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386 results for “Sea anemone”
Supplementary data for- Heat-evolved microalgae (Symbiodiniaceae) are stable symbionts and influence thermal tolerance of the sea anemone Exaiptasia diaphana
<p>Raw data and R codes for - Heat-evolved microalgae (Symbiodiniaceae) are stable symbionts and influence thermal tolerance of the sea anemone <em>Exaiptasia diaphana</em>. DOI: 10.1111/1462-2920.70011</p>
Data and code for: Acute heat priming promotes short-term climate resilience of early life stages in a model sea anemone
<p>Across diverse taxa, sublethal exposure to abiotic stressors early in life can lead to benefits such as increased stress tolerance upon repeat exposure. This phenomenon, known as hormetic priming, is largely unexplored in early life stages of marine invertebrates, which are increasingly threatened by anthropogenic climate change. To investigate this phenomenon, larvae of the sea anemone and model marine invertebrate <em>Nematostella vectensis</em> were exposed to control (18°C) or elevated (24°C, 30°C, 35°C, or 39°C) temperatures for 1 hour at 3 days post-fertilization (DPF), followed by return to control temperatures (18°C). The animals were then assessed for growth, development, metabolic rates, and heat tolerance at 4, 7, and 11 DPF. Priming at intermediately elevated temperatures (24°C, 30°C, or 35°C) augmented growth and development compared to controls or priming at 39°C. Indeed, priming at 39°C hampered developmental progression, with around 40% of larvae still in the planula stage at 11 DPF, in contrast to 0% for all other groups. Total protein content, a proxy for biomass, and respiration rates were not significantly affected by priming, suggesting metabolic resilience. Heat tolerance was quantified with acute heat stress exposures, and was significantly higher for animals primed at intermediate temperatures (24°C, 30°C, or 35°C) compared to controls or those primed at 39°C at all time points. To investigate a possible molecular mechanism for observed changes in heat tolerance, the expression of heat shock protein 70 (HSP70) was quantified at 11 DPF. Expression of HSP70 significantly increased with increasing priming temperature, with the presence of a doublet band for larvae primed at 39°C, suggesting persistent negative effects of priming on protein homeostasis. Interestingly, primed larvae in a second cohort cultured to 6 weeks post-fertilization continued to display hormetic growth responses, whereas benefits for heat tolerance were lost; in contrast, negative effects of short-term exposure to extreme heat stress (39°C) persisted. These results demonstrate that some dose-dependent effects of priming waned over time while others persisted, resulting in heterogeneity in organismal performance across ontogeny following priming. Overall, these findings suggest that heat priming may augment the climate resilience of marine invertebrate early life stages via the modulation of key developmental and physiological phenotypes, while also affirming the need to limit further anthropogenic ocean warming.</p>
Microbiome depletion and recovery in the sea anemone, Aiptasia, following antibiotic exposure
<p>This provides data for the manuscript Microbiome depletion and recovery in the sea anemone, Aiptasia, following antibiotic exposure; 16smetadata.xlsx file used for in the DADA2 pipeline is provided, and the CFU count data is provided in cfu-counts-2022-01-20-modified.csv. The data for total protein content, pedal lacerate counts and algal abundance can all be found in the physio-2022-01-20.csv with the associated dataset (i.e. protein, algae, pedal lacerates) specified in the variable column.</p>
FIG. 10 in Two new deep-sea species of burrowing anemones (Cnidaria: Actiniaria: Edwardsiidae) from Whittard Canyon off the southwestern coast of Ireland
FIG. 10. Phylogenetic reconstruction from maximum likelihood analysis using focused dataset of 18S sequences for members of Suborder Anenthemonae. Colored lines represent actiniarian suborders; dashed boxes represent Anenthemonae superfamilies. Bootstrap resampling values indicated above branches; only support values>50% are shown.
Figure 5 in New distributional records of Actiniarian sea anemones from Andaman and Nicobar Islands
Figure 5. Cnidocysts of Diadumene leucolena [a. Spirocyst (G) from tentacle; b. Large basitrich from tentacle; c. Microbasic amastigophores from tentacles; d. Small basitrich from Mesenterial filaments; e. Large basitrich from Mesentrial filaments; f. Microbasic p- mastigophore from Mesentrial filaments; g. Spirocyst (G) from Mesentrial filaments; h. Basitrich from Actinopharynx; i. Spirocysts (G) from Actinopharynx; j. Microbasic amastigophores from Actinopharynx; k. Basitrich from Acontia; l. Microbasic p- mastigophore from Acontia].
