Fig 1.
Representative protist symbionts that are part of the human gut eukaryome: (A) Stramenopile Blastocystis hominis; (B) diplomonadid Enteromonas hominis; (C) retortamonadid Retortamonas intestinalis; (D) trichomonadid Pentratrichomonas hominis; (E) tritrichomonadid Dientamoeba fragilis; (F) retortamonadid Chilomastix mesnili; (G) amoebozoans Entamoeba hartmani; (H) Endolimax nana; (I) Entamoeba coli; (J) Entamoeba dispar; (K) coccidian Isospora belli; (L) amoebozoan Iodamoeba buetschli; (M) microsporidian Encephalitozoon cuniculi; (N) ascomycete Candida albicans. Magnification is to the same scale (scale bar = 5 μm). Living cells (A,J–M), protargol-stained cells (B–D,F), trichrome-stained cell (E), Giemsa-stained cell (G), iodine-stained cell (H), and Gomori trichrome-stained cell (I). Pictures were kindly provided by K. Jirků-Pomajbíková (A,I,L), Ivan Čepička (B,C,E,F) (Charles University, Prague), Jaroslav Kulda (D) (Charles University, Prague), Marianne Lebbad (G,H) (Public Health Agency, Solna, Sweden), Martin Kostka (I) (University of South Bohemia, České Budějovice), Jiří Vávra (K) (Charles University, Prague), Martin Kváč and Bohouš Sak (M) (Institute of Parasitology, České Budějovice), and Miroslav Kolařík (N) (Institute of Microbiology, Prague).