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2,407 results for “Nematode”
Image 2. Helicotylenchus californicus Sher, 1966. A in Twelve species of nematodes: new records for India
Image 2. Helicotylenchus californicus Sher, 1966. A - Anterior end; B - Basal Knobs; C - Posterior end.
Figure 1. Zanenchus zanchus Siddiqi, 1979 A in Twelve species of nematodes: new records for India
Figure 1. Zanenchus zanchus Siddiqi, 1979 A - Anterior end; B - Posterior end. Helicotylenchus californicus Sher, 1966 C - Anterior end; D - Posterior end. Helicotylenchus densibullatus Siddiqi, 1972 E - Anterior end; F - Posterior end. Helicotylenchus minzi Sher, 1966 G - Anterior end; H - Posterior end. Helicotylenchus talonus Siddiqi, 1972 I - Anterior end; J - Posterior end. Neodolichorhynchus judithae (Andrássy, 1962) Jairajpuri & Hunt, 1984 K - Anterior end; L - Posterior end.
FIGURE 3. A in Steinernema apuliae sp. n. (Rhabditida: Steinernematidae): a new entomopathogenic nematode from southern Italy
FIGURE 3. A, SEM of first generation female of S. apuliae sp. n., head with 6 labial and 4 cephalic papillae; B, first generation female, Nomarski LM, tail with apical papillae or protuberance; C, SEM of first generation female, tail with apical papillae or protuberances; D, SEM of first generation female, lateral view of tail with conicallike tip and apical papilla or protuberance; E, second generation female, Nomarski LM, asymmetrical vulva; F, SEM of second generation female, asymmetrical vulva; G, SEM of second generation female, ventral view of tail with an apical protuberance; H, SEM of infective juvenile, lateral field with 8 identical ridges; I, infective juvenile, Nomarski LM, esophageal portion with excretory pore and hemizonid; L, infective juvenile, Nomarski LM, tail with hyaline portion.
FIGURE 2. A in Steinernema apuliae sp. n. (Rhabditida: Steinernematidae): a new entomopathogenic nematode from southern Italy
FIGURE 2. A, SEM second generation male of S. apuliae sp. n, dorsal view of posterior region of male and 2 pairs of adcloacal papillae (a and b), 3 pairs of papillae near tail tip; B, second generation male, Nomarski LM, esophagus and excretory pore; C, second generation male, Nomarski LM, mail tale with spicules and gubernaculum.
FIGURE 4 in Steinernema apuliae sp. n. (Rhabditida: Steinernematidae): a new entomopathogenic nematode from southern Italy
FIGURE 4. RFLP profiles for (A) Steinernema apuliae sp. n., (B) S. arenarium and (C) S. glaseri. M molecular weight markers (band sizes shown in base pairs); Sf, the ITS region from S. feltiae (UK site 76) digested with Alu I; lanes 1 to 17 the ITS region for each isolate digested with the following restriction enzymes; 1, Alu I; 2, BstO I; 3, Dde I; 4, EcoR I; 5, Hae III; 6, Hha I; 7, Hind III; 8, Hinf I; 9, Hpa II; 10, Kpn I; 11, Pst I; 12, Pvu II; 13, Rsa I; 14, Sal I; 15, Sau 3 A I; 16, Sau 96 I; 17, Xba I.
FIGURE 5. Steinernema guangdongense n in Steinernema guangdongense sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from southern China with a note on S. serratum (nomen nudum)
FIGURE 5. Steinernema guangdongense n. sp. Lightmicroscope photographs. AB, epiptygma of the first generation females. CD, tails of infective juveniles showing dorsal constriction (arrows), compared to no dorsal constriction in S. longicaudum in EF. G, mature female of the first generation with prominent postanal swelling. H, second generation female with longer tail. Scales: A, B = 18 μm, C = 24 μm, D = 22 μm, E, F = 22 μm.
FIGURE 6 in Steinernema guangdongense sp. n. (Nematoda: Steinernematidae), a new entomopathogenic nematode from southern China with a note on S. serratum (nomen nudum)
FIGURE 6. SEM photographs of Steinernema guangdongense n. sp. infective juvenile. AB, anterior region showing one lateral line, closed mouth (m), amphids (a) and cephalic (c) papillae. C, lateral field with 2 ridges (3 incisures). D, lateral field showing the change of lateral field pattern from 2 to 7 ridges. E, lateral field showing 7 ridges and the middle one (number 4) is divided into 2 making 8 ridges in lateral field. F, lateral field showing phasmid (p) and 7 ridges changing to 4 then 2. Scales: A = 6.67 μm, B = 5 μm, C = 8.60 μm, D F = 6.67 μm.
FIGURE 3. Phasmarhabditis bonaquaense n in Phasmarhabditis bonaquaense n. sp. (Nematoda: Rhabditidae), a new slug-parasitic nematode from the Czech Republic
FIGURE 3. Phasmarhabditis bonaquaense n. sp. light microscopy: Males A – B. A: male, tail region, lateral view; B: male, tail region, ventral view. Dauer juveniles C – D. C: DJs, tail region; D: DJs, head region.
FIGURE 2. Phasmarhabditis bonaquaense n in Phasmarhabditis bonaquaense n. sp. (Nematoda: Rhabditidae), a new slug-parasitic nematode from the Czech Republic
FIGURE 2. Phasmarhabditis bonaquaense n. sp. light microscopy: Females A – D. A: female, tail region, ventral view; B: female, tail region, lateral view; C: female, mid-body region with vulva; D: females, head region.
