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20 results for “embryo size”
Figure 1 in Fecundity, embryo size and embryo loss in the estuarine shrimp Salmoneus carvachoi Anker, 2007 (Crustacea: Alpheidae) from a tidal mudflat in northeastern Brazil
Figure 1. Measurements of morphological characters of Salmoneus carvachoi obtained from the Paripe River estuary, Pernambuco, northeastern Brazil, in December 2016 and February 2017. CL: Carapace Length; PW: Pleura Width; PH: Pleura Height and SW: Sternite Width.
Figure 3 in Fecundity, embryo size and embryo loss in the estuarine shrimp Salmoneus carvachoi Anker, 2007 (Crustacea: Alpheidae) from a tidal mudflat in northeastern Brazil
Figure 3. Comparison of mean embryo volume at the initial (I), intermediate (II), and final stage of development in Salmoneus carvachoi obtained from the Paripe River estuary, Pernambuco, northeastern Brazil, in December 2016 and February 2017.
Figure 2 in Fecundity, embryo size and embryo loss in the estuarine shrimp Salmoneus carvachoi Anker, 2007 (Crustacea: Alpheidae) from a tidal mudflat in northeastern Brazil
Figure 2. Correlations between fecundity and carapace length (A), width of the pleura of the second abdominal somite (B), sternite width measured at the level of the second abdominal somite (C), and pleura height of the second abdominal somite (D). Specimens of Salmoneus carvachoi were obtained from the Paripe River estuary, Pernambuco, northeastern Brazil, in December 2016 and February 2017.
Data from: Early plant development depends on embryo damage location: the role of seed size in partial seed predation
<p>Data on 1) Observed weevil-infested acorns in the field; 2) Germination rates and times, and seedling emergence of control and embryo-damaged acorns; 3) Seedling performance and physiology of seedlings</p>
Effects of embryo energy, egg size and larval food supply on the development of asteroid echinoderms
Organisms have limited resources available to invest in reproduction, causing a tradeoff between the number and size of offspring. One consequence of this tradeoff is the evolution of disparate egg sizes and, by extension, developmental modes. In particular, echinoid echinoderms (sea urchins and sand dollars) have been widely used to experimentally manipulate how changes in egg size affect development. Here we test the generality of the echinoid results by 1) using laser ablations of blastomeres to experimentally reduce embryo energy in the asteroid echinoderms (sea stars), Pisaster ochraceus and Asterias forbesi and 2) comparing naturally produced, variably-sized eggs (1.7 fold volume difference between large and small eggs) in A. forbesi. In P. ochraceus and A. forbesi there were no significant differences between juveniles from both experimentally reduced embryos and naturally produced eggs of variable size. However, in both embryo reduction and egg size variation experiments, simultaneous reductions in larval food had a significant and large effect on larval and juvenile development. These results indicate that 1) food levels are more important than embryo energy or egg size in determining larval and juvenile quality in sea stars and 2) the relative importance of embryo energy or egg size to fundamental life history parameters (time-to and size-at metamorphosis), does not appear to be consistent within echinoderms.
Outcomes of the Embryos of Different Ovarian Follicle Sizes, and the miRNA Detection in Their Blastocyst Culture
ClinicalTrials.gov study NCT05947526. IPD Sharing: NO. Countries: 1. Publications: 10.
Data from: Early plant development depends on embryo damage location: the role of seed size in partial seed predation
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Data from: Pipefish embryo oxygenation, survival and development: egg size, male size and temperature effects
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Effects of embryo energy, egg size and larval food supply on the development of asteroid echinoderms
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Data from: Effects of mating order and male size on embryo survival in a pipefish
In species that provide parental care, individuals should invest adaptively in their offspring in relation to the pre- and post-zygotic care provided by their partners. In the broad-nosed pipefish, Syngnathus typhle L., females transfer large, nutrient-rich eggs into the male brood pouch during mating. The male broods and nourishes the embryos for several weeks before independent juveniles emerge at parturition. Given a choice, females clearly prefer large partners. Yet, females provide protein-richer eggs when the same individual mates with a smaller than a larger male. In the present study, we allowed each female to mate with one small and one large male, in alternated order. We found a strong effect of female mating order, with larger clutches and higher embryo mortality in first- than second-laid broods, which may suggest that eggs over-ripen in the ovaries or reflect the negative effects of high embryo density in the brood pouch. In either case, this effect should put constraints on the possibility of a female being selective in mate choice. We also found that small and large males produced embryos of similar size and survival, consistent with the reproductive compensation hypothesis, suggesting that, in this species, larger males provide better nourishment to the embryos than smaller males.
Data from: Effects of mating order and male size on embryo survival in a pipefish
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Data from: The effect of egg size on hatch time and metabolic rate: theoretical and empirical insights on developing insect embryos
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Expression profiles of embryo-defective Arabidopsis thaliana mutants increased size exclusion limit1 (ise1) and ise2
GEO Series GSE33558. Arabidopsis thaliana. 12 samples. Type: Expression profiling by genome tiling array.
Provision of choline chloride to the bovine preimplantation embryo alters postnatal body size and DNA methylation.
GEO Series GSE262304. Bos indicus. 24 samples. Type: Methylation profiling by high throughput sequencing.
Neurodevelopmental disorder risk gene DYRK1A is required for ciliogenesis and brain size in Xenopus embryos
GEO Series GSE149538. Xenopus tropicalis. 6 samples. Type: Expression profiling by high throughput sequencing.
Dynamic Optima In Cell Sizes Enable Normal Gastrulation Movements In Zebrafish Embryos During Early Development
GEO Series GSE158023. Danio rerio. 9 samples. Type: Expression profiling by high throughput sequencing.
Identification of genes with different expression in wild- and half-size Xenopus laevis embryos by transcriptome comparison
GEO Series GSE158664. Xenopus laevis. 6 samples. Type: Expression profiling by high throughput sequencing.
Size-dependent temporal decoupling of morphogenesis and transcriptional programs in pseudo-embryos
GEO Series GSE286428. Mus musculus. 9 samples. Type: Expression profiling by high throughput sequencing.
Size-dependent temporal decoupling of morphogenesis and transcriptional programs in pseudo-embryos [scRNA-seq]
GEO Series GSE286273. Mus musculus. 8 samples. Type: Expression profiling by high throughput sequencing.
Size-dependent temporal decoupling of morphogenesis and transcriptional programs in pseudo-embryos [BRB-seq]
GEO Series GSE286276. Mus musculus. 1 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.
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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.