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846 results for “homologs”
Figure 2 in On the homology of the posteriormost gill arch in polypterids (Cladistia, Actinopterygii)
Figure 2. Polypterus bichir, copula and right gill arches in ventral (above) and dorsal (below) views, reproduced from Allis (1922). Note decreasing size of dorsal gill arch elements from first to third arch.
Figure 1 in On the homology of the posteriormost gill arch in polypterids (Cladistia, Actinopterygii)
Figure 1. Polypterus bichir, skull in lateral view and copula and right ventral gill arches in ventral view, reproduced from Müller (1846). Note presence of only four gill arches.
Figure 5 in The ontogeny and homology of the Weberian apparatus in the zebrafish Danio rerio (Ostariophysi: Cypriniformes)
Figure 5. Illustration of the differentiating saddle-shaped complex cartilage from a dorsolateral aspect (LU F.082313, 10.5 mm SL). Associated neural arches are not shown. Anterior to the left.
Figure 3 in The ontogeny and homology of the Weberian apparatus in the zebrafish Danio rerio (Ostariophysi: Cypriniformes)
Figure 3. Complex cartilage and neural arch three association in (A). Cleared and stained specimen (LU F.082315, 4.9 mm SL) and (B) histological transverse section (LU F.082320, 5.7 mm TL).
Figure 4 in The ontogeny and homology of the Weberian apparatus in the zebrafish Danio rerio (Ostariophysi: Cypriniformes)
Figure 4. Photomicrograph of transverse section through (A) occipital region showing the connective tissue perineural tube surrounding the neural tube (LU F.082320, 5.7 mm TL). (B) Photograph of vertebra one showing the developing fibrocartilage pad (LU F.082320, 5.7 mm TL).
Figure 1 in The ontogeny and homology of the Weberian apparatus in the zebrafish Danio rerio (Ostariophysi: Cypriniformes)
Figure 1. Weberian apparatus of Opsariichthys bidens. Modified from Fink & Fink (1981). Bone is stippled and cartilage is shaded black. Anterior to the left.
Figure 5 in Ontogeny and homology of the basipterygoid articulation in Pantodon buchholzi (Teleostei: Osteoglossomorpha)
Figure 5. SEMs of parasphenoid (A, B) and endopterygoid (C, D) of 57.0 mm Pantodon buchholzi. A, ventral view. B, posterior and slightly ventral view. C, posterior and slightly medial view on the internal face. D, dorsal view of the articular groove.
Figure 1 in Ontogeny and homology of the basipterygoid articulation in Pantodon buchholzi (Teleostei: Osteoglossomorpha)
Figure 1. Left hyopalatine arch of 4.2 mm Pantodon buchholzi, lateral view. Note clear separation of palatoquadrate and pars hyomandibularis.
Figure 3 in Ontogeny and homology of the basipterygoid articulation in Pantodon buchholzi (Teleostei: Osteoglossomorpha)
Figure 3. Neurocranium and left hyopalatine arch of Pantodon buchholzi, ventral view. A, 5.3 mm. B, 7.0 mm (parasphenoid tooth arrowed). C, 11.5 mm. D, 13.5 mm. E, 17.5 mm. F, 57.0 mm.
Screen of Arabidopsis mutants homologous to Cowpea GWAS peaks
<p>This dataset was collected for T-DNA insertion mutants of Arabidopsis that were selected based on the sequence homology with the candidate genes in cowpea (<em>Vigna unguiculata</em>) identified through GWAS for drought induced changes in growth, evapotranspiration and photosynthetic efficiency. The T-DNA insertion lines were germinated on agar plates and transferred to soil - where the seedlings were exposed to drought stress (10% soil water-holding capacity). </p>
Fig. 2 in The mandibular gnathal edges: Homologous structures throughout Mandibulata?
Fig. 2. Scutigerina weberi [Scutigeromorpha: Scutigeridae], right mandible. Scales 100 m (A–E), 10 m (F–H). A. Gnathal edge, anterior view of Haarpolster (Hp), with pars incisivus divided into pectinate lamellae (pl) and cluster of teeth (t). B. Pectinate lamellae. C. Gnathal edge, medial view. D. Haarpolster (Hp), medial view, showing molar plate (mp). E. Haarpolster, anterior view. F–G. Details of molar plate in Haarpolster, medial view. H. Detail of anterior edge of molar plate in Haarpolster, anterior view.
Fig. 5 in The mandibular gnathal edges: Homologous structures throughout Mandibulata?
Fig. 5. Mandibular gnathal edge in Crustacea. A–B. Remipedia. C–H. Branchiopoda, medial views. A–B. Speleonectes cf. tulumensis [Speleonectidae], left mandible, anterior and posterior views, respectively, scale 50 m. C–D. Branchinella pinnata [Anostraca, Thamnocephalidae], right mandible with enlargement of surface adjacent to mouth, scale 100 m. E–F. Limnadopsis birchii [Spinicaudata, Limnadiidae], left mandible showing posterior tooth (pt), with enlargement of surface opposite to mouth, scale 100 m. G. Cyclestheria hislopi [Cladoceromorpha, Cyclestheridae], right mandible, scale 50 m. H. Eurycercus glacialis [Cladocera, Chydoridae], right mandible, scale 100 m.
Fig. 1 in The mandibular gnathal edges: Homologous structures throughout Mandibulata?
