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15,277 results for “GENETICS”
Data underlying RSOS-210474: Mitochondrial DNA sequencing of a wet-collection syntype demonstrates the importance of type material as genetic resource for Lantern Shark taxonomy (Chondrichthyes: Etmopteridae)
<p>After initial detection of target archival DNA of a 116 year old syntype specimen of the Smooth Lanternshark, <i>Etmopterus pusillus</i> in a single stranded DNA library, we shotgun-sequenced additional 9 million reads from this same DNA library. Sequencing reads were used for extracting mitochondrial sequence information for analyses of mitochondrial DNA characteristics and reconstruction of the mitochondrial genome. The archival DNA is highly fragmented. A total of 4,599 mitochondrial reads were available for the genome reconstruction using an iterative mapping approach. The resulting genome sequence has a 12 times coverage and a length of 16,741 basepairs. All 37 vertebrate mitochondrial loci plus the control region were identified and annotated. The mitochondrial NADH2 gene was subsequently used to place the syntype haplotype in a network comprising multiple <i>E. pusillus</i> samples from various distant localities as well as sequences from a morphological similar species, the Shortfin Smooth Lantern Shark <i>Etmopterus joungi</i>. Results confirm the almost global distribution of <i>E. pusillus</i> and suggest <i>E. joungi </i>to be a junior synonym of <i>E. pusillus</i>. As mitochondrial DNA often represents the only available reference information in non-model organisms, this study illustrates the importance of mitochondrial DNA from an aged, wet-collection type specimen for taxonomy.</p>
FIGURE 21. Maximum parsimony 16S rRNA phylogram for the Boophis albipunctatus group. From 485 total characters, 391 were constant and 72 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 21. Maximum parsimony 16S rRNA phylogram for the Boophis albipunctatus group. From 485 total characters, 391 were constant and 72 parsimony informative. MP searches retained 26 trees of which a strict consensus is shown. Consensus support values higher than 50, from 2000 bootstrap replicates, are shown; an asterisk indicates Bayesian posterior probabilities equal or higher than 95%. Species newly described herein are in bold.
FIGURE 27 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 27. Spectrogram and waveform of call type 1 of Boophis luciae sp. nov. from Andasibe (recorded on 1 February 1995, air temperature 22°C).
FIGURE 19 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 19. (A) Male holotype of Boophis sandrae sp. nov. (ZMA 20133) from Ranomafana; (B) female paratype of Boophis sandrae sp. nov. (ZSM 236/2006) from Ambatolahy.
FIGURE 10 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 10. Male holotype of Boophis entingae sp. nov. (ZSM 2083/2007): (A) dorsolateral view; (B) ventral view; (C) detail showing colouration of posterior surfaces of thigh.
FIGURE 8 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 8. Male of Boophis brachychir (ZSM 2157/2007) from Forêt d'Ambre Special Reserve: (A) dorsolateral view; (B) ventral view.
FIGURE 5 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 5. Spectrograms and waveforms of advertisement calls of: (A) Boophis andrangoloaka from Ambohitantely Special Reserve (recorded on 18 January 2005, air temperature app. 18°C); (B) Boophis rhodoscelis from Ranomafanakely, Ranomafana National Park (recorded on 28 January 2004, air temperature app. 21°C).
FIGURE 9 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 9. Spectrogram, corresponding waveform and expanded waveform of the advertisement call of Boophis brachychir from Manongarivo Special Reserve (recorded on 1 February 2003, air temperature 24.5°C).
FIGURE 7. Maximum parsimony 16S in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 7. Maximum parsimony 16S rRNA phylogram of species of the Boophis goudoti group. From 510 total characters, 340 were constant and 130 parsimony informative. MP searches retained 3681 trees of which a strict consensus is shown. Consensus support values higher than 50, from 2000 bootstrap replicates, are shown; an asterisk indicates Bayesian posterior probabilities equal or higher than 95%. Species newly described or resurrected herein are in bold.
FIGURE 25 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 25. Comparative waveform sections (each 2000 ms duration) of advertisement calls of species in the Boophis albipunctatus group: (A) Boophis schuboeae (Ranomafana National Park, 23°C); (B) Boophis haingana sp. nov. (Andohahela National Park, low altitude, 23.2°C); (C) Boophis haingana sp. nov. (Andohahela National Park, 1600 m a.s.l., 17.6°C); (D) Boophis ankaratra (Manjakatompo, 18°C); (E) Boophis miadana sp. nov. (Andohahela National Park, 1550 m a.s.l., 17.6°C).
