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15 results for “Anolis carolinensis”
Anolis carolinensis character displacement SNP
<p>Here are six files that provide details for all 44,120 identified single nucleotide polymorphisms (SNPs) or the 215 outlier SNPs associated with the evolution of rapid character displacement among replicate islands with (2Spp) and without competition (1Spp) between two <em>Anolis</em> species. On 2Spp islands, <em>A. carolinensis</em> occurs higher in trees and have evolved larger toe pads. Among 1Spp and 2Spp island populations, we identify 44,120 SNPs, with 215-outlier SNPs with improbably large F<sub>ST</sub> values, low nucleotide variation, greater linkage than expected, and these SNPs are enriched for animal walking behavior. Thus, we conclude that these 215-outliers are evolving by natural selection in response to the phenotypic convergent evolution of character displacement. There are two, non-mutually exclusive perspective of these nucleotide variants. One is character displacement is convergent: all 215 outlier SNPs are shared among 3 out of 5 2Spp island and 24% of outlier SNPS are shared among all five out of five 2Spp island. Second, character displacement is genetically redundant because the allele frequencies in one or more 2Spp are similar to 1Spp islands: among one or more 2Spp islands 33% of outlier SNPS are within the range of 1Spp MiAF and 76% of outliers are more similar to 1Spp island than mean MiAF of 2Spp islands. Focusing on convergence SNP is scientifically more robust, yet it distracts from the perspective of multiple genetic solutions that enhances the rate and stability of adaptive change.</p> <p>The six files include: a description of eight islands, details of 94 individuals, and four files on SNPs. The four SNP files include the VCF files for 94 individuals with 44KSNPs and two files (Excel sheet/tab-delimited file) with F<sub>ST</sub>, p-values and outlier status for all 44,120 identified single nucleotide polymorphisms (SNPs) associated with the evolution of rapid character displacement. The sixth file is a detailed file on the 215 outlier SNPs.</p> <p>Complete sequence data is available at Bioproject PRJNA833453, which including samples not included in this study. The 94 individuals used in this study are described in "Supplemental_Sample_description.txt"</p>
Morphological data quantifying sexual dimorphism of Anolis carolinensis in presence and absence of congener
<p>Natural selection favors sexual dimorphism that reduces resource competition between the sexes of the same species. However, niche partitioning among interspecific competitors should counter such divergence, as partitioning the niche results in smaller total niche widths for each individual species, leaving less room for the sexes to diverge. A straightforward (and long-standing) hypothesis emerges: species in competitor-rich ecological communities should show less sexual dimorphism than species in competitor-poor ecological communities. Here, we test this prediction using a well-documented natural experiment generated by the recent arrival of <i>Anolis sagrei </i>to a set of small islands in Mosquito Lagoon, Florida, containing <i>Anolis carolinensis</i>. Despite known interspecific habitat partitioning and rapid evolution in habitat-use traits by <i>A. carolinensis</i> in this system, sexual dimorphism between male and female <i>A. carolinensis</i> was not reduced as predicted on two-species islands relative to islands with only <i>A. carolinensis</i>. This is consistent with a small but growing body of empirical tests of the dimorphism-richness hypothesis that have been ambiguous in their support at best. A rethinking of the validity of this intuitive hypothesis is needed.</p>
Morphological data quantifying sexual dimorphism of Anolis carolinensis in presence and absence of congener
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Anolis carolinensis character displacement SNP
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Data from: Diversification in wild populations of the model organism Anolis carolinensis: a genome-wide phylogeographic investigation
The green anole (Anolis carolinensis) is a lizard widespread throughout the southeastern United States and is a model organism for the study of reproductive behavior, physiology, neural biology, and genomics. Previous phylogeographic studies of A. carolinensis using mitochondrial DNA and small numbers of nuclear loci identified conflicting and poorly supported relationships among geographically structured clades; these inconsistencies preclude confident use of A. carolinensis evolutionary history in association with morphological, physiological, or reproductive biology studies among sampling localities and necessitate increased effort to resolve evolutionary relationships among natural populations. Here, we used anchored hybrid enrichment of hundreds of genetic markers across the genome of A. carolinensis and identified five strongly supported phylogeographic groups. Using multiple analyses, we produced a fully resolved species tree, investigated relative support for each lineage across all gene trees, and identified mito-nuclear discordance when comparing our results to previous studies. We found fixed differences in only one clade—southern Florida restricted to the Everglades region—while most polymorphisms were shared between lineages. The southern Florida group likely diverged from other populations during the Pliocene, with all other diversification during the Pleistocene. Multiple lines of support, including phylogenetic relationships, a latitudinal gradient in genetic diversity, and relatively more stable long-term population sizes in southern phylogeographic groups, indicate that diversification in A. carolinensis occurred northward from southern Florida.
