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11 results for “developmental arrest”
Data from: Ecological and evolutionary significance of a lack of capacity for extended developmental arrest in crocodilian eggs
Hypoxia within the oviducts maintains embryonic arrest in turtles at the pre-ovipositional stage, which expands the timeframe over which nesting can occur without compromising embryo survival. The arrest can be extended post-oviposition through incubation of eggs in hypoxia. We determined whether crocodilian embryos have this same capacity. We also tested whether increased oxygen availability during incubation alters hatching success. We incubated freshly-laid saltwater crocodile (Crocodylus porosus) eggs (N = 83) at 32°C in one of five treatments; control (normoxia; 21% O2), 3-day and 6-day hypoxia (1% O2), or 3-day and 6-day hyperoxia (42% O2). Incubation (~82 days) was then completed in normoxia. There was a significant effect of treatment on survival of embryos through to hatching (p < 0.001). The hypoxic treatments resulted in almost no hatching (6.7% and 0% survival for the 3- and 6- day treatments respectively), while the hyperoxic and control treatments resulted in normal to high hatching success (86.6%, 100% and 64.2% for the control, 3- and 6- day hyperoxic treatments respectively). Unlike turtles, hypoxic incubation of crocodile eggs failed to delay development. Our results provide the first experimental evidence that, unlike turtles, crocodiles do not exhibit embryonic arrest when incubated under hypoxic conditions immediately following oviposition. An absence of embryonic arrest is of ecological and evolutionary significance, as it implies that crocodilians lack an ability to avoid adverse environmental conditions through delayed nesting and that, unlike turtles, embryonic arrest may not be a potential explanation for the lack of viviparity in the order Crocodylia.
Data from: Ecological and evolutionary significance of a lack of capacity for extended developmental arrest in crocodilian eggs
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Developmental arrest of Drosophila survival motor neuron (Smn) mutants accounts for differences in expression of minor intron-containing genes
GEO Series GSE49587. Drosophila melanogaster. 4 samples. Type: Expression profiling by high throughput sequencing; Third-party reanalysis.
microRNAs in C. elegans, P. pacificus, and S. ratti: Conserved miRNAs are candidate post-transcriptional regulators of developmental arrest in free-living and parasitic nematodes
GEO Series GSE41402. Pristionchus pacificus; Caenorhabditis elegans; Strongyloides ratti. 10 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Human embryos commonly form abnormal nuclei during development: a mechanism of DNA damage, embryonic aneuploidy, and developmental arrest
GEO Series GSE72150. Homo sapiens. 72 samples. Type: SNP genotyping by SNP array; Genome variation profiling by SNP array.
dbl-1/TGF-β and daf-12/NHR signaling mediate cell-nonautonomous effects of daf-16/FOXO on starvation-induced developmental arrest
GEO Series GSE69329. Caenorhabditis elegans. 2 samples. Type: Expression profiling by high throughput sequencing.
Gene expression analysis of B cell differentiation using B cell blasts and developmentally arrested plasmablasts
GEO Series GSE43213. Mus musculus. 4 samples. Type: Expression profiling by array.
Carbon-Deprivation-Driven Transcriptome Reprogramming in Detached Developmentally-Arresting Arabidopsis Inflorescences
GEO Series GSE41099. Arabidopsis thaliana. 4 samples. Type: Expression profiling by array.
Alternative somatic and germline gene-regulatory strategies during starvation-induced developmental arrest
GEO Series GSE173657. Caenorhabditis elegans. 96 samples. Type: Expression profiling by high throughput sequencing.
Developmental arrest in response to reduced protein synthesis in C. elegans
GEO Series GSE123921. Caenorhabditis elegans. 15 samples. Type: Expression profiling by high throughput sequencing.
Gene expression analysis in developmentally arrested root nodules formed by Sinorhizobium meliloti and Medicago truncatula
GEO Series GSE53705. Sinorhizobium meliloti; Medicago truncatula. 24 samples. Type: Expression profiling by array.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.
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