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Figure 1 in Morphological, histological and molecular characteristics of Myxobolus spp. (Cnidaria: Myxozoa) infecting the kidney of silver carp in Lake Taihu

Figure 1. Spores of Myxobolus lieni (Nie & Li, 1973) (A–B) and M. varius (Achmerov, 1960) (C–D) from Hypophthalmichthys molitrix, line drawings. Scale bars = 2 μm.

Figure 2 in Morphological, histological and molecular characteristics of Myxobolus spp. (Cnidaria: Myxozoa) infecting the kidney of silver carp in Lake Taihu

Figure 2. Spores of Myxobolus lieni (Nie & Li, 1973) (A–B) and M. varius (Achmerov, 1960) (C–D) from Hypophthalmichthys molitrix, digitized images. Scale bars = 10 μm.

Figure 3 in Morphological, histological and molecular characteristics of Myxobolus spp. (Cnidaria: Myxozoa) infecting the kidney of silver carp in Lake Taihu

Figure 3. Histopathological sections of Hypophthalmichthys molitrix kidney infected by Myxobolus spp. A–C. M. lieni (Nie & Li, 1973), in the renal tubules; D. M. varius (Achmerov, 1960), in the renal interstitium. Arrows indicate the plasmodia which contains 2–4 mature myxospores. Scale bars = 10 μm.

Figure 4 in Morphological, histological and molecular characteristics of Myxobolus spp. (Cnidaria: Myxozoa) infecting the kidney of silver carp in Lake Taihu

Figure 4. Bayesian inference trees constructed with the SSU rDNA sequences. Numbers near the nodes shows the posterior probability and bootstrap values of BI and maximum likelihood (ML), respectively. Information of GenBank accession number, infection site, host and locality follows the species name. Abbreviations: B—brain; E—encephalocoele; F—fin; G—gills; GA—gill arch; GL— capillary network of the gill lamellae; H—heart; I—intestine; K—kidney; M—mesentery; MP- palate of the mouse; MC—muscle cells; SB—swim bladder; UB—urinary bladder.

Fig. 2 in Two new Myxobolus spp. (Myxozoa: Myxobolidae) from white bream, Blicca bjoerkna (Linnaeus, 1758) developing in basifilamental location of gills

Fig. 2. Schematic illustration of Myxobolus spp. myxospores. a – M. bjoerknae sp. n. in frontal view, b – in sutural view; c – M. lamellobasis sp. n. in frontal view, d – in sutural view. Scale bar: 10 µm.

Fig. 3 in Two new Myxobolus spp. (Myxozoa: Myxobolidae) from white bream, Blicca bjoerkna (Linnaeus, 1758) developing in basifilamental location of gills

Fig. 3. Histological section of the cartilaginous gill arch of white bream. p – plasmodium of Myxobolus bjoerknae sp. n., c – cartilaginous base of the filaments, f – gill filament, ct – connective tissue; arrows indicate gill lamellae. Haematoxylin and eosin staining (H & E). Scale bar: 100 µm.

Fig. 1. a in Two new Myxobolus spp. (Myxozoa: Myxobolidae) from white bream, Blicca bjoerkna (Linnaeus, 1758) developing in basifilamental location of gills

Fig. 1. a – spores of Myxobolus bjoerknae sp. n. infecting the cartilaginous gill arch in frontal view; inset: spores in sutural view; b – spores of M. lamellobasis sp. n. from the base of the gill filaments in frontal view; inset: spores in sutural view. Scale bars: 10 µm.

Fig. 5 in Two new Myxobolus spp. (Myxozoa: Myxobolidae) from white bream, Blicca bjoerkna (Linnaeus, 1758) developing in basifilamental location of gills

Fig. 5. Phylogenetic tree generated by Bayesian inference (GTR + I + Γ model) based on a 1613 bp-long alignment of 18S rDNA sequences of 43 myxosporean taxa. New Myxobolus spp. sequences are in bold. Ceratomyxa shasta was chosen as outgroup. Posterior probabilities are shown at nodes. NCBI accession numbers are in brackets.

Fig. 2 in Data on Ten New Myxosporean Parasites (Myxozoa, Myxosporea, Bivalvulida) from the Yellow Sea, China

Fig. 2. Schematic illustrations of Ceratomyxa kareus sp. n. A–L – from Kareius bicoloratus; M–N – from Zebrias zebra; A–D – lateral view of mature spore; E–F, N – plasmodia with two spores; G–J – earlier stage plasmodia; K – plasmodium with one spore; L–M – plasmodia with mature spores. Scale bars: 10 µm.

Fig. 3 in Data on Ten New Myxosporean Parasites (Myxozoa, Myxosporea, Bivalvulida) from the Yellow Sea, China

Fig. 3. Schematic illustrations of Ceratomyxa spp. A–E – Ceratomyxa lomi sp. n.; A – mature spore viewed from the perspective of the capsule; B–D – lateral view of mature spore; E – plasmodium with two mature spores; F–J – Ceratomyxa lateolabrax sp. n.; F – plasmodium with two spores; G–J – lateral view of mature spore; K–N – Ceratomyxa qingdaoensis sp. n.; K–L, N – showing a lateral view of a mature spore; M – lateral view of an immature spore. Scale bars: 10 µm.

Fig. 1 in Data on Ten New Myxosporean Parasites (Myxozoa, Myxosporea, Bivalvulida) from the Yellow Sea, China

Fig. 1. Schematic illustrations of three myxosporean species. A–E – Sphaerospora sebasta sp. n.; A – mature spore from a frontal view; B–C – spore viewed from the perspective of the capsule; D – spore from a sutural view; E – spore from an oblique sutural view; F–H – Ceratomyxa sebastisca sp. n., showing mature spores with coarse sporoplasm; I–O – Ceratomyxa hemitriptera sp. n.; I–J – mature spore from a lateral view; K–L – plasmodium with one mature spore; M–N – early stage plasmodium with one developing spore; O – plasmodium with one developing spore from a capsule view. Scale bars: 10 µm.

