Graphical abstract (IMAGE) Science China Press Caption This graphical abstract includes metagenomic sequencing of natural fermented dairy products and whole-genome sequencing of isolated strains. Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.