The group of Ass. Prof. Takahiro ADACHI and colleagues at NAIST has observed that this effect occurs within 30 sec after addition of a B. natto culture and no effect is observed when adding lactic acid bacteria. The effect may be useful for evaluation of probiotics and supplements.
Nikkei Biotech January 30, 2017
Bacillus natto stimulates epithelial cells in the small intestine of mice: putative probiotics test?