Table 3.

Intracellular porphyrin patterns observed in different bacteria

Bacterial species	Intracellular porphyrins	Ref.
P. acnes	Coproporphyrin	(Ashkenazi et al., 2003)
H. pylori	Coproporphyrin, protoporphyrin	(Hamblin et al., 2005)
P. intermedia	Coproporphyrin, protoporphyrin	(Soukos et al., 2005)
P. nigrescens	Uroporphyrin, heptacarboxyl porphyrin, protoporphyrin	(Soukos et al., 2005)
P. melaninogenica	Coproporphyrin, uroporphyrin, protoporphyrin	(Soukos et al., 2005)
P. gingivalis	Coproporphyrin	(Soukos et al., 2005)