Title |
Cloning-free CRISPR/Cas system facilitates functional cassette knock-in in mice
|
---|---|
Published in |
Genome Biology, April 2015
|
DOI | 10.1186/s13059-015-0653-x |
Pubmed ID | |
Authors |
Tomomi Aida, Keiho Chiyo, Takako Usami, Harumi Ishikubo, Risa Imahashi, Yusaku Wada, Kenji F Tanaka, Tetsushi Sakuma, Takashi Yamamoto, Kohichi Tanaka |
Abstract |
Although the CRISPR/Cas system has enabled one-step generation of knockout mice, low success rates of cassette knock-in limit its application range. Here we show that cloning-free, direct nuclear delivery of Cas9 protein complex with chemically synthesized dual RNAs enables highly efficient target digestion, leading to generation of knock-in mice carrying a functional cassette with up to 50% efficiency, compared with just 10% by a commonly used method consisting of Cas9 mRNA and single guide RNA. Our cloning-free CRISPR/Cas system facilitates rapid one-step generation of cassette knock-in mice, accelerating functional genomic research by providing various in vivo genetic tools. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
United Kingdom | 4 | 13% |
United States | 4 | 13% |
Japan | 3 | 9% |
Canada | 1 | 3% |
Australia | 1 | 3% |
France | 1 | 3% |
Germany | 1 | 3% |
Unknown | 17 | 53% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Members of the public | 23 | 72% |
Scientists | 7 | 22% |
Science communicators (journalists, bloggers, editors) | 2 | 6% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Japan | 7 | 1% |
United Kingdom | 3 | <1% |
Switzerland | 2 | <1% |
United States | 2 | <1% |
Spain | 2 | <1% |
South Africa | 1 | <1% |
Finland | 1 | <1% |
Chile | 1 | <1% |
Slovenia | 1 | <1% |
Other | 3 | <1% |
Unknown | 485 | 95% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Researcher | 134 | 26% |
Student > Ph. D. Student | 102 | 20% |
Student > Master | 50 | 10% |
Student > Bachelor | 44 | 9% |
Professor > Associate Professor | 30 | 6% |
Other | 78 | 15% |
Unknown | 70 | 14% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 194 | 38% |
Biochemistry, Genetics and Molecular Biology | 146 | 29% |
Medicine and Dentistry | 31 | 6% |
Neuroscience | 31 | 6% |
Immunology and Microbiology | 9 | 2% |
Other | 18 | 4% |
Unknown | 79 | 16% |