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12 results for “Cassiopea”
Data for "Host starvation and in hospite degradation of algal symbionts shape the heat stress response of the Cassiopea-Symbiodiniaceae symbiosis"
<p>Raw data associated with the publication "Host starvation and in hospite degradation of algal symbionts shape the heat stress response of the Cassiopea-Symbiodiniaceae symbiosis". Temperature profile, daily measurements, physiological measurements, elemental analysis, NanoSIMS data, and cell density data are included as individual tabs in the Excel file. </p>
Data for "Symbiotic nutrient exchange enhances the long-term survival of cassiosomes, the autonomous stinging-cell structures of Cassiopea"
<p>Raw data linked to the publication "Symbiotic nutrient exchange enhances the long-term survival of cassiosomes, the autonomous stinging-cell structures of <em>Cassiopea".</em> NanoSIMS data and data from the survival experiments are available as individual tabs in the excel file.</p>
Non-invasive investigation of the morphology and optical properties of the upside-down jellyfish Cassiopea with optical coherence tomography
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Amoebocytes facilitate efficient carbon and nitrogen assimilation in the Cassiopea Symbiodiniaceae symbiosis
<p>The upside-down jellyfish <i>Cassiopea</i> engages in symbiosis with photosynthetic microalgae that facilitate uptake and recycling of inorganic nutrients. In contrast to most other symbiotic cnidarians, algal endosymbionts in <i>Cassiopea</i> are not restricted to the gastroderm but are found in amoebocyte cells within the mesoglea. While symbiont-bearing amoebocytes are highly abundant, their role in nutrient uptake and cycling in <i>Cassiopea</i> remains unknown. By combining isotopic labelling experiments with correlated SEM and NanoSIMS imaging, we quantified the anabolic assimilation of inorganic carbon and nitrogen at the subcellular level in juvenile <i>Cassiopea</i> medusae bell tissue. Amoebocytes were clustered near the sub-umbrella epidermis and facilitated efficient assimilation of inorganic nutrients. Photosynthetically-fixed carbon was efficiently translocated between endosymbionts, amoebocytes and host epidermis at rates similar to or exceeding those observed in corals. The <i>Cassiopea</i> holobionts efficiently assimilated ammonium, while no nitrate assimilation was detected, possibly reflecting adaptation to highly dynamic environmental conditions of their natural habitat. The motile amoebocytes allow <i>Cassiopea</i> medusae to distribute their endosymbiont population to optimize access to light and nutrients, and transport nutrition between tissue areas. Amoebocytes thus play a vital role for assimilation and translocation of nutrients in <i>Cassiopea</i>, providing an interesting new model for studies of metabolic interactions in photosymbiotic marine organisms.</p>
Supplementary material 2 from: Stampar SN, Gamero-Mora E, Maronna MM, Fritscher JM, Oliveira BSP, Sampaio CLS, Morandini AC (2020) The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e50834
Table S1. Genetic distance matrix over sequence pairs within Cassiopea andromeda. Values shown below diagonal are uncorrected pairwise distances. Above the diagonal are the number of bases that are not identical. 1. Cassiopea_Alagoas_1; 2. Cassiopea_Alagoas_2; 3. Cassiopea_Alagoas_3; 4. Cassiopea_Alagoas_4; 5. CandroHaw8; 6. CandroHaw10; 7. CandroHaw7; 8. CandroHaw9; 9. CandroHaw1; 10. CandroEgyRSea; 11. Cbrazil; 12. CxamaBerm3 13. CxamaBerm4 14. CandroHaw4 15. CxamaBerm1 16. CandroHaw5 17. CxamaBerm2 18. CxamaUSAFl1.
Supplementary material 1 from: Stampar SN, Gamero-Mora E, Maronna MM, Fritscher JM, Oliveira BSP, Sampaio CLS, Morandini AC (2020) The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e50834
Figure S1. Map showing the collection localities of Cassiopea sequences used in the phylogenetic analysis. The green square refers to the site of collection of the population of C. andromeda from Alagoas, Brazil. Each color indicates a species. Cassiopea sp. 5 does not appear because of its unknown locality.
Economic Crisis and Adherence to the Mediterranean Diet (CASSIOPEA)
ClinicalTrials.gov study NCT03119142. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Amoebocytes facilitate efficient carbon and nitrogen assimilation in the Cassiopea Symbiodiniaceae symbiosis
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Figures 11-13 from: Stampar SN, Gamero-Mora E, Maronna MM, Fritscher JM, Oliveira BSP, Sampaio CLS, Morandini AC (2020) The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e50834
Figures 11-13 Specimens of Cassiopea andromeda from Cabo Frio, Rio de Janeiro, Brazil: (11) general view of the area with dozens of specimens, largest one ~25 cm; (12) oral view of a preserved specimen in formalin; (13) details of oral appendages of a formalin fixed specimen. Scale bars: 12, 13 = 1 cm.
Figure 10 from: Stampar SN, Gamero-Mora E, Maronna MM, Fritscher JM, Oliveira BSP, Sampaio CLS, Morandini AC (2020) The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e50834
Figure 10 Molecular reconstruction inferred under Maximum Likelihood (score: -lnL 3124) based on COI with Morandini et al. (2017) dataset and newly sequenced specimens (see Table 1 for details on the sequences used in the analysis). Numbers in nodes represent SH-aLRT support (%)/parametric aLRT support/aBayes support/standard bootstrap support (%); * less than 70/0.70.
Figure 9 from: Stampar SN, Gamero-Mora E, Maronna MM, Fritscher JM, Oliveira BSP, Sampaio CLS, Morandini AC (2020) The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e50834
Figure 9 South America map indicating populations of Cassiopea from Cabo Frio, Rio de Janeiro and Maceió, Alagoas. In detail map of the area of occurrence of Cassiopea andromeda in Alagoas (Meirim River).
Figures 1-8 from: Stampar SN, Gamero-Mora E, Maronna MM, Fritscher JM, Oliveira BSP, Sampaio CLS, Morandini AC (2020) The puzzling occurrence of the upside-down jellyfish Cassiopea (Cnidaria: Scyphozoa) along the Brazilian coast: a result of several invasion events? Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e50834
Figures 1-8 Specimens of Cassiopea from Meirim River estuary: (1) general view of the touristic area with dozens of specimens; (2, 3) details of some large specimens, around 17 cm; (4, 5) details of formalin preserved large specimens; (6–8) details of oral arms, marginal lappets and a rhopaliar niche, respectively. Scale bars: 4–7 = 1 cm, 8 = 1000 µm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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