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177 results for “Enoplidae”
Fig. 2 in Analysis of major sperm proteins in two nematode species from two classes, Enoplus brevis (Enoplea, Enoplida) and Panagrellus redivivus (Chromadorea, Rhabditida), reveals similar localization, but less homology of protein sequences than expected for Nematoda phylum
Fig. 2 Western blot analysis of MSP in P. redivivus. In adult animals, MSP is detected as double band with approximate weight 15 and 16 kDa. a Both male and female samples reveal MSP signal, because the latter include mated females. α-Tubulin was used as a loading control (approximate weight 55 kDa). b Analysis of young males and females. MSP is not detected in females, because most of them are unmated. Abbreviations: m, males; f, females
Fig. 3 in Analysis of major sperm proteins in two nematode species from two classes, Enoplus brevis (Enoplea, Enoplida) and Panagrellus redivivus (Chromadorea, Rhabditida), reveals similar localization, but less homology of protein sequences than expected for Nematoda phylum
Fig. 3 Schematic representation of P. redivivus spermatozoa based on transmission electron microscopy. a Morphology of immature and mature spermatozoa. Immature spermatozoon is an unpolarized cell with nucleus devoid of nuclear envelope, mitochondria, and membranous organelles. Mature spermatozoon in female reproductive system is a bipolar cell with anterior pseudopodium and posterior main cell body containing chromatin, mitochondria, and membranous organelles that attached to cell membrane and open to the exterior via pores. Reproduced from Zograf (2014) with the permission from copyright holder (Russian Journal of Nematology). b Chain of conjugated mature spermatozoa in female reproductive system. Abbreviations: N, nucleus; mt, mitochondria; mo, membranous organelles; ch, nuclear chromatin; ps, pseudopodium; mcb, mail cell body
Fig. 1 in Analysis of major sperm proteins in two nematode species from two classes, Enoplus brevis (Enoplea, Enoplida) and Panagrellus redivivus (Chromadorea, Rhabditida), reveals similar localization, but less homology of protein sequences than expected for Nematoda phylum
Fig. 1 Phylogeny of nematodes and MSP-based sperm motility. Phylogenetic relationships within phylum Nematoda derived primarily from SSU rDNA sequence data are given according to De Ley and Blaxter (2002). Suborders of the order Rhabditida, in which representatives highly homologous MSPs are found at DNA, RNA, or protein levels, are marked by underlining. Taxa whose species used in this study are marked with asterisks. Orders Trefusi- ida, Isolaimida, Dioctophyma- tida, Muspiceida, Marimermith- ida, and Desmoscolecida are not shown in this tree
Fig. 8 in Analysis of major sperm proteins in two nematode species from two classes, Enoplus brevis (Enoplea, Enoplida) and Panagrellus redivivus (Chromadorea, Rhabditida), reveals similar localization, but less homology of protein sequences than expected for Nematoda phylum
Fig. 8 Putative MSPs those are most similar to peptide antigen. a P. redivivus MSPs aligned with peptide antigen. Protein sequences (Pan_g61.t1, Pan_g6018.t1, Pan_g6424.t1, Pan_g9068.t1, Pan_ g19433.t1, and Pan_g21178.t1) were found by Blast using peptide
Fig. 4 in Analysis of major sperm proteins in two nematode species from two classes, Enoplus brevis (Enoplea, Enoplida) and Panagrellus redivivus (Chromadorea, Rhabditida), reveals similar localization, but less homology of protein sequences than expected for Nematoda phylum
Fig. 4 Immunolocalization of MSP in P. redivivus sperm. a Immature spermatozoa extracted from male. MSP localizes in granules. In some cells, MSP has strongest signals in the periphery (arrowheads) (scale bar 10 µm). b Chain of mature spermatozoa extracted from female.
Figure 4 in Two new species of Enoplida (Nematoda) from the Yellow Sea, China
Figure 4. Bathylaimus huanghaiensis sp. nov. (A) lateral view of male head end, showing threejointed cephalic setae; (B) lateral view of female head end, showing two sections of buccal cavity; (C) lateral view of male head end, showing subspiral amphid; (D) lateral view of male head end, showing buccal cavity and a distinct dorsal teeth; (E) lateral view of male tail, showing spicules and gubernaculum; (F) lateral view of male body part, showing spicules and gubernaculum; (G) lateral view of female body, showing eggs and ovary; (H) lateral view of male body.