Fig. 5 in Data on Ten New Myxosporean Parasites (Myxozoa, Myxosporea, Bivalvulida) from the Yellow Sea, China

Fig. 5. Microphotographs of myxosporean species. A–B – Sphaerospora sebasta sp. n.; C – Ceratomyxa sebastisca sp. n.; D–E – Ceratomyxa hemitriptera sp. n.; F–H – Ceratomyxa kareus sp. n.; I–J – Ceratomyxa lomi sp. n. Scale bars: 10 µm.

Fig. 4 in Data on Ten New Myxosporean Parasites (Myxozoa, Myxosporea, Bivalvulida) from the Yellow Sea, China

Fig. 4. Schematic illustrations of Ceratomyxa spp. A–G – Ceratomyxa saurida sp. n.; A–D, G – lateral view of mature spore; E – lateral view of abnormal spore; F – lateral view of immature spore; H–L – Ceratomyxa simplex sp. n.; H, J – lateral view of mature spore; I – immature spore viewed from the perspective of the capsule; K–L – plasmodia with one spore; M–T – Ceratomyxa triacantha sp. n.; M–N, P – plasmodia with two spores; O, Q – early stage plasmodia with many nuclei; R–T – sutural view of mature spores. Scale bars: 10 µm.

Fig. 3 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 3. Histology of Schulmania aenigmatosa infection. (A-C) Schulmania aenigmatosa infection in excretory system of Hippoglossoides platessoides. (A) Early plasmodial stages localised in ureter as seen in histological section stained with HE. (B) Advanced plasmodial stages filling urinary bladder. Giemsa stained stage (inserted). (C) Semithin section stained with toluidine blue documents numerous plasmodial stages attached to the wall of urinary bladder. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 6 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 6. Ultrastructure of Zschokkella siegfriedi infection. (A–C) Details of ultrastructure of Zschokkella siegfriedi as seen in transmission electron microscope. (A) Early developmental stage (EDS) localised within epithelium of renal tubule. Epithelial cells (EC) differ substantially in electron-density due to differences in density of mitochondria. Arrows mark basal membrane of renal tubule, NEC nucleus of epithelial cells, M mitochondria. (B) Almost mature spore in longitudinal section. VC valvogenic cell, NVC nucleus of VC, CC capsulogenic cells, NCC nucleus of CC, S sporoplasm, NS nucleus of S, PPF primordium of polar filament, M mitochondria. C. Valves (V), the polar capsule wall (PCW), and some sections of the polar filament coils.

Fig. 1 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 1. Mature spores and plasmodia. (A-N) Myxospores and myxosporean plasmodial stages as seen in Nomarski differential interference contrast. Measurements are listed in Table 1. (A) Mature spore of Ceratomyxa porrecta. (B) Spores of Schulmania aenigmatosa with focus on polar capsules (left) and sinuous valve suture (right). (C) Plasmodial stages (left) and mature spore of Parvicapsula irregularis (right). (D) Mature spores of Parvicapsula petuniae. (E) Mature spore of Myxidium gadi. (F) Mature spore of Myxidium finnmarchicum. (G, H) Spores of Sinuolinea arctica in frontal (G) and sutural (H) view. (I, J) Plasmodial stages of Zschokkella siegfriedi. (K) Mature spores of Zschokkella siegfriedi. (L) Plasmodial stage of Latyspora-like organism. (M, N) Latyspora-like organism spores with focus on polar capsules and part of valve suture, respectively.

Fig. 10 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 10. The histology of kidney infected with Latyspora-like organism. (A–B) Advanced stage of Latyspora-like organism infection in renal tubules of Clupea harengus. (A) Epithelium in infected segments of renal tubules consisting of cells with pyknotic nuclei suggestive of cellular necrosis. (B) Early stage of epithelial disintegration. (C) Loss of integrity of epithelium due to advanced necrotic changes. Basophilic remnants seen in necrotic epithelium indicate hypertrophy of some nuclei. (D) Hypertrophy of renal corpuscles containing foreign material in Bowman's spaces was observed but cannot be solely associated with Latyspora-like organism infection.

Fig. 5 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 5. Histology of Zschokkella siegfriedi infection. (A–C) Zschokkella siegfriedi infection in renal tubules of Boreogadus saida as seen in semithin sections stained with toluidine blue. (A) Infected segment of renal tubule with plasmodial stages in its lumen and densely stained cells in its epithelial lining. (B) Advanced plasmodial stages and amorphous material completely filling the lumen of renal tubule. All epithelial cells are densely stained. (C) Almost mature spores localised in the lumen of renal tubule. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 2 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 2. Ultrathin section of almost mature spore of Schulmania aenigmatosa with lateral wings (LW) typical for the genus. CC capsulogenic cell, CC with polar capsule (left).

Fig. 11 in Myxozoa in high Arctic: Survey on the central part of Svalbard archipelago

Fig. 11. Maximum likelihood tree (-ln = 18360.2248) based on 52 SSU rDNA myxosporean sequences available in GenBank and newly obtained data (in bold blue colour) belonging to the marine urinary clade. Numbers at the nodes represent the bootstrap values and the Bayesian posterior probability (ML/MP/BI) gaining more than 50% support (ML and MP) and 0.5 posterior probability (BI), respectively. Bold branches lead to a node with a bootstrap support of À95 and a Bayesian posterior probability of À0.97. Scale bar is given under the tree. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)