Table 1.
Some characteristics of certain microsporidian species included in Clade V (Marinosporidia).
| Genus [References] | Hosts, lifecycle environment and localities | Main characteristics of spores | GenBank data |
|---|---|---|---|
| Cucumispora dikerogammari Ovcharenko, Bacela, Wilkinson, Ironside, Rigaud & Wattier, 2010 [10] | Dikerogammarus villosus (Amphipoda), Freshwater, Saone River (France), and Oder River and Zegrzynski Reservoir (Poland) | Elongated, diplokaryotic, 3.82 × 2.21 μm (fresh), 3.74 × 1.91 (Giemsa stained) | GQ258752.1 |
| Polar tube: isofilar, 6–8 coils in a single layer | |||
| Absence of SPV | |||
| Hyperspora aquatica Stentiford, Ramilo, Abollo, Kerr, Bateman, Feist, Bass & Villalba, 2017 [18] | Hyperparasite of Marteilia collichia (Paramyxida) in the marine mollusc Cerastoderma edule, Ría de Arousa (Spain) | Spherical to ellipsoid, uninucleated, 1.2 × 1.0 μm | KX364284.1 |
| Polar tube: isofilar, 4 coils in a single layer | |||
| Absence of SPV | |||
| Myospora metanephrops Stentiford, Bateman, Small, Moss, Shields, Reece & Tuck, 2010 [17] | Metanephrops challengeri (Decapoda), Marine, Auckland Islands (New Zealand) | Elongated, diplokaryotic, 4.3–6 × 1.7–2.3 μm (glutaraldehyde fixed) | HM140499.1 |
| Polar tube: isofilar, 11 coils in a single layer | |||
| Absence of SPV | |||
| Paradoxium irvingi Stentiford, Ross, Kerr, Bass & Bateman, 2015 [19] | Pandalus montagi (Decapoda), Marine, North Sea (UK) | Oval, uninucleated, 1.93 × 1.07 μm (glutaraldehyde fixed) | KU163282.1 |
| Polar tube: isofilar, 6–8 coils | |||
| Absence of SPV | |||
| Thelohania butleri Johnston, Vernick & Sprague, 1978 [2] | Pandalus jordani (Decapoda), Marine, Vancouver Island (Canada) | Ovoid, uninucleated, 3.95–5.56 × 2.92–3.95 μm (ethanol fixed), 3.25–3.82 × 1.93–2.50 μm (glutaraldehyde fixed)Polar tube: isofilar, 13 coils in two layersPresence of SPV | DQ417114.1 |
| Toguebayea baccigeri n. gen., n. sp. [present study] | Hyperparasite of adult Bacciger israelensis (Digenea, Faustulidae) in the marine fish Boops boops, Tunisia | Ovoid, uninucleated, 2.5 × 1.4 μm (glutaraldehyde fixed) | MZ413057 |
| Polar tube: isofilar, 8–10 coils in one and more frequently two layers | |||
| Absence of SPV |
SPV, sporophorous vacuole.