title: Gut reactions: Eosinophils add another string to their bow.
abstract: Eosinophils are found in abundance in the gut. In this issue of Immunity, Chu et al. (2014) report that eosinophil-deficient mice have impaired intestinal immunoglobulin A production, accompanied by a disrupted mucosal layer and alterations in microbiota density and composition.
authors.affiliation: Laboratory of Intestinal Immunology, École Polytechnique Fédérale de Lausanne EPFL, Global Health Institute, Station 19, Lausanne 1015 Switzerland.
authors.forename: Duncan B
authors.initials: DB
authors.lastname: Sutherland
authors.affiliation: Laboratory for Mucosal Immunity, Center for Integrative Medical Sciences (IMS-RCAI), RIKEN Yokohama Institute, 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan. Electronic address: sidonia-f@rcai.riken.jp.
authors.forename: Sidonia
authors.initials: S
authors.lastname: Fagarasan
mesh_terms: D000818:Animals; D003713:Dendritic Cells / Q000276:immunology*; D004804:Eosinophils / Q000378:metabolism*; D007422:Intestines / Q000276:immunology*; D010950:Plasma Cells / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*