Figure 1 in Two new species of Enoplida (Nematoda) from the Yellow Sea, China
Figure 1. Adoncholaimus chinensis sp. nov. (A) lateral view of male anterior body part, showing pharynx and excretory cell; (B) lateral view of male tail end, showing spicules, gubernaculum and circumcloacal setae; (C) lateral view of female tail; (D) lateral view of male head end, showing buccal cavity, teeth, amphid and excretory pore.
Figure 3 in Two new species of Enoplida (Nematoda) from the Yellow Sea, China
Figure 3. Bathylaimus huanghaiensis sp. nov. (A) lateral view of male anterior body part, showing pharynx and nerve ring; (B) lateral view of male head end, showing three-jointed cephalic setae, buccal cavity, dorsal teeth and amphid; (C) lateral view of male tail end, showing spicules, gubernaculum and tail setae; (D) lateral view of female tail, showing three caudal glands.
FIGURE 4. M in Two new species of Enoplolaiminae (Enoplida: Thoracostomopsidae) from Río Negro and Chubut, Argentina
FIGURE 4. M. flagellatum sp. n. Line drawings. A. Cephalic sense organs on anterior end of male holotype; B. Cephalic sense organ on female paratype; C. Buccal cavity and mandibles of male holotype; D. Buccal cavity and mandibles of female paratype; E. Posterior end of male holotype; F. Vulva and gonadal apparatus of female paratype; G. Posterior end of female paratype; H. Detail of precloacal organ in male holotype; I. Copulatory apparatus, spicules and gubernaculum of male holotype. Scale bar: 1= 20 μm; 2= 100 μm.
FIGURE 5. M in Two new species of Enoplolaiminae (Enoplida: Thoracostomopsidae) from Río Negro and Chubut, Argentina
FIGURE 5. M. flagellatum sp. n. Micrographs of slide mounted specimens. A. Cephalic sense organs on female paratype; B. Cephalic sense organs of male holotype; C. Buccal cavity and mandibles of female paratype; D. Mandibles and onchia on male paratype; E. Mandibles and onchia in female paratype; F. Vulva opening in female paratype; G. Detail of gubernaculum of male paratype; H. Lateral view of precloacal organ, gubernaculum and spicules of male holotype. Scale bar: 1= 20 μm.
FIGURE 3. E. variispiculum n in Two new species of Enoplolaiminae (Enoplida: Thoracostomopsidae) from Río Negro and Chubut, Argentina
FIGURE 3. E. variispiculum n. sp. Micrographs of slide mounted specimens. A. Buccal cavity and mandibles of male holotype; B. Cephalic sense organs on anterior end of male holotype; C. Vulva opening in subventral view of female paratype; D. Onchia in female paratype; E. Onchia in male paratype; F. Posterior end of female paratype; G. Cephalic sense organs on female paratype; H. Cardia and muscular esophagus in male holotype; I. Subventral view of copulatory apparatus, spicule and gubernaculum of male paratype; J. Lateral view of left spicule, gubernaculum and tail of male holotype; K. Lateral view of right spicule, gubernaculum and tail of male holotype. Abbrev: Ca = Cardia; Mb = Mandible; O = Onchia; V = Vulva. Scale bar: 1 = 20 μm.
FIGURE 2. E. variispiculum n in Two new species of Enoplolaiminae (Enoplida: Thoracostomopsidae) from Río Negro and Chubut, Argentina
FIGURE 2. E. variispiculum n. sp. Line drawings. A. Cephalic sense organs on anterior end of male holotype; B. Cephalic sense organs on female paratype; C. Buccal cavity and mandibles of male holotype; D. Copulatory apparatus, spicules and gubernaculum of male holotype; E. Buccal cavity and mandibles of female paratype; F. Entire female paratype showing vulva and gonadal apparatus; G. Posterior end of male holotype; H. Posterior end of female paratype. Scale bar: 1 = 20 μm; 2 and 3 = 100 μm.
