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151 results for “genome size”
Genome size drives morphological evolution in organ-specific ways
<p class="MsoNormal">Morphogenesis is an emergent property of biochemical and cellular interactions during development. Genome size and the correlated trait of cell size can influence these interactions through effects on developmental rate and tissue geometry, ultimately driving the evolution of morphology. We tested whether variation in genome and body size is related to morphological variation in the heart and liver using nine species of the salamander genus <em>Plethodon</em> (genome sizes 29–67 gigabases). Our results show that overall organ size is a function of body size, whereas tissue structure changes dramatically with evolutionary increases in genome size. In the heart, increased genome size is correlated with a reduction of myocardia in the ventricle, yielding proportionally less force–producing mass and greater intertrabecular space. In the liver, increased genome size is correlated with fewer and larger vascular structures, positioning hepatocytes farther from the circulatory vessels that transport key metabolites. Although these structural changes should have obvious impacts on organ function, their effects on organismal performance and fitness may be negligible because low metabolic rates in salamanders relax selective pressure on function of key metabolic organs. Overall, this study suggests large genome and cell size influence the developmental systems involved in heart and liver morphogenesis.</p>
Fig. 3 in Genome size of chrysophytes varies with cell size and nutritional mode
Fig. 3 Regression analysis of log (genome size [pg]) and log (cell volume [μm3]). Different colors represent the different nutritional modes present (light green = phototrophic; drak red = heterotrophic; blue = mixotrophic). The analysis displays a positive relationship between genome size and cell volume for heterotrophic and phototrophic chrysophyte strains. There is no positive relationship within mixotrophic chrysophyte strains
Data from: The small nuclear genomes of Selaginella are associated with a low rate of genome size evolution
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Data from: Analysis of phylogenetic relationships and genome size evolution of the Amaranthus genus using GBS indicates the ancestors of an ancient crop
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Data from: Chromosome number evolves independently of genome size in a clade with non-localized centromeres (Carex: Cyperaceae)
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Data from: Exploring the relationships between mutation rates, life history, genome size, environment and species richness in flowering plants
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Genome size drives morphological evolution in organ-specific ways
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Data from: Reconstructing the phylogenetic history of long-term effective population size and life-history traits using patterns of amino acid replacement in mitochondrial genomes of mammals and birds
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Data from: No evidence that sex and transposable elements drive genome size variation in evening primroses
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Data from: Ecological constraints associated with genome size across salamander lineages
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Data from: Karyotype and genome size variation in genus Ajuga L. (Ajugoideae–Lamiaceae)
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Data from: Interactions between plant genome size, nutrients and herbivory by rabbits, molluscs and insects on a temperate grassland
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Data from: You are where you live: parasitic nematode mitochondrial genome size is associated with the thermal environment generated by hosts
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Data from: Genomic data detect corresponding signatures of population size change on an ecological time scale in two salamander species
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Petal size in rapeseed: novel QTL and candidate genes detected through genome-wide association study and transcriptome comparison
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Data from: Genome size influences adaptive plasticity of water loss, but not metabolic rates in lungless salamanders
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Data from: Inference of genetic architecture from chromosome partitioning analyses is sensitive to genome variation, sample size, heritability and effect size distribution
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Genome wide association study of bone size yields eleven loci that also affect height, bone density, osteoarthritis and fractures
GEO Series GSE128641. Homo sapiens. 18 samples. Type: Expression profiling by high throughput sequencing.
Genomic features and regulatory roles of intermediate-size non-coding RNAs in Arabidopsis
GEO Series GSE44235. Arabidopsis thaliana. 1 samples. Type: Non-coding RNA profiling by high throughput sequencing.
The mosquito Aedes aegypti has a large genome size and high transposable element load but contains a low proportion of transposon-specific piRNAs
GEO Series GSE33595. Aedes aegypti; Drosophila melanogaster. 8 samples. Type: 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.