"Traditionalists may ask, “… is Microbiome Sciences just Microbiology, Ecology, or Genomics?” The answer is no. It does not simply fit into any one of those boxes, but rather it is the nexus of those and several other fields, thereby making it a unique synthesis—an intricate composite of field, wet lab, theoretical, and computational work aimed at decoding microbial interactions with hosts and with each other"
https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3002420