Key features of Class-2 CRISPR-Cas systems and the representative POC sensing platforms summarized in this review.
Type II-Cas9 | Type V-Cas12 | Type VI-Cas13 | |
---|---|---|---|
Subtypes | Deactivated Cas9 (dCas9) | Cas12a (Cpf1) | Cas13a (C2c2) |
Cas9 nickase (nCas9) | Cas12b (C2c1) | Cas13b | |
Cas12f (Cas14) | |||
Target (activator) | dsDNA | dsDNA | RNA |
ssDNA | |||
gRNA | crRNA + tracrRNA | crRNA | crRNA |
Platforms | NASBACC48 | DETECTR54 | SHERLOCK58 |
CRISDA49 | HOLMES43 | HUDSON-SHERLOCK44 | |
CRISPR-Chip50 | CRISPR-hydrogel69 | CARMEN61 |