Figure 4 | Scientific Reports

Figure 4

From: Europe-wide reassessment of Dictyocoela (Microsporidia) infecting native and invasive amphipods (Crustacea): molecular versus ultrastructural traits

Figure 4

Light micrographs of Giemsa-stained (A–D) and fresh (E,H,F) smears. (A) Diplokaryotic merozoite of Dictyocoela muelleri from Pontogammarus robustoides (B) Sporogonial plasmodia and mature octospores of Dictyocoela roeselum from Gammarus balcanicus. (C) Merogonial plasmodium with two diplokaryotic nuclei (arrow), sporonts with four and eight nuclei (beginning of second sporontal division) and mature octospores of D. berillonum from P. robustoides. (D) Mature spores of D. muelleri from D. haemobaphes. (E,F) Live spores of D. roeselum from G. balcanicus (E), D. muelleri from P. robustoides (H), and D. duebenum from Echinogammarus berilloni (F). Scale bars: 4.9 µm (D); 5.2 µm (B,C); 5.8 µm (E,F); 6.5 µm (H).

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