Table 1.

Bifidobacterium species used to examine effects of neonatal colonization on mammalian neurodevelopment.

Species/Strain designations	BSL	Relevant features	Growth Conditions	Source
Bifidobacterium longum subsp. infantis ATCC 15697 Strain: S12	1	-Isolate from human infant intestine -Genome assembled and annotated	Anaerobic, MRS plates and liquid medium, 37°C	ATCC
Bifidobacterium bifidum ATCC 29521 Strain: VPI 11241 [Ti]	1	-Isolate from human infant feces -Genome assembled and annotated	Anaerobic, MRS plates and liquid medium, 37°C	ATCC
Bifidobacterium dentium ATCC 27678 Strain: B757	1	-Isolate from human infant feces -Genome assembled and annotated	Anaerobic, MRS plates and liquid medium, 37°C	ATCC
Bifidobacterium breve ATCC 15698 Strain: S50 variant a	1	-Isolate from human infant intestine -Genome assembled and annotated	Anaerobic, MRS plates and liquid medium, 37°C	ATCC

BSL = Biosafety Level.

MRS = Man, Rogosa and Sharpe medium.

Anaerobic gas mix = 80% N₂, 10% CO₂, 10% H₂.

ATCC = American Type Culture Collection.