Table 1 Summary of studies exploring fungal organisms and their morphology in association with the host as commensals, opportunistic pathogens or pathogens in relation to disease outcomes in rodent models

From: The role of the mycobiome in host physiology and disease: insights from rodent models

Fungal organism

Scientific classification (phylum, class)

Morphologies

Interaction with mammalian host

Disease relation

Alternaria spp.

Ascomycota, Dothideomycetes

Mold, hyphae

Commensal

−Increased abundance in the inflamed gastrointestinal tract18

Aspergillus amstelodami

Ascomycota, Eurotiomycetes

Mold, hyphae

Opportunistic pathogen

−Increased the severity of allergic airway disease17

Aspergillus spp.

Ascomycota, Eurotiomycetes

Mold-like, hyphae

Commensal, opportunistic pathogen, pathogen

−Enriched in diabetic rats41

−Increased after ethanol administration46

−Accelerated oncogenesis51

Candida albicans

Ascomycota, Saccharomycetes

Yeast and hyphae

Commensal, opportunistic pathogen

−Hepatocarcinogenesis59

−Protected against induced colitis20

Candida glabrata

Ascomycota, Saccharomycetes

Yeast or yeast-like

Opportunistic pathogen

−Worsening of induced colitis22

Candida parapsilosis

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal, opportunistic pathogen

−Enhanced diet-induced obesity36

Candida spp.

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal, opportunistic pathogen

−Increased abundance in the inflamed gastrointestinal tract18

−Delayed colitis healing process29

−Enriched in diabetic rats41

Candida tropicalis

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal, opportunistic pathogen

−Reduced during antifungal treatment17

−Colorectal cancer55

Cryptococcus spp.

Basidiomycota, Tremellomycetes

Yeast or yeast-like

Pathogen

−Reduced abundance in the inflamed gastrointestinal tract18

−Enriched during metformin treatment39

Dipodascaceae

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Enriched during Alzheimer’s disease63

Epicoccum nigrum

Ascomycota, Dothideomycetes

Mold, hyphae

Commensal

−Increased severity of allergic airway disease17

Fusarium spp.

Ascomycota, Sordariomycetes

Hyphae

Commensal, opportunistic pathogen

−Enriched during metformin treatment39

−Increased after ethanol administration (alcoholic liver disease)46

Humicola spp.

Ascomycota, Sordariomycetes

Hyphae

Opportunistic pathogen

−Increased after ethanol administration (alcoholic liver disease)46

Isaatchenkia spp.

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Enriched in diabetic rats41

Malassezia spp.

Basidiomycota, Malasseziomycetes

Yeast-like

Commensal, opportunistic pathogen

−Accelerated oncogenesis51

Meyerozyma guilliermondii

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Increased after ethanol administration (alcoholic liver disease)47

Naganishia globosa

Basidiomycota, Tremellomycetes

Yeast-like

Opportunistic pathogen

−Enhanced diet-induced obesity36

Penicillium spp.

Ascomycota, Eurotiomycetes

Mold, hyphae

Commensal

−Reduced during antifungal treatment17

Phialemonium spp.

Ascomycota, Sordariomycetes

Hyphae

Opportunistic pathogen

−Reduced abundance in the inflamed gastrointestinal tract18

Saccharomycetales spp.

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Reduced abundance in the inflamed gastrointestinal tract18

−Decreased during metformin treatment39

Saccharomyces cerevisiae

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Protected against induced colitis20

Saccharomyces cerevisiae var. boulardii

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Reversed aspects of colitis30

Tetrapisispora spp.

Ascomycota, Saccharomycetes

Yeast

Commensal

−Enriched during metformin treatment39

Thermothielavioides spp.

Ascomycota, Sordariomycetes

Hyphae

Opportunistic pathogen

−Enriched during metformin treatment39

Wallemia sebi

Basidiomycota, Wallemiomycetes

Mold, hyphae

Commensal

−Increased severity of allergic airway disease17

−Reduced abundance in the inflamed gastrointestinal tract18

Wickerhamomyces spp.

Ascomycota, Saccharomycetes

Yeast or yeast-like

Commensal

−Increased abundance in the inflamed gastrointestinal tract18

Wolfiporia cocos

Basidiomycota, Agaricomycetes

Hyphae

Commensal

−Reduced hepatic stress after mycobiome disruption47