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7 results for “Prostomatida”
Figure 7. A in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 7. A, putative secondary structure of V9 region of small subunit ribosomal RNA (SSU rRNA) gene of 18 representative species. The major differences are indicated by shading. B, the unique sites of the alignment of SSU rRNA gene sequences for the two groups. Group 1 contains Prostomatida and Trimyemidae; group 2 contains Apsiktratidae and some representative prorodontids.
Figure 3 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 3. Platina marina gen. nov., sp. nov. from life (A–L), after protargol staining (M, O–R) and after 4ʹ,6-diamidino-2-phenylindole (DAPI) staining (N). A, ventral view of a representative individual, showing general appearance of body. B, the caudal cilium (arrow). C, H, I, lateral view, showing shape variants and transverse bulge located on dorsal side (arrowheads). D–G, ventral view, showing shape variants. J, K, compressed individuals, showing the silverline system of the ventral side (arrows) and dorsal side (arrowheads), and perioral cilia (double arrowheads). L, silverline system of the dorsal side. M, N, showing the macronucleus and micronucleus (arrow). O, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (arrowhead) and perioral kineties (arrow). P, the dividing line between the ventral side and the dorsal side, showing the only transverse row of kinetids on the dorsal side (arrowhead). Q, R, side view of the holotype specimen, showing ciliary pattern of the cell, circumoral kinety (arrowheads) and the only transverse row of kinetids on the dorsal side (arrow) except for perioral kineties. Scale bars: 25 μm in A–I; 10 μm in Q, R.
Figure 6 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 6. Maximum likelihood (ML) tree inferred from small subunit ribosomal RNA (SSU rRNA) gene sequences, showing the phylogenetic positions of the three newly sequenced species (bold font). Numbers near the nodes represent the ML bootstrap values and Bayesian inference (BI) posterior probabilities, respectively. Fully supported (100/1.00) branches are marked with filled circles. Asterisks (*) indicate disagreements between the ML and BI trees. The scale bar corresponds to five substitutions per 100 nucleotide positions.
Figure 2 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 2. Platina marina gen. nov., sp. nov. from life (A, F, G) and after protargol staining (B–E, H). A, ventral view of a representative individual, showing general appearance of body. B, C, dorsal (C) and ventral (B) side view of the holotype specimen, showing ciliary pattern of the cell, circumoral kinety (arrows) and the gap (arrowhead) in circumoral kinety. D, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (CK), perioral kineties (PK) and the only transverse row of kinetids on the dorsal side (arrowhead). E, showing the dividing line (arrow) between ventral side and dorsal side. F, lateral view (a) and ventral side view (b) of the same specimen, showing dorsoventrally flattened body and transverse bulge located on the dorsal side (arrowhead). G, silverline system of dorsal side. H, silverline system of ventral side. I, a schematic diagram of an apical view of the cell, showing the circumoral kinety (double arrowhead), perioral kineties (arrowheads) and the only transverse row of kinetids on the dorsal side (arrow). Scale bars: 15 μm.
Figure 1 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 1. Maps showing the location and photographs showing the appearance of the sampling sites. A, location of Qingdao and sampling sites. B, photograph of intertidal area near Zhanqiao Pier where Parametacystis pulchra gen. nov., sp. nov. and Platina marina gen. nov., sp. nov. were collected. C, photograph of a small pond in Taipingjiao Park where Apsiktrata gracilis was collected. S, salinity; T, temperature.
Figure 4 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 4. Drawing (A–E) and photomicrographs (F–L) of Parametacystis pulchra gen. nov., sp. nov. from life (A, D, F–H) and after protargol staining (B, C, E, I–L). A, lateral view of a representative individual, showing general appearance of body and protruding caudal vacuole (arrow). B, C, side view of the holotype specimen, showing ciliary pattern of the cell and circumoral kinety (arrowheads). D, showing the pattern of the silverline system and cortical granules. E, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (CK) and the perioral kineties (PK). F, showing the protruding caudal vacuole (arrow). G, lateral view of a slightly contracted individual, showing the furrows in ectoplasm (arrowheads). H, compressed individual, showing the pattern of the silverline system and cortical granules (arrows). I, lateral view of holotype specimen, showing ciliary pattern and macronucleus (Ma). J, showing the macronucleus and micronucleus (arrow). K, L, showing the circumoral kinety (arrowheads) and perioral kineties (arrows). Scale bars: 20 μm.
Figure 5 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 5. Drawing (A–H) and photomicrographs (I–Q) of Qingdao population of Apsiktrata gracilis from life (A, E, F, H–L, N), after protargol staining (B–D, O–Q) and after silver nitrate staining (G, M). A, lateral view of a typical individual, showing general appearance of the body, circumoral cilia (arrowheads) and caudal cilium (arrow). B, C, side view, showing the somatic kineties and circumoral kinety (arrow). D, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (CK) and the collar on the oral basket (arrow). E, side view of cell, showing the distribution of rod-shaped extrusomes (arrows) in the cortex. F, shape variants. Arrowheads show the contractile vacuole. G, silverline system. H, distribution of extrusomes (arrowhead). I, lateral view of a typical cell, showing the body shape. J, collar on oral basket (arrowhead) and contractile vacuole (arrow). K, the distribution of kinetosomes (arrows) and extrusomes (arrowheads). L, distribution of the extrusomes (arrows). M, the silverline system. N, showing the shape of the oral basket. O, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (arrow). P, macronucleus and micronucleus (arrow). Q, showing the extrusomes (arrowheads). Scale bars: 25 μm.
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