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24 results for “avian development”
Pre- and postnatal noise directly impairs avian development, with fitness consequences
<p><span>Noise pollution is expanding at an unprecedented rate and </span><span>is</span><span> increasingly associated with impaired reproduction and development across taxa. However, whether noise soundwaves are intrinsically harmful for developing young – or merely disturb parents – and the fitness consequences of early exposure </span><span>remains</span><span> unknown. Here, </span><span>by only manipulating the offspring</span><span>, we </span><span>show</span><span> that sole exposure to noise in early-life </span><span>in zebra finches </span><span>has fitness consequences, </span><span>and causes</span><span> embryonic death during exposure. </span><span>Exposure to </span><span>pre- and postnatal traffic noise cumulatively impaired nestling growth and physiology, and </span><span>aggravated telomere shortening </span><span>across life stages </span><span>until adulthood</span><span>. Consistent with a long-term somatic impact, early-life noise exposure, especially prenatally, decreased individual offspring production throughout adulthood. Our findings </span><span>suggest the </span><span>effects of noise pollution </span><span>are more pervasive </span><span>than previously realized.</span></p>
Endocranial development in non-avian dinosaurs reveals an ontogenetic brain trajectory distinct from extant archosaurs
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Pre- and postnatal noise directly impairs avian development, with fitness consequences
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Independent avian epigenetic clocks for aging and development
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Heat-induced maternal effects shape avian eggshell traits and embryo development and phenotype at high incubation temperatures
<p>Phenotypic plasticity is an important avenue by which organisms may persist in the face of rapid environmental change. Environmental cues experienced by the mother can also influence the phenotype of offspring, a form of plasticity called maternal effects. Maternal effects can adaptively prepare offspring for the environmental conditions they will experience, however, their ability to buffer offspring against environmental stressors as embryos is understudied. Using captive zebra finches, we performed a maternal-offspring environmental match-mismatch experiment utilizing a 2x2x2 factorial design. Mothers were exposed to a mild heat conditioning (38 °C) or control (22 °C) treatment as juveniles, an acute high heat (42 °C) or control (22 °C) treatment as adults, then paired for breeding. The eggs produced by those females were incubated at a hyperthermic (38.5 °C) or optimal temperature (37.2 °C). We found that when mothers were exposed to a mild heat conditioning as juveniles, their embryos exhibited reduced water loss, longer development times, and produced hatchlings with heavier pectoralis muscles when incubated at high incubation temperatures, compared to embryos from control mothers. Mothers exposed to both the mild heat conditioning as juveniles and a high heat stressor as adults produced eggs with a higher density of shell pores, and embryos with lower heart rates during development. However, there was a cost when there was a mismatch between maternal and embryo environment. Embryos from these conditioned and heat-stressed mothers had reduced survival at control incubation temperatures, indicating the importance of offspring environment when interpreting potential adaptive effects.</p>
Development of Immune Globulin Treatment for Avian Flu
ClinicalTrials.gov study NCT00383071. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Heat-induced maternal effects shape avian eggshell traits and embryo development and phenotype at high incubation temperatures
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Figure 4 in Development and evolution of regionalization within the avian axial column
Figure 4. Images and associated schematic diagrams of cleared and stained axial skeletons of chicken (Gallus gallus domesticus) embryos from developmental stages 34 to 36. A, stage 34 (day 8 of incubation) right lateral view. B, stage 34 right lateral schematic. C, stage 34 posterior schematic. D, stage 35 (days 8–9 of incubation) right lateral view. E, stage 35 right lateral schematic. F, stage 35 posterior schematic. G, stage 36 (day 10 of incubation) right lateral view. H, stage 35 right lateral schematic. I, stage 35 posterior schematic. Blue is cartilage and dark purple represents ossified tissue within the images. Light grey is cartilage and black represents ossified tissue in the diagrams. Scale bar, 1 cm.
Figure 7 in Development and evolution of regionalization within the avian axial column
Figure 7. Images and associated schematic diagrams of cleared and stained axial skeletons of chicken (Gallus gallus domesticus) embryos from developmental stages 43 to 45. A, stage 43 (day 17 of incubation) right lateral view. B, stage 43 right lateral schematic. C, stage 43 posterior schematic. D, stage 44 (day 18 of incubation) right lateral view. E, stage 44 right lateral schematic. F, stage 44 posterior schematic. G, stage 45 (day 19–20 of incubation) right lateral view. H, stage 45 right lateral schematic. I, stage 45 posterior schematic. Blue is cartilage and dark purple represents ossified tissue. Light grey is cartilage and black represents ossified tissue in the diagrams. Scale bar, 1 cm.
