Table 1.

Occurrence of SOR1 and the E. coli pyridoxine biosynthetic genes pdxA and pdxJ in organisms with completely sequenced genomes

Organism	SOR1	pdxA/J	Genome
Fungi
Saccharomyces cerevisiae	+	−	16  Mb
Archaebacteria
Methanococcus jannaschii	+	−	1.8 Mb
Pyrococcus horikoshii	+	−	2.0 Mb
Methanobacterium thermoautotrophicum	+	−	1.8 Mb
Archaeoglobus fulgidus	+	−	2.2 Mb
Eubacteria
Haemophilus influenzae	+	−	1.8 Mb
Bacillus subtilis	+	−	4.2 Mb
Mycobacterium tuberculosis	+	−	4.4 Mb
E. coli	−	+	4.6 Mb
Synechocystis	−	+	3.5 Mb
Helicobacter pylori	−	+	1.7 Mb
Aquifex aeolicus	−	+	1.5 Mb
Mycoplasma pneumoniae	−	−	0.8 Mb
Mycoplasma genitalium	−	−	0.6 Mb
Borrelia burgdorferi	−	−	1.0 Mb
Treponema pallidum	−	−	1.1 Mb
Chlamydia trachomatis	−	−	1.0 Mb
Rickettsia prowazekii	−	−	1.1 Mb
Animal
Caenorhabditis elegans	−	−	100 Mb