FIGURE 22 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 22. Male holotype of Boophis miadana sp. nov. (ZSM 5107/2005) from Andohahela, 1550 m a.s.l.: (A) dorsolateral view; (B) ventral view.
FIGURE 23 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 23. Male holotype of Boophis haingana sp. nov. (ZSM 5109/2005) from Andohahela: (A) dorsolateral view; (B) ventral view.
FIGURE 1. Maximum parsimony 16S in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 1. Maximum parsimony 16S rRNA phylogram for species in the Boophis majori and B. microtympanum groups. From 480 total characters, 336 were constant and 129 parsimony informative. MP searches retained 39 trees of which a strict consensus is shown. Consensus support values higher than 50, from 2000 bootstrap replicates, are shown; an asterisk indicates Bayesian posterior probabilities equal or higher than 95%. Species newly described or resurrected herein are in bold.
FIGURE 18. Maximum parsimony 16S in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 18. Maximum parsimony 16S rRNA phylogram for species in the Boophis luteus group. From 470 total characters, 347 were constant and 111 parsimony informative. MP searches retained 60 trees of which a strict consensus is shown. Consensus support values higher than 50, from 2000 bootstrap replicates, are shown; an asterisk indicates Bayesian posterior probabilities equal or higher than 95%. The species newly described herein is in bold.
FIGURE 12 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 12. Male holotype of Boophis roseipalmatus sp. nov. (ZSM 211/2004) from Montagne d'Ambre National Park: (A) dorsolateral view; (B) ventral view.
FIGURE 3 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 3. Spectrograms and waveforms of calls of Boophis piperatus sp. nov. from near Vohiparara, Ranomafana National Park (recorded on 28 January 2004, air temperature 20–21°C): (A) call type 1, (B) call type 2 (see text).
FIGURE 16. Maximum parsimony 16S in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 16. Maximum parsimony 16S rRNA phylogram for species in the Boophis albilabris group. From 535 total characters, 445 were constant and 35 parsimony informative. MP searches retained 6 trees of which a strict consensus is shown. Consensus support values higher than 50, from 2000 bootstrap replicates, are shown; an asterisk indicates Bayesian posterior probabilities equal or higher than 95%. The species newly described herein is in bold.
FIGURE 4 in Integrative taxonomy of Malagasy treefrogs: combination of molecular genetics, bioacoustics and comparative morphology reveals twelve additional species of Boophis 2383
FIGURE 4. Dorsolateral view (A) and ventral view (B) of male of Boophis andrangoloaka (FGZC 2139) from Ambohitantely; (C) dorsolateral view of Boophis andrangoloaka (ZFMK 60134) from Ambohitantely; dorsolateral view (D) and ventral view (E) of a dark coloured specimen of Boophis rhodoscelis from Ranomafanakely; (F) dorsolateral view of a light coloured specimen of Boophis rhodoscelis from Ranomafanakely.
Sex-specific genetic (co)variances of standard metabolic rate, body mass and locomotor activity in Drosophila melanogaster
<p>A longstanding focus in evolutionary physiology concerns the causes and consequences of variation in maintenance metabolism. Insight into this can be gained by estimating the sex-specific genetic architecture of maintenance metabolism alongside other, potentially correlated traits on which selection may also act, such as body mass and locomotor activity. This may reveal potential genetic constraints affecting the evolution of maintenance metabolism. Here, we used a half-sibling breeding design to quantify the sex-specific patterns of genetic (co)variance in standard metabolic rate (SMR), body mass, and daily locomotor activity in <i>Drosophila melanogaster</i>. There was detectable additive genetic variance for all traits in both sexes. As expected, SMR and body mass were strongly and positively correlated, with genetic allometry exponents (<i>b</i><sub>A</sub>±se) of 0.66±0.16 in females and 0.58±0.32 in males. There was a significant and positive genetic correlation between SMR and locomotor activity in males, suggesting that alleles that increase locomotion have pleiotropic effects on SMR. Sexual differences in the genetic architecture were driven in large part by a difference in genetic variance in locomotor activity between the sexes. Overall, genetic variation was mostly shared between males and females, setting the stage for a potential intralocus sexual conflict in the face of sexually antagonistic selection.</p>
FIGURE 2 in Genetic differentiation in the nearly extinct harlequin frogs (Bufonidae: Atelopus), with emphasis on the Andean Atelopus ignescens and A. bomolochos species complexes
FIGURE 2. Clades of Atelopus recovered with Bayesian (left) and Maximum Likelihood (right) criteria. * = significant support (posterior probability ≥ 0.95 in Bayesian tree; bootstrap support ≥ 70% in ML tree).
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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.