What’s in a name? The changing Lactobacillus nomenclature

One thing scientists can agree on is that the Lactobacillus genus is too heterogeneous. It does not conform to taxonomic conventions. The genome sizes of included species range from 1.23Mb (L. sanfranciscensis) to 4.91 Mb (L. parakefiri). The G+C content … Continue reading

Probiotics May Reduce Antibiotic Prescriptions for Children

We often hear probiotics criticized that they “don’t do anything for healthy people.” This admonition ignores data, which I’ve disputed (see past post). And a new, open-access meta-analysis suggests another possible benefit of probiotics for healthy people: probiotic administration is … Continue reading

Dead bacteria – despite potential for benefit – are NOT probiotics

At the 2018 International Scientific Association of Probiotics and Prebiotics (ISAPP) meeting in Singapore, two renowned speakers reported unpublished research documenting the health benefits of dead bacteria. Prof. Hill showed that an inactivated Lactobacillus strain reduced anxious behavior, reduced cortisol … Continue reading