Table I.
Biotin biosynthetic genes and auxotrophic mutants of Arabidopsisa
| Arabidopsis Gene | Bacterial Ortholog | Arabidopsis Locus | Enzymatic Product | Allele | Mutagen | Line No. | Reference on Mutant |
|---|---|---|---|---|---|---|---|
| BIO4 | bioF | At5g04620 | KAPA | NAb | NAb | NAb | None identified |
| BIO1 | bioA | At5g57590 | DAPA | bio1-1 | EMS | 122G-E | Schneider et al. (1989) |
| bio1-2 | T-DNA | 36172 | www.SeedGenes.orgc | ||||
| bio1-3 | T-DNA | 46455 | www.SeedGenes.orgc | ||||
| BIO3 | bioD | At5g57600 | DTB | bio3-1 | T-DNA | RATM53-2665-1G | This article |
| bio3-2 | T-DNA | RATM53-3000-1G | This article | ||||
| bio3-3 | T-DNA | SALK_023399 | This article | ||||
| BIO2 | bioB | At2g43360 | Biotin | bio2-1 | EMS | emb49 | Patton et al. (1998) |
| bio2-2 | T-DNA | GABI_100C11 | Arnal et al. (2006) |
a
Genes are listed in order of their function in the pathway.
b
Not applicable (NA) because no mutants have been identified.
c
Refer also to McElver et al. (2001) and Tzafrir et al. (2004).