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. Author manuscript; available in PMC: 2024 Sep 29.
Published in final edited form as: Annu Rev Virol. 2023 Apr 18;10(1):371–395. doi: 10.1146/annurev-virology-111821-115754

Figure 1.

Figure 1.

Components of the mammalian gastrointestinal tract (GIT) microbiota. The complex community of the GIT includes bacteria such as major phyla Bacteroidetes, Firmicutes, Actinobacteria, and Proteobacteria; archaea such as family Methanobacteriaceae; and fungi such as genera Candida, Saccharomyces, and Malassezia. Other eukaryotes such as helminths may also variably be present. Additionally, viruses that target these various microbes as well as viruses that directly target humans are critical components of the microbiota. Figure adapted from images created with BioRender.com.