrations used in literature are in the ranges of >= 1.0 μg/μL and <= 5 μL of Cas9 plasmid combined with >= 1.0 μg/μL and <= 5 μL of U6-gRNA plasmids. (All dosages above assume 0.5 to 1 million cells nucleofected).
Typical transfection concentrations used in literature are in the ranges of >= 1.0 μg/μL and <= 5 μL of Cas9 plasmid combined with >= 1.0 μg/μL and <= 5 μL of U6-gRNA plasmids. (All dosages above assume 0.5 to 1 million cells nucleofected).
Storage Class Code
10 - Combustible liquids
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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이미 열람한 고객
프로토콜
Learn about CRISPR Cas9, what it is and how it works. CRISPR is a new, affordable genome editing tool enabling access to genome editing for all.
관련 콘텐츠
Sigma-Aldrich® Advanced Genomics는 CRISPR, Cas9, 합성 가이드 RNA(sgRNA) 및 ZFN(Zinc Finger Nuclease)을 포함한 유전자 편집 및 침묵 기술의 선도적인 제공업체입니다.
Sigma-Aldrich® Advanced Genomics is the leading provider of gene editing and silencing technologies including CRISPR, Cas9, synthetic guide RNA (sgRNA), and Zinc Finger Nuclease (ZFN).
자사의 과학자팀은 생명 과학, 재료 과학, 화학 합성, 크로마토그래피, 분석 및 기타 많은 영역을 포함한 모든 과학 분야에 경험이 있습니다..
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