Table 1.
List of known GI alleles and their phenotypes.
| No. | Allele name background site of mutation | Phenotypes |
Key reference | ||||||
| Flowering time | Starch content | Circadian rhythm | Herbicide tolerance | Hypocotyl length | Cold tolerance | Chlorophyll accumulation | |||
| 1 |
gi-11 Ws T-DNA insertion 407 bp upstream of start codon. 3–4 kb of the genomic sequence, removing the 5′ half of the gene and upstream sequence |
Latec | NA | NA | NA | NA | NA | NA | TAIR; cFowler et al. (1999) |
| 2 |
gi-201 Col-0 T-DNA insertion in second exon (66 amino acid, aa) |
Latef | NA | Damped, altered circadian rhythmf |
NA | Longer in RL and BLf | NA | NA | fMartin-Tryon et al. (2007) |
| 3 |
gi-2 Col-0 Δ (670–677) bp premature stop codon (144 aa) |
Latea,c | Highb | Short; decreased period lengthd |
NA | Longer in RL and BLe,f | NA | NA | TAIR; aAraki and Komeda (1993), bEimert et al. (1995), cFowler et al. (1999), dPark et al. (1999), eHuq et al. (2000), fMartin-Tryon et al. (2007) |
| 4 |
gi-596 Ws S191F (C814T) |
Not Affected j | Long circadian periodj | NA | NA | NA | NA | NA | jGould et al. (2006) |
| 5 |
gi-611 Ws L281F (C1398T) |
Early in short photoperiodj | Short circadian periodj |
NA | NA | NA | NA | NA | TAIR; jGould et al. (2006) |
| 6 |
gi-6 Ler-0 Q493Stop codon (C2392T) – 492 aa |
Latec | NA | NA | NA | NA | NA | Highg | TAIR; gKurepa et al. (1998a), cFowler et al. (1999) |
| 7 |
gi-200 Col-0 S932N (G3704A) |
NA | NA | Short circadian rhythmf |
NA | Longer in RL and BLf | NA | NA | fMartin-Tryon et al. (2007) |
| Flowering time | Starch content | Circadian rhythm | Herbicide tolerance | Hypocotyl length | Cold tolerance | Chlorophyll accumulation | |||
| 8 |
gi-3 Ler-0 Q964Stopcodon (C3929T) – 963 aa |
Latea,c,h | Highb | LHY, CCA1 expression loweredh | Tolerant toward paraquat, H2O2g | Longer in RL and BLf,h | Toleranti | Highg | TAIR; aAraki and Komeda (1993), bEimert et al. (1995), gKurepa et al. (1998a), cFowler et al. (1999), iCao et al. (2005), hMizoguchi et al. (2005), fMartin-Tryon et al. (2007) |
| 9 |
gi-1
Col-0 Δ (4327–4331) bp |
Latea,c | Highb | Short; decreased period lengthd |
NA | Longer in RL and BLe,f | NA | NA | TAIR; aAraki and Komeda (1993), bEimert et al. (1995), cFowler et al. (1999), dPark et al. (1999), eHuq et al. (2000), fMartin-Tryon et al. (2007) |
| 10 |
gi-4 Ler-0 G4750A (G-splice acceptor site) – improper splicing. Premature stop codon (1083 aa). |
Latec | NA | NA | NA | Longer in RL and BLf | Toleranti | Highg | TAIR; gKurepa et al. (1998a), cFowler et al. (1999), iCao et al. (2005), fMartin-Tryon et al. (2007) |
| 11 |
gi-5 Ler-0 C5042T and Δ5041 bp deletion |
Latec | NA | NA | NA | NA | NA | Highg | TAIR; gKurepa et al. (1998a), cFowler et al. (1999) |
| ∗12 |
gi-12 Col-0 T-DNA insertion in GI coding region |
Latec | NA | NA | NA | NA | NA | NA | cFowler et al. (1999) |
| *13 |
gi-100 Col-0 3′ end unexpressed – ∼2 kb transcript produced |
Latee | NA | NA | NA | Longer in RLe | NA | NA | eHuq et al. (2000) |
Various reported alleles of GI based on the site of mutation and the corresponding phenotypes are depicted in the table below. In the case of GI alleles represented by *, the precise location of the mutations are not known and as such, arranged based on the time of discovery.