Answers are grounded in this paper and cite their sources.
Three groups of nomenspecies of the genus Bifidobacterium were distinguished by the different mobility of their fructose-6-phosphate phosphoketolase in starchgel electrophoresis; there is apparently a close relatedness between electrophoretic type of phosphoketolase and habitat.
No takes yet. Share an insight, caveat, or question.
Scardovi et al. (1971) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: