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72 results for “fertiliser”
Data from: High fidelity: extra-pair fertilisations in eight Charadrius plover species are not associated with parental relatedness or social mating system
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Data from: Multiple mating, paternity and complex fertilisation patterns in the chokka squid Loligo reynaudi
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Data from: Differential effects of fertilisers on pollination and parasitoid interaction networks
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Data from: The double edged sword: the demographic consequences of the evolution of self-fertilisation
Phylogenies indicate that the transition from outcrossing to selfing is frequent, with selfing populations being more prone to extinction. The rates of transition to selfing and extinction, acting on different timescales, could explain the observed distributions of extant selfing species among taxa. However, phylogenetic and theoretical studies consider these mechanisms independently, i.e. transitions do not cause extinction. Here, we theoretically explore the demographic consequences of the evolution of self-fertilization. Deleterious mutations and mutations modifying the selfing rate are recurrently introduced and the number of offspring depends on individual fitness, allowing for a demographic feedback. We show that mutational meltdowns can be triggered in populations evolving near strict selfing. Populations having survived the demographic crash are more stable than ancestral outcrossing populations once deleterious mutations are purged. The relatively rapid time-scales in which extinctions occur indicate that during evolutionary transitions the accumulation of deleterious mutations may not be the cause of extinctions observed on longer time scales, which in turn could lead to the underestimation of transition rates from outcrossing to selfing.
Data from: The role of metalloproteases in fertilisation in the ascidian Ciona robusta
In the ascidian Ciona robusta (formerly C. intestinalis type A), the mechanism underlying sperm penetration through the egg investment remains unknown. We previously reported that proteins containing both an astacin metalloprotease domain and thrombospondin type 1 repeats are abundant in the sperm surface protein-enriched fraction of C. robusta. Here we investigated the involvement of those proteins in fertilisation. We refined the sequences of astacin metalloproteases, confirmed that five of them are present in the sperm, and labelled them as tunicate astacin and thrombospondin type 1 repeat-containing (Tast) proteins. Fertilisation of C. robusta eggs was potently inhibited by a metalloprotease inhibitor GM6001. The eggs cleaved normally when they were vitelline coat-free or the inhibitor was added after insemination. Furthermore, vitelline coat proteins were degraded after incubation with intact sperm. These results suggest that sperm metalloproteases are indispensable for fertilisation, probably owing to direct or indirect mediation of vitelline-coat digestion during sperm penetration. TALEN-mediated knockout of Tast genes and the presence of GM6001 impaired larval development at the metamorphic stage, suggesting that Tast gene products play a key role in late development.
Data from: Heterogeneity in local density allows a positive evolutionary relationship between self-fertilisation and dispersal
Despite empirical evidence for a positive relationship between dispersal and self-fertilisation (selfing), theoretical work predicts that these traits should always be negatively correlated, and the Good Coloniser Syndrome of high dispersal and selfing (Cf. Baker's Law) should not evolve. Critically, previous work assumes that adult density is spatiotemporally homogeneous, so selfing results in identical offspring production for all patches, eliminating the benefit of dispersal for escaping from local resource competition. We investigate the joint evolution of dispersal and selfing in a demographically structured metapopulation model where local density is spatiotemporally heterogeneous due to extinction-recolonisation dynamics. Selfing alleviates outcrossing failure due to low local density (an Allee Effect) while dispersal alleviates competition through dispersal of propagules from high- to low-density patches. Because local density is spatiotemporally heterogenous in our model, selfing does not eliminate heterogeneity in competition, so dispersal remains beneficial even under full selfing. Hence the Good Coloniser Syndrome is evolutionarily stable under a broad range of conditions, and both negative and positive relationships between dispersal and selfing are possible, depending on the environment. Our model thus accommodates positive empirical relationships between dispersal and selfing not predicted by previous theoretical work and provides additional explanations for negative relationships.
Dataset for "Ammonia water as a biobased fertiliser: Evaluating agronomic and environmental performance for Lactuca sativa compared to synthetic fertilisers"
<p>This datasent was uploaded as an addition to the works published in "Ammonia water as a biobased fertiliser: Evaluating agronomic and environmental performance for <em>Lactuca sativa</em> compared to synthetic fertilisers". DOI: https://doi.org/10.1016/j.bcab.2023.102907</p> <p>1) The 1st attached file contains the raw and calculated dataset for the greenhouse gas emission monitering from the lettuce pot trials for the different bio-based fertilisers under Belgian pilot plant.</p> <p>2) The 2nd attached file contains the raw and calculated dataset for biomass, nitrogen uptake, nitrogen fertiliser replacement value, nitrogen use efficiency and other agronomic data related to the lettuce pot trials from the different bio-based fertilisers under Belgian pilot plant.</p> <p> </p>
Poor In Vitro Fertilisation Outcomes in Genital Tuberculosis - Case Report
ClinicalTrials.gov study NCT05428124. IPD Sharing: UNDECIDED. Countries: 0. Publications: 3.
Progesterone Serum Levels in Subfertile Female Patients Undergoing in Vitro Fertilisation (IVF)
ClinicalTrials.gov study NCT01225835. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Safety and Efficacy Study in in Vitro Fertilisation (IVF) Patients
ClinicalTrials.gov study NCT01312766. IPD Sharing: Not stated. Countries: 5. Publications: 0.
Data from: The role of metalloproteases in fertilisation in the ascidian Ciona robusta
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Data from: Extreme fertilisation bias towards freshly inseminated sperm in a species exhibiting prolonged female sperm storage
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Data from: Heterogeneity in local density allows a positive evolutionary relationship between self-fertilisation and dispersal
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Data from: The double edged sword: the demographic consequences of the evolution of self-fertilisation
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A KHDC3L mutation resulting in recurrent hydatidiform mole causes genome-wide DNA methylation loss in oocytes and persistent imprinting defects post-fertilisation.
GEO Series GSE138864. Homo sapiens. 6 samples. Type: Methylation profiling by genome tiling array.
Transcriptomic landscape of seedstick in Arabidopsis thaliana funiculus after fertilisation
GEO Series GSE247348. Arabidopsis thaliana. 4 samples. Type: Expression profiling by high throughput sequencing.
Activation of LINE-1 after fertilisation regulates global chromatin accessibility
GEO Series GSE98436. Mus musculus. 36 samples. Type: Expression profiling by high throughput sequencing.
EFFECT OF MINERAL FERTILISERS APPLIED TO AMARANTH PLANTS ON THE DYNAMICS OF NITROGEN IN SOIL
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Assessment of willingness-to-pay for bio-based fertilisers among farmers and agricultural advisors in the EU - Data and Code
<p>Dataset and code from the publication (10.1016/j.jclepro.2023.137548)</p>
Study to Assess the Design of Use of REKOVELLE® in Women Undergoing In Vitro Fertilisation or Intracytoplasmic Sperm Injection Procedures in Routine Clinical Practice
ClinicalTrials.gov study NCT04503707. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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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.