Complete genome sequence of <i>Actinomyces oris</i> strain MG-1: an oral commensal critical for dental plaque formation

<i>Actinomyces oris</i> MG-1 is a key oral commensal involved in dental plaque formation. We report its complete genome sequence, generated using Illumina and Oxford Nanopore sequencing. The genome consists of a single circular chromosome of 3,042,829 bp, providing a resource for future functional studies.