FIGURE 1 in Two new species of Enoplolaiminae (Enoplida: Thoracostomopsidae) from Río Negro and Chubut, Argentina
FIGURE 1. Map showing the study sites. Map of sampling areas: A. "San Antonio Oeste river estuary" beach, Río Negro Province; B. "El Límite" beach, Chubut Province.
FIGURE 1 in Analysis of primary structure loops from Hairpins 35 and 48 of the Nematoda SSU rRNA gene provides further evidence that the genera Tripylina Brzeski, 1963, Trischistoma Cobb, 1913 and Rhabdolaimus de Man, 1880 are members of Enoplida
FIGURE 1. Localisation of synapomorphic molecular traits in 18S r RNA genes of Enoplida. A. Fragments of alignments of aligned gene sequences corresponding to SSU rRNA regions of hairpins 35 and 48. Presumed synapomorphies of Trichistoma, Tripylina and other Enoplida are marked and given a dark background. B. Secondary structures of Hairpin 35 of Loricera foveata. C. Secondary structures of Hairpin 35 of Trischistoma and Tripylina. Arrowed, 1280 A → G substitution. D. Secondary structures of Hairpin 48 of Loricea foveata. E. Secondary structures of Hairpin 48 of Trischistoma and Tripylina. Arrowed: 1820 G → Y substitution.
FIGURE 2. Bayesian tree inferred from LSU gene DNA sequences. Posterior probabilities exceeding 50 in A new species of the genus Tripylina Brzeski, 1963 (Nematoda: Enoplida: Trischistomatidae) from Shanxi province, China
FIGURE 2. Bayesian tree inferred from LSU gene DNA sequences. Posterior probabilities exceeding 50% are given on appropriate clades. Nematode species and GenBank numbers are listed for each taxon.
FIGURE 4. Tripylina puxianensis n in A new species of the genus Tripylina Brzeski, 1963 (Nematoda: Enoplida: Trischistomatidae) from Shanxi province, China
FIGURE 4. Tripylina puxianensis n. sp. A: Pharyngeal region, lateral view, DT=Dorsal tooth, AM=Amphid, VCS=ventromedian cervical seta. B: Cardial region (arrowed). C: Genital region. V=vulva, DE=debris in intestine. D: Tail region. E: Tail terminus. Scale bars: A, B, D =20 µm; C, E =10 µm.
FIGURE 1. Bayesian tree inferred from SSU gene DNA sequences. Posterior probabilities exceeding 50 in A new species of the genus Tripylina Brzeski, 1963 (Nematoda: Enoplida: Trischistomatidae) from Shanxi province, China
FIGURE 1. Bayesian tree inferred from SSU gene DNA sequences. Posterior probabilities exceeding 50% are given on appropriate clades. Nematode species and GenBank numbers are listed for each taxon.
FIGURE 3 in A review of the genus Litinium Cobb, 1920 (Nematoda: Enoplida: Oxystominidae) with descriptions of four new species from two contrasting habitats
FIGURE 3. Litinium curticauda sp. n., holotype male. A: entire; B: anterior body; C: anterior end; D: posterior end. Arrow indicates a longitudinal slit in the cuticle where cephalic seta is inserted (lo.sl.). Scale bars: A 500 µm; B 100 µm; C, D 20 µm.
FIGURE 6 in A review of the genus Litinium Cobb, 1920 (Nematoda: Enoplida: Oxystominidae) with descriptions of four new species from two contrasting habitats
FIGURE 6. Pictorial guide for valid Litinium species. Caricatured images of species taken from published descriptions: abyssorum—orig.; aequale—Gerlach, 1958; bananum—Gerlach, 1956; curticauda—orig.; obtusilobus—Bussau, 1993; parmatum—Wieser, 1954; profundorum—orig.; quangi—orig.; subterraneum—Tchesunov et al., 2010; volutum—Gerlach, 1962.
FIGURE 5 in A review of the genus Litinium Cobb, 1920 (Nematoda: Enoplida: Oxystominidae) with descriptions of four new species from two contrasting habitats
FIGURE 5. Litinium profundorum sp. n., holotype male. A: entire; B: anterior body; C: anterior end; D: posterior body. Arrow indicates the internal thickened cuticular layer (int.thick.cut.) in the tail terminus. Scale bars: A 200 µm; B 100 µm; C, D 10 µm.
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