Table 1.

Motifs of cytokine receptors found in the fibronectin domains of bifidobacteria belonging to different species and phylogenetic groups.

Species	Source of Isolation	Motifs of Cytokine Receptors		Class	Phylogenetic Group According to [8]
		1st FN3 Domain	2nd FN3 Domain
B. adolescentis	Human	WS-DS	WS-PS	I	B. adolescentis
B. catenulatum_catenulatum	Human	WS-ES	WS-PS	I
B. catenulatum_kashiwanohense	Human	WS-ES	WS-PS	I
B. dentium	Human	WS-PS	WS-PS	I
B. moukalabense	Monkey	WS-PS	WS-PS	I
B. pseudocatenulatum	Human	WS-ES	WS-PS	I
B. ruminantium	Cow	WS-ES	WS-PS	I
B. boum	Cow	WS-ES	WS-PS	I	B. boum
B. porcinum	Pig	WS-ES	WS-PS	I
B. thermacidophilum	Soy whey	WS-ES	WS-PS	I
B. thermophilum	Pig	WS-ES	WS-PS	I
B. pullorum_gallinarum	Chicken	Both the PFNA cluster and the gene encoding FN3 are absent			B. pullorum
B. pullorum_ saeculare	Rabbit
B. pullorum_ pullorum	Chicken
B. asteroides	Bee	WS-AS	SG-VA	II	B. asteroides
B. actinocoloniiforme	Bumblebee	WS-PS	SG-AA	II
B. coryneforme	Bee	WS-AS	AG-AR	III
B. indicum	Insect	WS-AS	AG-AR	III
B. longum_infantis	Human	WS-PS	WS-ES	I	B. longum
B. longum_longum	Human	WS-PS	WS-ES	I
B. longum_suis	Pig	WS-PS	WS-ES	I
B. breve	Human	WS-AS	WS-ES	I
B. aesculapii	Monkey	WS-ES	DG-SA	IV
B. stellenboschense	Monkey	WS-DS	DG-GA	IV
B. angulatum	Human	WS-YS	SG-QA	II
B. merycicum	Cow	WS-YS	SG-QA	II
B. psychraerophilum	Pig	The gene encoding FN3 is absent			B. psychraerophilum
B. aquikefiri	Kefir
B. crudilactis	Milk
B. bifidum	Human	WS-PS	EG-PS	I	B. bifidum
B. biavatii	Monkey	WS-PS	VG-HG	V
B. scardovii	Blood	WS-PS	DG-PG	IV
B. animalis_animalis	Rat	WS-DS	AS-PS	III	B. pseudolongum
B. animalis_lactis	Milk	WS-DS	AS-PS	III
B. pseudolongum_pseudolongum	Pig	WS-SS	TG-PS	VI
B. pseudolongum_globosum	Cow	WS-SS	TG-PS	VI
B. choerinum	Pig	WS-SS	Domain absent	VII
B. cuniculi	Rabbit	DS-WS	Domain absent	VII
B. gallicum	Human	VS-PS	Domain absent	VIII
B. bombi	Bumblebee	WS-PS	DG-VS	IV	B. bombi
B. commune	Bumblebee	WS-PS	DG-VS	IV
B. tissieri	Marmoset monkey	WS-PS	DG-EA	IV	B. tissieri
B. vansinderenii	Bare-faced marmoset	WS-PS	DG-EA	IV
B. catulorum	Marmoset monkey	WS-PS	DG-EG	IV
B. primatium	Bare-faced marmoset	WS-PS	DG-EG	IV