Figure 2 in New distributional records of Actiniarian sea anemones from Andaman and Nicobar Islands
Figure 2. Actinodendron arboreum [a. Actinodendron arboreum in sandy bottom; b. Branched tentacle of A. arboreum; c. Acrospheres].
Figure 1 in New distributional records of Actiniarian sea anemones from Andaman and Nicobar Islands
Figure 1. Map showing area in which new records of sea anemones found in Andaman and Nicobar Islands.
Figure 6 in New distributional records of Actiniarian sea anemones from Andaman and Nicobar Islands
Figure 6. Cross section of Diadumene leucolena [a. Middle portion of column showing mesenteries; b. Non-muscular gametogenic region of fertile mesenteries; c. Weak basilar muscles].
Figure 4 in New distributional records of Actiniarian sea anemones from Andaman and Nicobar Islands
Figure 4. Diadumene leucolena [a. Diadumene leucolena in live condition; b. Capitulum and scapus in live condition; c; Specimen in preserved condition; d. Capitulum and scapus in preserved condition; e. Mouth; f. Cinclides].
Figure 3 in New distributional records of Actiniarian sea anemones from Andaman and Nicobar Islands
Figure 3. Cnidocysts of A. arboretum [a. Spirocyst (G) from tentacle; b. Long basitrich from tentacle; c. Basitrich from acrospheres d. Spirocysts from acrospheres; e. Microbasic p- mastigophore from acrospheres; f. Basitrich from column; g. Spirocyst from column].
Fig. 8 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 8. Onisimus turgidus (Sars, 1879), ♀, 10 mm, Ullsfjorden (100 m depth) (TSZCr8573). Head, backbody, pereopods 1–2. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 2. Onisimus normani Sars, 1890 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 2. Onisimus normani Sars, 1890, ♀, 10 mm, Korsfjorden, Norway (TSZCr8659). Pereopods 2, 3 and 4, uropods 1, 2 and 3, antenna 1 and 2. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 5 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 5. Onisimus turgidus (Sars, 1879), syntype, ♀, 15 mm, Barents Sea (F1764). Pereopods 2–3, uropods 2–3, telson. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 1. Onisimus normani Sars, 1890 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 1. Onisimus normani Sars, 1890, ♀, 10 mm, Korsfjorden, Norway (TSZCr8659). Head, mouthparts (l mandible, lower lip, maxilla 1, maxilla 2, maxilliped), telson. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 10 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 10. Onisimus turgidus (Sars, 1879), ♀, 10 mm, Ullsfjorden (100 m depth) (TSZCr8573). Pereopods 5–7. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 7 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 7. Onisimus turgidus (Sars, 1879), ♀, 10 mm, Ullsfjorden (100 m depth) (TSZCr8573). Mouthparts (r and l mandible, lower lip, maxilla 1, maxilla 2, maxilliped), uropod 1. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 9 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 9. Onisimus turgidus (Sars, 1879), ♀, 10 mm, Ullsfjorden (100 m depth) (TSZCr8573). Antennae 1–2, pereopods 3–4, epimeral plates 1–3, uropod 3, telson. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 6 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 6. Onisimus turgidus (Sars, 1879), ♀, 15 mm, Barents Sea (F1764). Pereopods 4–7. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 3. Onisimus normani Sars, 1890 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 3. Onisimus normani Sars, 1890, ♀, 10 mm, Korsfjorden, Norway (TSZCr8659). Pereopods 1, 5, 6 and 7, uropod 2, epimeral plates 1–3. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
Fig. 4 in Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
Fig. 4. Onisimus turgidus (Sars, 1879), syntype, ♀, 15 mm, Barents Sea (F1764). Antenna 1–2, pereopod 1, epimeral plates 1–2, uropod 1. Abbreviations: see Material and methods. Scale bars = 0.1 mm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.