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"MUC1 is a receptor for the Salmonella SiiE adhesin that enables apical invasion into enterocytes"

Salmonella invades intestinal HT29-MTX cells that express MUC1. A confluent monolayer of HT29-MTX cells strained with DAPI (blue) expressing transmembrane mucin MUC1 (green) was infected with Salmonella (red) from the apical surface. Salmonella attaches and invades at sites of high MUC1 expression using the giant adhesin SiiE. Li et al. (2019).

Image Credit: Xinyue Li, Department of Infectious Diseases and Immunology, Utrecht University, The Netherlands. Image was collected at the Centre for Cell Imaging (CCI) at the Faculty of Veterinary Medicine.