Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
A new study shows that, in mice, motile commensal bacteria are prevented from crossing the mucosal barrier by the TLR5-induced production of anti-flagellin antibodies, which both immobilize the bacteria and downregulate flagellar gene expression.
A study in patients with rheumatoid arthritis shows a potential role of the gut bacteriumPrevotella copriin the development of this autoimmune disease.
This study shows that binding of leukotoxin ED to the chemokine receptors CXCR1 and CXCR2 on neutrophils is crucial forStaphylococcus aureuspathogenesis.