Table 1.
The transparent testa mutants from Arabidopsis used in these experiments
| Line | Enzyme lesion | Locusa | Mutagen | Reference |
| Ler | Wild type | – | – | – |
| tt1-1 | WIP zinc finger protein | At1G34790 | X-rays | Sagasser et al., 2002 |
| tt2-1 | MYB domain protein 123 | At5G35550 | X-rays | Nesi et al., 2001 |
| tt3-1 | Dihydroflavonol 4-reductase | At5G42800 | X-rays | Shirley et al., 1995 |
| tt4-1 | Chalcone synthase | At5G13930 | EMS | Koornneef, 1990 |
| tt5-1 | Chalcone isomerase | At3G55120 | fast neutrons | Shirley et al., 1995 |
| tt6-1 | Flavonone 3-hydroxylase | At3G51240 | EMS | Pelletier and Shirley, 1996 |
| tt7-1 | Flavonoid 3′-hydroxylase | At5G07990 | EMS | Schoenbohm et al., 2000 |
| tt8-1 | bHLH domain protein | At4G09820 | unk | Nesi et al., 2000 |
| tt10-1 | Laccase-like protein | At5G48100 | EMS | Pourcel et al., 2005 |
| ttg-1 | WD40 repeat protein | At5G24520 | EMS | Walker et al., 1999 |
| ttg2-1 | WRKY TF | At2G37260 | unk | Ishida et al., 2007 |
All seeds were obtained from the Ohio Biotechnology Resource Center, University of Ohio. Abbreviations: TF, transcription factor; EMS, ethylmethane sulphonate; unk, unknown.
a
Locus locations are from TAIR.