Figure 8 in Development and evolution of regionalization within the avian axial column
Figure 8. Schematic of ossification and fusion sequence of the developing chicken axial column. Shading indicates degree of ossification of all scored anatomies within each vertebral segment, given in Supporting Information, Table S1. Fusions between adjacent vertebrae are indicated with black outlines. Note that the lumbosacrals begin fusions from two regions that remain separate until stage 42.
Figure 2 in Development and evolution of regionalization within the avian axial column
Figure 2. Images and associated schematic diagrams of cleared and stained axial skeletons of chicken (Gallus gallus domesticus) embryos from developmental stages 28 to 30. A, stage 28 (day 5½ of incubation) right lateral view. B, stage 28 right lateral schematic. C, stage 28 posterior schematic. D, stage 29 (day 6 of incubation) right lateral view. E, stage 29 right lateral schematic. F, stage 29 posterior schematic. G, stage 30 (day 6½ of incubation) right lateral view. H, stage 30 right lateral schematic. I, stage 30 posterior schematic. Blue is cartilage and dark purple represents ossified tissue within the images. Light grey is cartilage and black represents ossified tissue within the diagrams. Scale bar, 1 cm.
Figure 1 in Development and evolution of regionalization within the avian axial column
Figure 1. Simplified vertebrate phylogeny with selected published Hox expression boundaries within the somitic mesoderm. Axial skeletons are drawn in dorsal view, except for zebrafish drawn in left lateral view. Anterior–posterior Hox expression boundaries are represented by coloured bars. Fusions within the axial column are represented by black shading. Zebrafish expression patterns are reported by Morin-Kensicki et al. (2002), whiptail lizard by Woltering et al. (2009), alligator by Mansfield & Abzhanov (2010) and chicken and mouse by Burke et al. (1995).
Figure 5 in Development and evolution of regionalization within the avian axial column
Figure 5. Images and associated schematic diagrams of cleared and stained axial skeletons of chicken (Gallus gallus domesticus) embryos from developmental stages 37 to 39. A, stage 37 (day 11 of incubation) right lateral view. B, stage 37 right lateral schematic. C, stage 37 posterior schematic. D, stage 38 (day 12 of incubation) right lateral view. E, stage 38 right lateral schematic. F, stage 38 posterior schematic. G, stage 39 (day 13 of incubation) right lateral view. H, stage 39 right lateral schematic. I, stage 39 posterior schematic. Blue is cartilage and dark purple represents ossified tissue. Light grey is cartilage and black represents ossified tissue in the diagrams. Scale bar, 1 cm.
Data from: Long-term avian community response to housing development at the boundary of U.S. protected areas: effect size increases with time
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Transcriptome profiling of developing photoreceptor subtypes reveals candidate genes for avian photoreceptor diversification
GEO Series GSE59850. Gallus gallus. 10 samples. Type: Expression profiling by high throughput sequencing.
Bid Expression Controls Neuronal Cell Fate During Avian Ciliary Ganglion Development
GEO Series GSE65426. Gallus gallus. 24 samples. Type: Expression profiling by array.
A cross-species analysis of microRNAs in the developing avian face
GEO Series GSE30716. Anas platyrhynchos; Coturnix japonica; Gallus gallus. 11 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Avian ceca are required for hindgut enteric nervous system development by promoting enteric neural crest cell proliferation and inhibiting neuronal differentiation via non-canonical Wnt signaling
GEO Series GSE182783. Gallus gallus. 6 samples. Type: Expression profiling by high throughput sequencing.
Development and Characterization of Chicken Lung Organoids for Future In Vitro Modeling of Avian Influenza Virus-Host Cell Interaction [bulk RNA-seq]
GEO Series GSE291341. Gallus gallus. 18 samples. Type: Expression profiling by high throughput sequencing.
Development and Characterization of Chicken Lung Organoids for Future In Vitro Modeling of Avian Influenza Virus-Host Cell Interaction [scRNA-seq]
GEO Series GSE291342. Gallus gallus. 2 samples. Type: Expression profiling by high throughput sequencing.
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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.