Organism	Genes	References
Geobacillus stearothermophilus	alaD	[293, 296, 297, 298, 140, 208]
Lysinibacillus fusiformis	alaD	[299, 295]
Bacillus cereus	ald	[298]
Bacillus subtilis	ald	[298]
Mycobacterium smegmatis	ald	[298]