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87 results for “blenny”
Data from: Extreme dentition does not prevent diet and tooth diversification within combtooth blennies (Ovalentaria: Blenniidae)
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Data from: Discovery of BbX transcription factor in the patagonian blennie: Exploring expression changes following combined bacterial and thermal stress exposure
<p>Abstract:</p><p>High-Mobility Group (HMG) proteins are involved in different processes such as transcription, replication, DNA repair, and immune response. The role of HMG proteins in the immune response of fish has been studied mainly for HMGB1, where its expression can be induced by the stimulation of viral/bacterial PAMPs and can act as a proinflammatory mediator and as a global regulator of transcription in response to temperature. However, for BbX this role remains to be discovered. In this work, we identified the BbX of <i>E. maclovinus</i> and evaluated the temporal expression levels after simultaneous challenge with <i>P. salmonis</i> and thermal stress. Phylogenetic analysis does not significantly deviate from the expected organismal relationships suggesting orthologous relationships and that BbX was present in the common ancestor of the group. BbX mRNA expression levels were very high in the intestinal tissue of <i>E. maclovinus </i>(foregut, midgut, and hindgut). Nevertheless, the protein levels analyzed by WB showed the highest levels of BbX protein in the liver (constitutive expression). On the other hand, the mRNA expression levels of BbX in the liver of <i>E. maclovinus</i> injected with<i> P. salmonis</i> and subjected to thermal stress showed an increase at days 16 and 20 in all treatments applied at 12 °C and 18 °C. Meanwhile, the protein levels quantified by WB showed a statistically significant increase in the HMG-Bbx at all experimental times (4, 8, 12, 16, and 20 dpi). However, at 4 dpi the HMG-Bbx protein levels were much higher than the other days evaluated. The results suggest that BbX protein may be implicated in the response mechanism to temperature and bacterial stimulation in the foregut, midgut, hindgut, and liver, according to our findings at the level of mRNA and protein. Furthermore, our WB analysis suggests an effect of <i>P. salmonis</i> on the expression of this protein that can be observed in condition C+ 12 °C compared to C- 12 °C. Then, there is an effect of temperature that can be evidenced in the condition AM 18 °C and SM 18 °C, compared to AB 18 °C and SB 18 °C at 4, 8, and 12 dpi. We found not differences in the levels of this protein if the thermal stress is achieved through acclimatization or shock. More research is necessary to clarify the importance of this type of HMG in the immune response and thermal tolerance in fish.</p>
FIGURE 4 in Acanthemblemaria aceroi, a new species of tube blenny from the Caribbean coast of South America with notes on Acanthemblemaria johnsoni (Teleostei Chaenopsidae)
FIGURE 4. Color photographs of freshly caught Acanthemblemaria johnsoni, AMNH 247613, from Isla Testigo Grande. A) Male; B) Presumed female. Provided by James van Tassell.
FIGURE 2 in Acanthemblemaria aceroi, a new species of tube blenny from the Caribbean coast of South America with notes on Acanthemblemaria johnsoni (Teleostei Chaenopsidae)
FIGURE 2. Micro-CT scans of two species of Acanthemblemaria. A) Lateral view of head of Acanthemblemaria aceroi (ANSP 147650, 27.8 mm SL); B) Lateral view of head of A. rivasi (SIO 03-141, 28.3 mm SL); C) Dorsal view of head of A); D) Dorsal view of head of B); E) Isolated palatine bone of A); F) Isolated palatine bone of B). Arrows in A) and B) indicate posterior extent of infraorbitals.
FIGURE 1. A in Acanthemblemaria aceroi, a new species of tube blenny from the Caribbean coast of South America with notes on Acanthemblemaria johnsoni (Teleostei Chaenopsidae)
FIGURE 1. A) Holotype of Acanthemblemaria aceroi (SIO 02-106; preserved specimen); B) Radiograph of holotype of A. aceroi; C) Micro-CT scan of a paratype of A. aceroi (ANSP 147650, 27.8 mm SL).
FIGURE 3 in Acanthemblemaria aceroi, a new species of tube blenny from the Caribbean coast of South America with notes on Acanthemblemaria johnsoni (Teleostei Chaenopsidae)
FIGURE 3. Color photographs of Acanthemblemaria aceroi. A) Freshly caught male, AMNH 249352, Monje del Sur; B) Freshly caught female, 25 mm SL, AMNH 249362, Monje del Norte; C) Photograph of living presumed male; D) Photograph of living presumed female or juvenile. A) and B) provided by James van Tassell; C) and D) provided by Paul Humann.
FIGURE 6 in Two new freshwater blennies from the Eastern Mediterranean basin (Teleostei: Blenniidae)
FIGURE 6. Salariopsis burcuae; FSJF 2710, 69 mm SL; Syria: Nahr al Marq'ya.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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