FIGURE 4. Phasmarhabditis bonaquaense n in Phasmarhabditis bonaquaense n. sp. (Nematoda: Rhabditidae), a new slug-parasitic nematode from the Czech Republic
FIGURE 4. Phasmarhabditis bonaquaense n. sp. scanning electron microscopy: Dauer juveniles A – B. A: DJs, head region with aphid (a) and lateral fields; B: DJs, tail region with anus, phasmid (p) and lateral fields. Females C – E. C: female, head region with labial papillae (lp), cephalic papillae (cp), small papilla-like protrusion (p) and amphid (a); D: female, tail region with phasmids (p), tail terminus broken; E: female, lateral fields. Males F. F: male, tail region with bursa and single papilla (s).
Figs 1–9 in Two new species of free-living nematodes (Nematoda) from Vietnam
Figs 1–9. Morphology of Monhistera vietnamica sp. nov. (1–5) and Brevitobrilus larae sp. nov. (6–9). 1, 6, entire body of female; 2, 7, head; 3, esophagus; 4, 8, vulval section; 5, 9, tail. Scale bars: 2, 7 – 5 µm; 3, 4, 5, 8, 9 – 20 µm; 1, 6 – 50 µm.
Newly identified nematodes from the Great Salt Lake are associated with microbialites and specially adapted to hypersaline conditions
<p>Extreme environments enable the study of simplified food-webs and serve as models for evolutionary bottlenecks and early Earth ecology. We investigated the biodiversity of invertebrate meiofauna in the benthic zone of the Great Salt Lake (GSL), UT, one of the most hypersaline lake systems in the world. The hypersaline bays within the GSL are currently thought to support only two multicellular animals: brine fly larvae and brine shrimp. Here, we report the presence, habitat, and microbial interactions of novel free-living nematodes. Nematode diversity drops dramatically along a salinity gradient from a freshwater river into the south arm of the lake. In Gilbert Bay, nematodes primarily inhabit reef-like organosedimentary structures built by bacteria called microbialites. These structures likely provide a protective barrier to UV and aridity, and bacterial associations within them may support life in hypersaline environments. Notably, sampling from Owens Lake, another terminal lake in the Great Basin that lacks microbialites, did not recover nematodes from similar salinities. Phylogenetic divergence suggests that GSL nematodes represent previously undescribed members of the family Monhysteridae – one of the dominant fauna of the abyssal zone and deep-sea hydrothermal vents. These findings update our understanding of halophile ecosystems and the habitable limit of animals.</p>
Parachromagasteriella arctica, sp. n. a, anterior part of the body 1 /12, ok. 3, × 600. b, tail 1 /12, ok. 3, × 600. in Terrestrial nematodes from Jan Mayen
Parachromagasteriella arctica, sp. n. a, anterior part of the body 1 /12, ok. 3, × 600. b, tail 1 /12, ok. 3, × 600.
Anguillulina intermedia de Man, ♂. a, anterior part of the body 1/12, ok. 3, × 450. b, tail 1/12, ok. 3, × 450. in Terrestrial nematodes from Jan Mayen
Anguillulina intermedia de Man, ♂. a, anterior part of the body 1/12, ok. 3, × 450. b, tail 1/12, ok. 3, × 450.
Prismatola imus dolichurus de Man. a. anterior end 1/12, ok. 3, × 450, b, tail obj. 7, ok. 3, × 270, in Terrestrial nematodes from Jan Mayen
Prismatola imus dolichurus de Man. a. anterior end 1/12, ok. 3, × 450, b, tail obj. 7, ok. 3, × 270,
Macfadyenia filicaudata,gen. et sp. n. a, anterior part of the body 1/12, ok. 3, × 450. b, tail obj. 7, ok. 3~ × 270 in Terrestrial nematodes from Jan Mayen
Macfadyenia filicaudata,gen. et sp. n. a, anterior part of the body 1/12, ok. 3, × 450. b, tail obj. 7, ok. 3~ × 270
Teratocephalus. crassidens de Man. a, anterior part of the body, oesoph, region 1/12, ok. 5, × 733. b, tail 1112, ok. 3, × 600. in Terrestrial nematodes from Jan Mayen
Teratocephalus. crassidens de Man. a, anterior part of the body, oesoph, region 1/12, ok. 5, × 733. b, tail 1112, ok. 3, × 600.
Plectus longicaudatus Bütschli. a, anterior end l / 12, ok. 5, × 550. b, tail ♀ l / 12, ok. 3, × 450. c, tail ♂ l / 12, ok. 3, × 450. in Terrestrial nematodes from Jan Mayen
Plectus longicaudatus Bütschli. a, anterior end l / 12, ok. 5, × 550. b, tail ♀ l / 12, ok. 3, × 450. c, tail ♂ l / 12, ok. 3, × 450.
Alaimus elegans de Man. α, anterior r i end, 1/ 12, ok. 3, x 600. b, tail obj. 7, ok. 3, x 360. c, region of the female organs obj. 7, ok. 3, x 3 6 0. in Terrestrial nematodes from Jan Mayen
Alaimus elegans de Man. α, anterior r i end, 1/ 12, ok. 3, x 600. b, tail obj. 7, ok. 3, x 360. c, region of the female organs obj. 7, ok. 3, x 3 6 0.
Rhabditis aspera Bütschli. a, anterior part of the body, cesoph, region 1/12, ok. 3, × 450. b, tail ♀ 1/12, ok. 3, × 450. c, tail ♂ 1/12, ok. 3, × 450. in Terrestrial nematodes from Jan Mayen
Rhabditis aspera Bütschli. a, anterior part of the body, cesoph, region 1/12, ok. 3, × 450. b, tail ♀ 1/12, ok. 3, × 450. c, tail ♂ 1/12, ok. 3, × 450.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.