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4,480 results for “hybrid”
Data from: Homoploid F1 hybrids and segmental allotetraploids of japonica and indica rice subspecies show similar and enhanced tolerance to N deficiency than parental lines
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Postcranial skeletal size measurements of hybrid captive Rhesus macaques (Macaca mulatta)
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Data from: Genomic evidence of prevalent hybridization throughout the evolutionary history of the fig-wasp pollination mutualism
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Data from: Improved specificity and efficiency of in vivo adenine base editing therapies with hybrid guide RNAs
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Multiple origins of the desert shrub Reaumuria songarica in northern Xinjiang involving homoploid and tetraploid hybrids
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Data from: Reduced mitochondrial respiration in hybrid asexual lizards
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Intensity of infection with intracellular Eimeria spp. and pinworms is reduced in hybrid mice compared to parental subspecies
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Data from: Genetic incompatibilities in reciprocal hybrids between populations of Tigriopus californicus with low to moderate mitochondrial sequence divergence
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Online appendix for: Hybridization and transgressive evolution as drivers of adaptive radiations: Reticulate evolution generates diversity in the Puerto Rican Anolis lizards
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Data for: Hybrid dedicated and distributed coding in PMd/M1 provides separation and interaction of bilateral arm signals
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Data from: Genetic and spatial variation in vegetative and floral traits across a hybrid zone
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FIG. 4 in Multilocus phylogeny of Gryllus field crickets (Orthoptera: Gryllidae: Gryllinae) utilizing anchored hybrid enrichment
FIG. 4. Monophyly of North American Gryllus is strongly supported by (A) RAxML analysis of concatenated data (492,531 bp) with bootstrap values, and by (B) Astral analysis of gene trees (563 loci) with quadripartition branch support values.
FIG. 7 in Multilocus phylogeny of Gryllus field crickets (Orthoptera: Gryllidae: Gryllinae) utilizing anchored hybrid enrichment
FIG. 7. Phylogeny of Gryllus panel 1 of 4. RAxML tree (left) with taxon names; Astral tree (right) with thin lines connecting tips to taxon names. Support value color codes:> 90% = bright green;> 80% and <90% = green;> 70% and <80% = olive;> 60% and <70% = orange/brown;> 50% and <60% = red; <50% = black
FIG. 2 in Multilocus phylogeny of Gryllus field crickets (Orthoptera: Gryllidae: Gryllinae) utilizing anchored hybrid enrichment
FIG. 2. Alexander's first phylogeny of US Gryllus principally based on life-cycle considerations. Redrawn from Alexander (1968). * Note: G. texensis was labeled as G. integer in Alexander's original figure, see Cade & Otte (2000).
FIG. 3 in Multilocus phylogeny of Gryllus field crickets (Orthoptera: Gryllidae: Gryllinae) utilizing anchored hybrid enrichment
FIG. 3. Two mtDNA phylogenies of US Gryllus. (A) Strict consensus of two shortest trees from maximum parsimony analysis of mtDNA restriction sites (redrawn from Harrison & Bogdanowicz 1995). (B) Minimum evolution tree for ~1500 bp of combined Cytochrome b and 16S mtDNA sequence data (redrawn from Huang et al. 2000, with 'G. assimilis CA' renamed G. multipulsator following Weissman et al. 2009)
Fig. 1. Top 10 in Multilocus phylogeny of Gryllus field crickets (Orthoptera: Gryllidae: Gryllinae) utilizing anchored hybrid enrichment
Fig. 1. Top 10 categories of publications involving Gryllus field crickets; data are from the Web of Science and represent 2914 records from 1903 – 2019.
FIG. 6 in Multilocus phylogeny of Gryllus field crickets (Orthoptera: Gryllidae: Gryllinae) utilizing anchored hybrid enrichment
FIG. 6. Overview of in-group taxa relationships based on Astral gene-tree analysis, with quadripartition branch support values. The named Groups correspond to Weissman & Gray (2019).
Long-living and highly efficient bio-hybrid light-emitting diodes with zero-thermal-quenching biophosphors
<p>Bio-hybrid light-emitting diodes (Bio-HLEDs) based on color down-converting filters with fluorescent proteins (FPs) have achieved moderate efficiencies (50 lm/W) and stabilities (300 h) due to both thermal- and photo-degradation. Here, we present a significant enhancement in efficiency (~130 lm/W) and stability (>150 days) using a zero-thermalquenching bio-phosphor design. This is achieved shielding the FP surface with a hydrophilic polymer allowing their homogenous integration into the network of a light-guiding and hydrophobic host polymer. We rationalize how the control of the mechanical and optical features of this bio-phosphor is paramount towards highly stable and efficient Bio-HLEDs, regardless of the operation conditions. This is validated by the relationships between the stiffness of the FP-polymer phosphor and the maximum temperature reached under device operation as well as the transmittance of the filters and device efficiency.</p>
Data from: Kokanee–sockeye salmon hybridization leads to intermediate morphology and resident life history: implications for fisheries management
Stocking programs designed to return extirpated species to their historical range have become increasingly prevalent, punctuating the need to better understand the risks posed to recipient ecosystems. Here, we investigated the genetic and biological consequences of an anadromous sockeye salmon (Oncorhynchus nerka) stocking program in Skaha Lake, British Columbia, where substantial levels of hybridization/introgression with the native freshwater resident ecotype (kokanee) have been detected. We genetically-assigned 543 individuals (adult spawners, age-0 juveniles) to estimate stock proportions (pure-stock sockeye/kokanee or hybrid) between 2010 and 2017, with a subset undergoing otolith microchemistry analysis to determine migratory life history and maternal ancestry. Proportion of hybrid spawners varied from 5-20% across sampling years, while hybrid age-0 juveniles remained relatively constant (~11%). Hybrid spawners exhibited intermediate size relative to pure-stocks, with the vast majority being non-anadromous (92%) and of resident maternal ancestry (76%). Our results provide empirical support for previously hypothesized mechanisms of hybridization between O. nerka life-history forms, and underscore the importance of continued monitoring of stocking programs to quantify long-term fitness impacts of introgression and refine management strategies.
Data from: Conspecific olfactory preferences and interspecific divergence in odor cues in a chickadee hybrid zone
Understanding how mating cues promote reproductive isolation upon secondary contact is important in describing the speciation process in animals. Divergent chemical cues have been shown to act in reproductive isolation across many animal taxa. However, such cues have been overlooked in avian speciation, particularly in passerines, in favor of more traditional signals such as song and plumage. Here we aim to test the potential for odor to act as a mate choice cue, and therefore contribute to premating reproductive isolation between the black-capped (Poecile atricapillus) and Carolina chickadee (P. carolinensis) in eastern Pennsylvania hybrid zone populations. Using gas chromatography-mass spectrometry, we document significant species differences in uropygial gland oil chemistry, especially in the ratio of ester to non-ester compounds. We also show significant preferences for conspecific over heterospecific odor cues in wild chickadees using a Y-maze design. Our results suggest that odor may be an overlooked but important mating cue in these chickadees, potentially promoting premating reproductive isolation. We further discuss several promising avenues for future research in songbird olfactory communication and speciation.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.