Microbiome is a community of microorganisms (such as bacteria, fungi, and viruses) that inhabit a particular environment and especially the collection of microorganisms living in or on the human body.
Metagenomcis is the study of genetic material recovered directly from environmental samples. The broad field may also be referred to as environmental genomics, ecogenomics or community genomics.
1) Denovo sequencing
2) Amplicon sequencing
3) Metagenomic sequencing