Table 1.
Mechanism of Action. | Plant Species | Target | Protein | Type of Mutation | Promoter | Vector | Reference |
---|---|---|---|---|---|---|---|
Knockout | Apple | PDS | pcoCas9 fused to GFBSD2 | InDels | NA | pEgP226-2A-gfbsd2 | [39] |
Knockout | Arabidopsis | BRI1, GAI, JAZ1 | hSpCas9 | InDels | NA | NA | [40] |
Knockout | Banana | PDS | Cas9 | InDels resulting in early stop codon | NA | pRGEB31 | [41] |
Knockout | Rice | OsROC5, OsDEP1 | Arabidopsis codon-optimized Cas9 | Small deletions of up to 10 base pairs. | NA | pZHY988 | [42] |
Knock-in | Rice | OsPDS | SpCas9 | Successful insertion of Oligo with KpnI+EcoRI sites resulting in gene disruption. | ZmUbi | pEASY-Blunt vector | [36] |
Knock-in | Rice | Chlorophyllide-a oxygenase gene of rice (CAO1) | Monocot optimized FnCpf1 | Heritable targeted insertion of repair template having hygromcin resistance. | ZmUbi | pUC19 backbone | [43] |
Knock-in | Rice | ALS | pcoLbCpf1 | Targeted ALS gene replacement resulting in Herbicide resistant plants. | NA | pCXUN-LbCpf1 | [44] |
Knock-in | Arabidopsis | GLABRA2 (GL2); ROS1; DME | hSpCas9 | GFP-DME; DME-GFP; ROS1-GFP; ROS1-luc fusions were generated | AtU6 | pCambia1300; pCambia3301 | [45] |
Knock-in | Maize | ALS2; LIG | SpCas9 | Targeted insertion of MoPAT gene in LIG locus by upto 83% and mutation of ALS2 with by HDR with two oligos. | Ubi | pUC19; pSB11 |
[46] |
Abbreviations: AtU6: Arabidopsis thaliana U6 snoRNA promoter; Cas9: CRISPR associated protein 9; Cpf1: CRISPR from Prevotella and Francisella 1; FnCpf1: Franciella novocida Cpf1; hSpCas9: human codon-optimized Streptococcus pyogenes Cas9; InDels: Insertion or deletion mutations; NA: Not Available; pcoCas9: plant codon-optimized Cas9; pcoLbCpf1: plant codon-optimized Lachnospiraceae bacterium Cpf1; SpCas9: Streptococcus pyogenes Cas9; Ubi: ubiquitin promoter: ZmUbi: Zea mays ubiquitin, NA: not available.