全基因敲除库(人,gRNA pooled library in lentiCRISPRv2)购自Addgene(1000000048),是Human CRISPR Knockout Pooled Library (GeCKO v2)的一种,由张锋的团队构建(Improved vectors and genome-wide libraries for CRISPR screening. Nat Methods. 2014)。
gRNA pooled library in lentiCRISPRv2
Species
human
Number of coding genes targeted
19,050
Targeting constructs per coding gene
6 per gene (3 in Library A, 3 in Library B)
Number of miRNA targeted
1,864
Targeting constructs per miRNA
4 per miRNA
Control (non targeting) sgRNAs
1,000
Total sgRNA constructs
123,411 (65,383 in Library A, 58,028 in Library B)
Viral plasmid vector
Single lentiCRISPR v2
1、全基因敲除库(人)慢病毒包装。
2、慢病毒粒感染目标细胞,Puro筛选阳性细胞。
3、药物筛选或者辐射处理等,对照组不处理或者虚假处理。
4、提取基因组DNA,PCR扩增sgRNA的编码序列。
5、sgRNA的编码序列高通量测序。
6、比较对照组和实验组的高通量测序结果,筛选感兴趣的基因。
7、单独验证筛选出来的基因。
1、Genome-scale CRISPR-Cas9 knockout screening in human cells. Science, 2014
2、Genetic screens in human cells using the CRISPR-Cas9 system. Science, 2014
3、High-throughput screening of a CRISPR/Cas9 library for functional genomics in human cells. Nature, 2014
4、A genome-wide CRISPR screen in primary immune cells to dissect regulatory networks. Cell, 2015
5、Genome-wide CRISPR screen in a mouse model of tumor growth and metastasis. Cell, 2015
6、High-resolution CRISPR screens reveal fitness genes and genotype-specific cancer liabilities. Cell, 2015
7、Identification and characterization of essential genes in the human genome. Science, 2015
8、Discovery of cancer drug targets by CRISPR-Cas9 screening of protein domains. Nature biotechnology, 2015
9、Functional genetic screens for enhancer elements in the human genome using CRISPR-Cas9. Nature biotechnology, 2016
10、Genome-scale CRISPR-Cas9 Knockout and Transcriptional Activation Screening. Nature Protocols, 2017
11、CRISPR/Cas9 screening using unique molecular identifiers. Molecular Systems Biology, 2017
1、全基因敲除库(人)20μg,浓度500ng/μL以上,超螺旋率95%以上。
2、全基因敲除库(人)说明书一份。
3、服务周期:1-2周。