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Summary
| Description |
English: CRISPR-Cas9 Confers Adaptive Immunity.
Left Panel: After a phage has injected its DNA into the bacterial cytoplasm, a protein complex forms consisting of Cas1 and Cas2. A sample sequence, termed protospacer, is acquired from the phage DNA by the Cas1-Cas2 complex (1). This sequence is then integrated into the CRISPR genetic locus (2). The sequence is now called a spacer. Several spacers from earlier contacts with phages are stored in the CRISPR genetic locus. Right Panel: Spacer sequences are transcribed as RNA, and Cas9 protein is synthesized (1). RNA binds to Cas9 to form a surveillance and interference complex (2). The complex then scans intracellular DNA for matching sequences (3). If a matching phage sequence is found, Cas9 destroys the DNA by cleavage (4). |
| Date | |
| Source | Own work |
| Author | Guido4 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:43, 1 November 2017 | | 2,082 × 1,476 (264 KB) | Guido4 | User created page with UploadWizard |
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