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39 results for “Reproductive Senescence”
Data from: Ageing and senescence across reproductive traits and survival in superb fairy-wrens (Malurus cyaneus)
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Data from: Survival of adult Steller sea lions in Alaska: senescence, annual variation and covariation with male reproductive success
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Data from: Senescence and costs of reproduction in the life history of a small precocial species
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Inbreeding accelerates reproductive senescence, but not survival senescence, in a precocial bird
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Data from: Sex-specific patterns of reproductive senescence in a long-lived reintroduced raptor
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Data from: Actuarial senescence in a dimorphic bird: different rates of aging in morphs with discrete reproductive strategies
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Data from: Senescence impacts reproduction and maternal investment in bottlenose dolphins
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Late-life reproduction in an insect: terminal investment, reproductive restraint or senescence
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Data from: Condition dependent mortality exacerbates male (but not female) reproductive senescence and the potential for sexual conflict
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Data from: The impact of reproductive investment and early-life environmental conditions on senescence: support for the disposable soma hypothesis
Several hypotheses have been put forward to explain the evolution of senescence. One of the leading hypotheses, the disposable soma hypothesis, predicts a trade-off, whereby early-life investment in reproduction leads to late-life declines in survival (survival senescence). Testing this hypothesis in natural populations is challenging, but important for understanding the evolution of senescence. We used the long-term data set from a contained, predator-free population of individually marked Seychelles warblers (Acrocephalus sechellensis) to investigate how age-related declines in survival are affected by early-life investment in reproduction and early-life environmental conditions. The disposable soma hypothesis predicts that higher investment in reproduction, or experiencing harsh conditions during early life, will lead to an earlier onset, and an increased rate, of senescence. We found that both sexes showed similar age-related declines in late-life survival consistent with senescence. Individuals that started breeding at a later age showed a delay in survival senescence, but this later onset of breeding did not result in a less rapid decline in late-life survival. Although survival senescence was not directly related to early-life environmental conditions, age of first breeding increased with natal food availability. Therefore, early-life food availability may affect senescence by influencing age of first breeding. The disposable soma hypothesis of senescence is supported by delayed senescence in individuals that started breeding at a later age and therefore invested less in reproduction.
Data from: The impact of reproductive investment and early-life environmental conditions on senescence: support for the disposable soma hypothesis
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Data from: Sex-specific effects of inbreeding on reproductive senescence
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Data from: Early life expenditure in sexual competition is associated with increased reproductive senescence in male red deer
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Data from: Early reproductive investment, senescence and lifetime reproductive success in female Asian elephants
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Data from: Senescence rates and late adulthood reproductive success are strongly influenced by personality in a long lived seabird
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Data from: Senescence in duckweed: age-related declines in survival, reproduction, and offspring quality
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Post-senescence reproductive rebound in Daphnia is associated with reversal of age-related transcriptional changes in lipid and protein metabolism
GEO Series GSE263788. Daphnia magna. 12 samples. Type: Expression profiling by high throughput sequencing.
Ovarian transcriptome associated with reproductive senescence in the long-living Ames dwarf mice
GEO Series GSE84078. Mus musculus. 20 samples. Type: Expression profiling by high throughput sequencing.
Transcriptome response to anti-hormonals in Esr1 and CYP19A1 genetically engineered mouse models of breast cancer risk during reproductive senescence
GEO Series GSE201326. Mus musculus. 24 samples. Type: Expression profiling by high throughput sequencing; Non-coding RNA 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.