RT Journal Article SR Electronic T1 Achieving pan-microbiome biological insights via the dbBact knowledge base JF bioRxiv FD Cold Spring Harbor Laboratory SP 2022.02.27.482174 DO 10.1101/2022.02.27.482174 A1 Amnon Amir A1 Eitan Ozel A1 Yael Haberman A1 Noam Shental YR 2022 UL http://biorxiv.org/content/early/2022/07/28/2022.02.27.482174.abstract AB 16S rRNA amplicon sequencing provides a relatively inexpensive culture-independent method for studying the microbial world. Although thousands of such studies have examined diverse habitats, it is difficult for researchers to use this vast trove of experiments when analyzing their findings and interpret them in a broader context. To bridge this gap, we introduce dbBact, an open wiki-like bacterial knowledge base. dbBact combines information from hundreds of studies across diverse habitats, creating a collaborative central repository where 16S rRNA amplicon sequence variants (ASVs) are manually extracted from each study and assigned multiple ontology-based terms. Using the >900 studies of dbBact, covering more than 1,400,000 associations between 345,000 ASVs and 6,500 ontology terms, we show how the dbBact statistical and programmatic pipeline can augment standard microbiome analysis. We use multiple examples to demonstrate how dbBact leads to formulating novel hypotheses regarding inter-host similarities, intra-host sources of bacteria, and commonalities across different diseases, and helps detect environmental sources and identify contaminants.Competing Interest StatementThe authors have declared no competing interest.