How to cite: Liu, J. J., Jing, R. Y. and Wang, G. H. (2021). Genetic Diversity of the Major Capsid Genes (g23) of T4-type Bacteriophages in Soil and Water Environments. // Microbiome Protocols eBook. Bio-101: e2003526. DOI: 10.21769/BioProtoc.2003526.