Data Accessibility

The Apibacter genome sequences in this study are available under NCBI Bioproject accession PRJNA578212.
Supplementary Datasets:
Dataset S1. List of genome sequence deposition and strain collection sites.
Dataset S2. List of Apibacter specific gene families gain and loss and COG category abbreviations.
Dataset S3. Distribution of CAZy genes according to three groups and PULs similarities among Apibacter group.
Dataset S4. Distribution of amino acid biosynthesis genes distributions.
Dataset S5. List of sublineage specific gene families.