Data from: Diversification in wild populations of the model organism Anolis carolinensis: a genome-wide phylogeographic investigation
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Data from: Take this broken tail and learn to jump: the ability to recover from reduced in-air stability in tailless green anole lizards (Anolis carolinensis [Squamata: Dactyloidae])
Locomotion is involved in various fitness related tasks, such as foraging, acquiring mates and escaping from predators. Despite the importance of locomotor performance in determining fitness, animals often encounter situations in nature during which their locomotor performance is severely compromised. For animals that actively discard appendages as an antipredator strategy, the loss of appendages can cause a severe reduction in locomotor performance. However, whether animals can compensate for the impact on locomotor performance after autotomy is still unclear. A previous study has shown that tailless green anole lizards suffered from reduced in-air stability during jumping. In this study, we monitored jump kinematics in three groups of Anolis carolinensis for five consecutive weeks to test two hypotheses. First, whether tailless green anoles can recover from reduced in-air stability before their tails can regenerate. Second, whether gaining locomotor experience facilitates locomotor recovery. Our results revealed extensive individual variation in the ability to compensate for reduced in-air stability. Some individuals did improve in-air stability during the study period, whereas others showed no sign of improvement. Moreover, the acquisition of locomotor experience did not facilitate the recovery process. Our findings suggested that tail autotomy in green anoles likely imposes a long-term fitness disadvantage. The utility of other compensatory mechanisms, such as altering behavior, might play a role in natural populations to minimize the impact of autotomy on individual fitness. Our findings also shed some light on the independent evolutionary losses of the ability to autotomize within lizards. Comparative studies which test whether species that autotomize more frequently/easily can better compensate for the effect of autotomy would be a fruitful direction of future research.
Data from: Genome reannotation of the lizard Anolis carolinensis based on 14 adult and embryonic deep transcriptomes
Background: The green anole lizard, Anolis carolinensis, is a key species for both laboratory and field-based studies of evolutionary genetics, development, neurobiology, physiology, behavior, and ecology. As the first non-avian reptilian genome sequenced, A. carolinesis is also a prime reptilian model for comparison with other vertebrate genomes. The public databases of Ensembl and NCBI have provided a first generation gene annotation of the anole genome that relies primarily on sequence conservation with related species. A second generation annotation based on tissue-specific transcriptomes would provide a valuable resource for molecular studies. Results: Here we provide an annotation of the A. carolinensis genome based on de novo assembly of deep transcriptomes of 14 adult and embryonic tissues. This revised annotation describes 59,373 transcripts, compared to 16,533 and 18,939 currently for Ensembl and NCBI, and 22,962 predicted protein-coding genes. A key improvement in this revised annotation is coverage of untranslated region (UTR) sequences, with 79% and 59% of transcripts containing 5' and 3' UTRs, respectively. Gaps in genome sequence from the current A. carolinensis build (Anocar2.0) are highlighted by our identification of 16,542 unmapped transcripts, representing 6,695 orthologues, with less than 70% genomic coverage. Conclusions: Incorporation of tissue-specific transcriptome sequence into the A. carolinensis genome annotation has markedly improved its utility for comparative and functional studies. Increased UTR coverage allows for more accurate predicted protein sequence and regulatory analysis. This revised annotation also provides an atlas of gene expression specific to adult and embryonic tissues.
Data from: Genome reannotation of the lizard Anolis carolinensis based on 14 adult and embryonic deep transcriptomes
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Data from: Take this broken tail and learn to jump: the ability to recover from reduced in-air stability in tailless green anole lizards (Anolis carolinensis [Squamata: Dactyloidae])
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BioProject PRJNA381064: Convergent origination of a Drosophila-like dosage compensation mechanism in a reptile lineage (Allelic Gene Expression in Anolis carolinensis, single-cell RNA-seq)
GEO Series GSE100976. Anolis carolinensis. 7 samples. Type: Genome variation profiling by high throughput sequencing.
Gene expression profile at single-cell level of regenerating lizard (Anolis carolinensis) tail
GEO Series GSE234876. Anolis carolinensis. 10 samples. Type: Expression profiling by high throughput sequencing.
The transcriptome of embryos of the green anole, Anolis carolinensis, at 28 and 38 somite pair stages
GEO Series GSE34415. Anolis carolinensis. 2 samples. Type: Expression profiling by high throughput sequencing.
Artificial Light at Night Disrupts Circadian and Metabolic Gene Expression in the Green Anole Lizard (Anolis carolinensis): A Transcriptomic Analysis
GEO Series GSE291397. Anolis carolinensis. 142 samples. Type: Expression profiling by high throughput sequencing.
BioProject PRJNA381064: Convergent origination of a Drosophila-like dosage compensation mechanism in a reptile lineage (Allelic Gene Expression in Anolis carolinensis, bulk tissue RNA-seq)
GEO Series GSE107602. Anolis carolinensis. 15 samples. Type: Expression profiling by high throughput sequencing; Other.
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International Brain Laboratory public data
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OpenNeuro
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