CD79A and infection: Investigations of potential alterations of IgA-bacterial binding have been a starting point to study different diseases, including Inflammatory Bowel Disease (IBD; Palm et al., 2014; Viladomiu et al., 2017; Kabbert et al., 2020; Rengarajan et al., 2020; Shapiro et al., 2021), postmenopausal breast cancer (Goedert et al., 2018), allergy (Dzidic et al., 2017), and pathogen infections (Džunková et al., 2016).