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Macrophages have long been regarded as the main target encountered by Salmonella typhimurium, a Gram-negative facultative intracellular pathogen that invades the intestinal mucosa. S. typhimurium,(More)
The hallmark of a mucosal immune response is the production of antigen-specific secretory IgA (S-IgA) antibodies in external secretions. S-IgA consists of ten polypeptides produced in two different(More)