# Discovery and Genome Annotation of Actinobacteriophages RazzB and SwissCheezer Isolated From Soil in Southwestern Pennsylvania **Authors:** Christina H. Zagorac, Jacky Abbdoush, Abraham X. Chieng, Madison L. Cottle, Ashley N. Giles, Zoey E. Hughes, Rebecca L. Huss, Kaprice Johnson, David Lachance, Jeramiah L. McDermott, Paige A. Phillips, Ryan Ritson, Jenna Sonnie, Tristan H. Todd, Jessica K. Wallace, Julia E. Wilson, Sarah J. Swerdlow, Jennifer R. Ingram PMC · DOI: 10.17912/micropub.biology.001995 · 2026-03-10 ## TL;DR This paper describes the discovery and genome analysis of two new bacteriophages found in soil in Pennsylvania. ## Contribution The study reports the isolation and genomic characterization of two novel actinobacteriophages, RazzB and SwissCheezer. ## Key findings - RazzB infects Arthrobacter globiformis and has a 69,522 bp genome with 127 predicted protein-coding genes. - SwissCheezer infects Microbacterium foliorum and has a 53,956 bp genome with 54 predicted protein-coding genes. ## Abstract Bacteriophages RazzB and SwissCheezer were isolated from soil in southwestern Pennsylvania. RazzB is a cluster AP siphovirus infecting  Arthrobacter globiformis B-2979 and contains a 69,522 bp genome with 65.8% GC content, 127 predicted protein-coding genes and no tRNAs. SwissCheezer is a cluster EK phage with a podovirus morphology infecting Microbacterium foliorum NRRL B-24224 and contains a 53,956 bp genome with 60.0% GC content and 54 predicted protein-coding genes. ## Linked entities - **Species:** Arthrobacter globiformis (taxon 1665), Microbacterium foliorum (taxon 104336) ## Figures 1 figure with captions in the complete paper: https://tomesphere.com/paper/PMC13014141/full.md --- Source: https://tomesphere.com/paper/PMC13014141