Helicobacter heilmannii sensu lato: An overview of the infection in humans

Table 1 Natural hosts and characteristics of Helicobacter heilmannii s.l. species that infect humans

Species	Natural host	Length/width (μm)	Number and distribution of flagella	Periplasmatic fibrils	In vitro isolation from humans	Ref.
H. heilmannii s.l.
H. bizzozeronii	Cat, dog, fox ,lynx	5-10/0.3	10-20, bipolar	No	Yes	[17,42,81,106]
H. felis	Cat, dog, rabbit, cheetah	5-7.5/0.4	10-17, bipolar	Yes	Yes	[17,45,68,80]
H. heilmannii s.s.	Cat, dog, fox, lynx, non-human primates	3.0-6.5/0.6-0.7	4-10, bipolar	No	No	[15,17,82,106]
H. salomonis	Cat, dog, rabbit	5-7/0.8-1.2	10-23, bipolar	No	No	[17,43,106]
H. suis	Pig, non-human primates	2.3-6.7/0.9-1.2	4-10, bipolar	No	No	[17,44,83]
H. pylori		2.5-5.0/0.5-1.0	4-8, unipolar	No	Yes	[6]