Phages are viruses of bacteria and have been known for over a century. They do not have a metabolism or protein synthesis machinery and rely on host cells for replication. The model organism Bacillus subtilis has served as a host strain for decades and enabled the isolation of many unique viral strains. However, many viral species representatives remained orphans as no, or only a few, related phages were ever re-isolated. The presented protocol describes how a CRISPR-Cas9 system with an artificial CRISPR-array can be set up and used to discriminate abundant and well-known B. subtilis phage from a host-based metagenome enrichment. The obtained viral suspension can be used for metagenome sequencing and isolating new viral strains.
CITATION STYLE
Kohm, K., Lutz, V. T., Friedrich, I., & Hertel, R. (2023). CRISPR-Cas9 Shaped Viral Metagenomes Associated with Bacillus subtilis. In Methods in Molecular Biology (Vol. 2555, pp. 205–212). Humana Press Inc. https://doi.org/10.1007/978-1-0716-2795-2_15
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