From: Identifying the mechanisms of intron gain: progress and trends
Proposed mechanism | In vivodemonstration | Indirect evidence | Number of events unambiguously identified | Specie(s) event identified in |
---|---|---|---|---|
Intron Transposition | No | 14 | Mycosphaerella, Oikopleura | |
Transposon Insertion | No | 35 | Oryza, Drosophila, Oikopleura, Zea | |
Tandem Genomic Duplication | Yes [56] | 188 | Arabidopsis, Oryza, Caenorhabditis, Drosophila, mouse, human, Cryptococcus | |
Intron Gain during DSBR | No | 5 | Drosophila, Daphnia, Aspergillus, Bigelowiella, human | |
Intron Transfer | No | 3 | Mycosphaerella, Aspergillus, Chironomus, | |
Insertion of a Group II Intron | Likely does not occur [60] | No | 0 | Â |
Intronization | No | 29 | Cryptococcus, Caenorhabditis |