Table 5.

Bacteria that produce melatonin, as reported by Que et al. [92].

Bacteria Type	Reference	Comments (See Text)
Cyanobacteria,	[95]	Comment A
Rhodospirillum rubrum	[95,96]	Comments A & B
Bacillus cereus CS-17	[97]	Comment C
Ensifer  sp. VA11,	[97]	Comment C
Pseudomonas  sp.	[97]	Comment C
Variovorax sp.	[97]	Comment C
Agrobacterium tumefaciens	[97]	Comment C
Bacillus amyloliquefaciens	[97]	Comment C
Bacillus thuringiensis	[97]	Comment C
Sphingomonas sp.	[97]	Comment C
Bifidobacterium breve,	[98]	Comment D
Lactobacillus brevis,	[98]	Comment D
Lactobacillus casei,	[98]	Comment D
Bifidobacterium longum,	[98]	Comment D
Enterococcus faecalis TH10,	[98]	Comment D
Lactobacillus acidophilus,	[98]	Comment D
Lactobacillus bulgaricus,	[98]	Comment D
Lactobacillus fermentum,	[98]	Comment D
Lactobacillus helveticus	[98]	Comment D
Lactobacillus plantarum ,	[98]	Comment D
Streptococcus thermophilus,	[98]	Comment D
Erythrobacter longus ,	[99]	Comment E

Color code: green: melatonin synthesis proven; orange: melatonin synthesis claimed (by patents); red: absence of melatonin synthesis reported.