AUTHOR=Cordero Hector , Perdiguero Pedro , Zorn Emmanuel TITLE=Editorial: B cell heterogeneity in the single-cell era JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.1112849 DOI=10.3389/fimmu.2022.1112849 ISSN=1664-3224