Fig. 1. Mandibular gnathal edge in Myriapoda, showing limits of pars incisivus (pi) and pars molaris (pm). All are left mandibles. Species are Parascutigera sp. [Notostigmophora, scale 50 m], Cryptops spinipes [Pleurostigmophora, scale 50 m], Hanseniella sp. [Symphyla, scale 5 m], Unixenus mjobergi [Penicillata, scale 10 m] and Cladethosoma clarum [Chilognatha, scale 60 m]. The intermediate area (ia) is indicated in Diplopoda. The cladogram is depicted with Myriapoda monophyletic.
Fig. 4 in The mandibular gnathal edges: Homologous structures throughout Mandibulata?
Fig. 4. Mandibular gnathal edge in Diplopoda (A–C) and Hexapoda (D–H). A–B. Cladethosoma clarum [Polydesmida, Paradoxosomatidae]. Left mandible, gnathal edge, medial view and detail of molar plate, showing external tooth (et), internal tooth (it), pectinate lamellae (pl), molar plate (mp), intermediate area (ia) and anterior fringe (af), scales 100 m, 50 m. C. Unixenus mjobergi [Penicillata]. Right mandible, molar plate, anterior view showing serrate limbs (sensu Ishii 1988), scale 5 m. D. Ctenolepisma sp. [Zygentoma, Lepismatidae]. Right mandible, pars molaris, posterior view, scale 10 m. E–H, Nesomachilis howensis [Archaeognatha, Meinertellidae]. E– G. Left mandible. H. Right mandible. E. pars incisivus and pars molaris, anteromedial view, scale 50 m. F. pars molaris, medial view, scale 50 m. G–H. pars molaris, proximomedial and proximoposterior views, scales 10 m.
Fig. 6 in The mandibular gnathal edges: Homologous structures throughout Mandibulata?
Fig. 6. Mandibular gnathal edge in Malacostraca, showing pars incisivus (pi) and pars molaris (pm). A–B. Paranebalia sp. [Leptostraca, Paranebaliidae], left mandible, anterior (ventral) view, and pars molaris enlarged, distomedial view, scale 50 m. C–D. Meganyctiphanes norvegica [Euphausiacea, Euphausiidae], left (C) and right (D) mandibles, respectively, medial views, scales 100 m. E. Anaspides tasmaniae [Syncarida], left pars molaris, anteromedial view,scale 50 m. F. Peludo paraliotus [Isopoda, Phreatoicidea], left pars molaris, anterior view, scale 50 m. G. Gnathophausia zoea [Lophogastrida, Lophogastridae], right pars molaris, medial view, scale 100 m. H. Tethysbaena argentarii [Thermosbaenacea, Monodellidae], left pars molaris, medial view, scale 10 m.
Fig. 3 in The mandibular gnathal edges: Homologous structures throughout Mandibulata?
Fig. 3. Mandibular gnathal edge in Pleurostigmophora and Symphyla. All right mandibles except H. A–D, Lithobiomorpha; E–G, Scolopendromorpha; H, Symphyla. A–C. Paralamyctes cf. chilensis [Henicopidae]. A, B, gnathal edge, anterior and medial views, showing pectinate lamellae (pl), teeth (t) and Haarpolster (Hp), scales 50 m. C. Haarpolster and dorsalmost tooth, anterior view, scale 30 m. D. Lithobius obscurus [Lithobiidae]. Haarpolster (Hp) and dorsalmost tooth (t), medial view, scale 20 m. E. Cryptops spinipes [Cryptopidae]. Haarpolster (Hp) and dorsalmost tooth (t), medial view, scale 30 m. F. Ethmostigmus rubripes [Scolopendridae]. Haarpolster and dorsalmost tooth, medial view, scale 30 m. G. Alipes crotalus [Scolopendridae]. Haarpolster and dorsalmost teeth, anterior view, scale 50 m. H. Hanseniella sp. [Scutigerellidae]. Proximal part of pars molaris and cluster of spines (sp), medial view, scale 5 m.
Chemoproteomic identification of a DPP4 homolog in Bacteroides thetaiotaomicron
<p>Serine hydrolases play important roles in signaling and human metabolism, yet little is known about their functions in gut commensal bacteria. Using bioinformatics and chemoproteomics, we identify serine hydrolases in the gut commensal <em>Bacteroides thetaiotaomicron</em> that are specific to the Bacteroidetes phylum. Two are predicted homologs of the human protease dipeptidyl peptidase 4 (hDPP4), a key enzyme that regulates insulin signaling. Functional studies reveal that BT4193 is a true homolog of hDPP4 that can be inhibited by FDA-approved type 2 diabetes medications targeting hDPP4, while the other is a misannotated proline-specific triaminopeptidase. We demonstrate that BT4193 is important for envelope integrity and that loss of BT4193 reduces <em>B. thetaiotaomicron</em> fitness during <em>in vitro</em> growth within a diverse community. However, neither function is dependent on BT4193 proteolytic activity, suggesting a scaffolding or signaling function for this bacterial protease.</p>
A Study of Rucaparib Versus Physician's Choice of Therapy in Participants With Metastatic Castration-resistant Prostate Cancer and Homologous Recombination Gene Deficiency
ClinicalTrials.gov study NCT02975934. IPD Sharing: YES. Countries: 12. Publications: 3.
Valemetostat Tosylate (DS-3201b), an Enhancer of Zeste Homolog (EZH) 1/2 Dual Inhibitor, for Relapsed/Refractory Peripheral T-Cell Lymphoma (VALENTINE-PTCL01)
ClinicalTrials.gov study NCT04703192. IPD Sharing: YES. Countries: 12. Publications: 1.
A Study of Rucaparib in Patients With Metastatic Castration-resistant Prostate Cancer and Homologous Recombination Gene Deficiency
ClinicalTrials.gov study NCT02952534. IPD Sharing: YES. Countries: 12. Publications: 4.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.