![IJMS | Free Full-Text | Microbial and Genetic Resources for Cobalamin (Vitamin B12) Biosynthesis: From Ecosystems to Industrial Biotechnology IJMS | Free Full-Text | Microbial and Genetic Resources for Cobalamin (Vitamin B12) Biosynthesis: From Ecosystems to Industrial Biotechnology](https://www.mdpi.com/ijms/ijms-22-04522/article_deploy/html/images/ijms-22-04522-g002.png)
IJMS | Free Full-Text | Microbial and Genetic Resources for Cobalamin (Vitamin B12) Biosynthesis: From Ecosystems to Industrial Biotechnology
Simple Happy Kitchen - B12 is produced by bacteria found in soil as well as in the guts of animals and humans, but in order for the bacteria to make B12, the
![Over supplementation with vitamin B12 alters microbe-host interactions in the gut leading to accelerated Citrobacter rodentium colonization and pathogenesis in mice | Microbiome | Full Text Over supplementation with vitamin B12 alters microbe-host interactions in the gut leading to accelerated Citrobacter rodentium colonization and pathogenesis in mice | Microbiome | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs40168-023-01461-w/MediaObjects/40168_2023_1461_Figa_HTML.png)