TABLE 1.
List of various CRISPR-Cas12a nucleases and their various applications in crops.
| Plant name | Cas12a | Gene codes | Gene targeted | Target Trait | Binary vector | Transformation method | PAM | References |
| Rice | FnCas12a | OsDL, OsALS, OsNCED1, OsAO1 | Drooping leaf; Acetolactate synthase; 9-cis-epoxycarotenoid dioxygenase1; Aldehyde oxidase | Floral organ identity; Herbicide resistance; Abscisic acid regulation-stress tolerance; caroteniod catabolism and abscisic acid metabolism-stress tolerance | pPZP200 | Agrobacterium | TTN | Endo A. et al., 2016 |
| Rice | LbCas12a | OsEPFL9 | Stomatal developmental gene | Abiotic stress tolerance | pCAMBIA | Agrobacterium | TTTG | Yin et al., 2017 |
| Rice | LbCas12a | OsPDS, OsBEL | Phytoene desaturase; Bentazon-sensitive-lethal | Carotenoid biosynthetic pathway; Herbicide resistance | pHSN400 | Agrobacterium | TTTA, | Tang et al., 2017 |
| Rice | FnCas12a, LbCas12a | OsBEL, OsRLK | Bentazon-sensitive-lethal; Receptor like kinases | Herbicide resistance; Biotic stress stimulant response gene | pCambia | Agrobacterium | TTN, TTTG, TTTC | Wang et al., 2017b |
| Rice | FnCas12a, LbCas12a | OsCAO1 | Chlorophyllide-a oxygenase gene | Photosynthetic efficiency | pUC19 | Biolistic Mediated | TTTC | Begemann et al., 2017 |
| Rice | AsCas12a, LbCas12a | OsPDS, OsDEP1, and OsROC5 | Phytoene desaturase; Dense and erect panicle 1; Rice outermost cell-specific gene5 | Carotenoid biosynthetic pathway; Regulating carbon-nitrogen metabolism-Yield; leaf rolling controlling; Negatively modulates bulliform cells | pYPQ203 or pYPQ202, pYPQ220, pYPQ230, pYPQ223 | Agrobacterium | TTTG | Tang et al., 2017 |
| Rice | FnCas12a | OsDEP1, OsPDS, and OsEPFL9 | Dense and erect panicle 1; Phytoene desaturase; Stomatal developmental gene | Regulating carbon-nitrogen metabolism-Yield; Carotenoid biosynthetic pathway; Abiotic stress tolerance | pYPQ203 | Protoplasts transformation | TTTC | Zhong et al., 2018 |
| Rice | LbCas12a | OsALS | Acetolactate synthase | Herbicide resistance | pCXUN | Particle bombardment | TTTG | Li et al., 2018b |
| Rice | FnCas12a, AsCas12a, and LbCas1 | OsROC5 and OsDEP1 | Rice outermost cell-specific gene5; Dense and erect panicle 1 | Leaf rolling controlling; Negatively modulates bulliform cells; Regulating carbon-nitrogen metabolism-Yield | pYPQ141, 210, 230 | PEG-mediated protoplasts transfection | TTTC | Malzahn et al., 2019 |
| Rice | LbCas12a | OsDEP1, OsROC5 | Dense and erect panicle 1; Rice outermost cell-specific gene5 | Regulating carbon-nitrogen metabolism-Yield; leaf rolling controlling; Negatively modulates bulliform cells; | STU-Cas12a system | Protoplasts transformation | TTTA | Tang et al., 2019 |
| Rice | LbCas12a | OsPDS, OsGS3, OsALS, OsNAL | Phytoene desaturase; Grain size; Acetolactate synthase; Narrow leaf | Carotenoid biosynthetic pathway; Grain length-yield; Herbicide resistance; grain yield | STU-poly-A vector | Agrobacterium | TTTA, TTTG | Xu et al., 2019 |
| Rice | AsCas12a, LbCas12a | OsPDS | Phytoene desaturase; | Carotenoid biosynthetic pathway; | pCAMBIA1301 | Biolistic Mediated | TTTG | Banakar et al., 2020 |
| Arabidopsis and rice | AsCas12a, LbCas12a | OsPDS, OsDEP1, and OsROC5 | Phytoene desaturase; Dense and erect panicle 1; Rice outermost cell-specific gene5 | Carotenoid biosynthetic pathway; | dAsCas12a–SRDX and dLbCas12a–SRDX carrying vector | Floral dip and protoplasts transformation | TTTG | Tang et al., 2017 |
| Arabidopsis | LbCas12a, enLbCas12a, ttLbCas12a | five gene targets | – | – | enAsCas12a and ttLbCas12a carrying vector | Floral dip | TTTC, TTTA | Schindele et al., 2020 |
| Soybean | LbCas12a/AsCas12a-RNP | FAD2-1A, FAD2-1B | Fattyacid desaturase | Increase oleicacid levels-Yield improvement | p2GW7 | PEG-mediated protoplasts transformation | TTTTA | Kim et al., 2017 |
| Tobacco | FnCas12a | NtSTF1, NtPDS | Phytoene desaturase; Stenofolia | NtPDS; NtSTF1 | pRI201-AN | Agrobacterium | TTN | Endo A. et al., 2016 |
| Tobacco | LbCas12a/AsCas12a-RNP | AOC | Allen Oxidase Cyclase | Jasmonic acid biosynthesis metabolism | p2GW7 | PEG mediated RNP delivery | TTTN | Kim et al., 2017 |
| Maize | LbCas12a | Gl2 | Maize Glossy gene2 | Epicuticular wax formation-Regulation of fattyacid elongase pathway | pYPQ141, 210, 230 | Agrobacterium | TTTG, TTTC | Lee K. et al., 2019 |
| Tomato | LbCas12a | SlHKT1;2 | Salt tolerance gene 1;2 | Salt tolerance-Abiotic stress tolerant | pHRHKT12.1 | Agrobacterium | TTTG, TTTA | van Vu et al., 2020 |
| Allotetraploid cotton | LbCas12a | GhLCA1 | Cloroplastos alterados | Chloroplast developmental gene | pGhRBE3 | Agrobacterium | TTTG | Li B. et al., 2019 |
| Citrus | LbCas12a | CsPDS | Phytoene desaturase; | Carotenoid biosynthetic pathway; | p1380 | Agroinfiltration | TTTC | Jia et al., 2019 |
| Wheat | LbCas12a | TaWaxy and TaMTL | Waxy and Matrilineal | MTL-Haploid induction gene; Waxy- starch synthase gene involved in flour quality | pWMB110-LbCas12a | Agrobacterium | TTTG | Liu et al., 2020 |