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7 results for “Amblyomma americanum”
Predicted genes from the Amblyomma americanum draft genome assembly
<p>Data for pub "Predicted genes from the <em>Amblyomma americanum </em>draft genome assembly."</p> <ul> <li>Amblyomma_americanum_filtered_assembly.fasta: Decontaminated A. americanum genome with bacterial contigs removed</li> <li>Amblyomma_americanum_bacterial_contigs_info.tsv: Information about contigs classified as bacteria that were removed</li> <li>Amblyomma_americanum_annotation_data.tar.gz: Directory of annotation data produced by EvidenceModeler as part of the nf-core/genomeannotator workflow. Includes files in FASTA format (predicted genes and proteins), set of proteins clustered at 99% identity in FASTA format, and annotations in both GFF3 and GTF formats. GTF file produced from the GFF3 file with AGAT.</li> <li>Amblyomma_americanum_transcriptome_assembly_data.tar.gz: Directory of data generated for the transcriptome assembly that was used for gene prediction</li> </ul>
Fig. 1 in Isolation of Metarhizium guizhouense and Metarhizium robertsii strains from soil-exposed Amblyomma americanum (Acarina: Ixodidae) from northwest Arkansas, USA
Fig. 1. Metarhizium robertsii (A-C, E) and Metarhizium guizhouense (D, F) from Amblyomma americanum ticks collected from northwest Arkansas (Washington County). (A) Sporulating M. robertsii (Savoy P2AM1/ARSEF 14332) growing on an infected adult male tick. (B) Inset of infected tick showing sporulating conidia in addition to mouthparts and coxal spurs diagnostic of A. americanum. (C, D) Metarhizium robertsii (Savoy P2AM1/ARSEF 14432) and M. guizhouense (West Fork P9N2/ ARSEF 14330), respectively, 10 d old colony on Sabouraud Dextrose Agar (plate diam = 60 mm). (E, F) Conidia of M. robertsii (Savoy P2AM1/ARSEF 14332) and M. guizhouense (West Fork P9N2/ARSEF 14330), respectively, viewed at 200× magnification (scale = 20 µm). Photos: Austin Goldsmith (A, B) and Louela Castrillo (C-F).
De novo assembly of a long-read Amblyomma americanum genome
<p>Genome assemblies of Amblyomma americanum generated from PacBio HiFi sequencing of 50 individual female ticks. This repository contains the unphased diploid assembly generated by the Flye assembler (Arcadia_Amblyomma_americanum_asm001.fasta). In addition, there are two associated fasta files containing sequences generated by submitting the unphased diploid assembly to separation by the Purge_Dups pipeline (purged pseudo-haploid assembly and haplotig assembly).</p> <p>Flye assembler: https://github.com/fenderglass/Flye</p> <p>Purge_Dups pipeline: https://github.com/dfguan/purge_dups</p> <p>NCBI Bioproject: PRJNA932813</p>
De novo assembly of a long-read Amblyomma americanum genome (NCBI/Genbank deposited genome)
<p>Genome assembly of Amblyomma americanum generated from PacBio HiFi sequencing of 50 individual female ticks. This repository contains the phased pseudo-haploid tick genome generated after assembly using Flye, phasing using Purge_Dups, and clean-up using custom python scripts generated in-house. </p> <p>NCBI Bioproject: PRJNA932813</p>
Population genetic structure and demographic history of the lone star tick, Amblyomma americanum (Ixodida: Ixodidae): new evidence supporting old records
Range expansions are a potential outcome of climate change. Population genetic structure and demography can be used as tools to evaluate hypotheses on changes in geographic distribution. In this study we explored the genetic variability, population genetic structure, demographic history, and habitat suitability of Amblyomma americanum, a North American tick species that is a known vector of several pathogenic microorganisms. We used a novel double digestion restriction site-associated DNA sequencing (dd-RAD seq), and we discovered 8181 independent single nucleotide polymorphisms (SNPs) from 189 ticks from across the geographic range of the species. Overall, genetic diversity was lower than expected. Further, the edge populations did not have a statistically significant lower diversity than core populations, and hypotheses of range expansion are not supported by a test based on genetic data. Nonetheless, moderate levels of population structure were detected among geographic regions, with the northeast cluster the least variable. Demographic and species distribution models support a scenario where A. americanum was present in more northern locations in the past, underwent a bottleneck, and is now recovering. These findings highlight the importance of demographic modeling and genomic data in assessing the recent history and genetic structure of pathogen vectors.
Population genetic structure and demographic history of the lone star tick, Amblyomma americanum (Ixodida: Ixodidae): new evidence supporting old records
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Gene expression changes in feeding female and male lone star ticks, Amblyomma americanum (L)
GEO Series GSE5010. Amblyomma americanum. 28 samples. Type: Expression profiling by array.
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