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Metagenomic Insights into Endosymbionts and Pathogens of Rhipicephalus sanguineus s.l. ticks in Colombia: Unveiling the Tropical Lineage's Microbial Dynamics

ABSTRACT: Metagenomic studie for Rhipicephalus sanguineus s.l. ticks ticks in Colombia

PROVIDER: PRJEB64029 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR12085000_1.fastq.gz	Fastqsanger.gz
	ERR12085000_2.fastq.gz	Fastqsanger.gz
	ERR12085001_1.fastq.gz	Fastqsanger.gz
	ERR12085001_2.fastq.gz	Fastqsanger.gz
	ERR12085002_1.fastq.gz	Fastqsanger.gz

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Comparative proteomics of Coxiella Like Endosymbionts (CLEs) in the symbiotic organs of Rhipicephalus sanguineus ticks

Project description:Ticks (Acari: Ixodida) feed exclusively on blood which lacks essential nutrients such as vitamins and cofactors. These deficiencies are presumably complemented through specific symbiotic microorganisms such as Coxiella – Like Endosymbionts (CLEs) of Rhipicephalus ticks. CLE are localized in specialized host tissue cells within the Malpighian tubules (Mt) and the ovaries (Ov) from which they are maternally transmitted to developing oocytes. These two organs differ in function and cell types, and possibly also in activities performed by CLE occupants. To get insights into CLE functions within these two organs, we used comparative proteomics of CLEs in Mt and Ov of unfed R. sanguineus ticks

2022-02-17 | PXD026817 | Pride

Integrated analysis of sialotranscriptome and sialoproteome of the brown dog tick Rhipicephalus sanguineus (s.l.): insights into gene expression during blood feeding

Project description:Tick salivary glands secrete a complex saliva into their hosts which modulates vertebrate hemostasis, immunity and tissue repair mechanisms. In this work, we explored using transcriptomic and proteomic analysis the sialome of Rhipicephalus sanguineus (s.l.) adult female ticks feeding on a rabbit. Instead of grouping the ticks by days of feeding, we instead grouped them into six groups based on their weights which better demarks their feeding physiological state. We also included an unfed group. All groups had three replicates except for the unfed group that had two replicates. A total of 687 million reads from 20 libraries were assembled from which 71,643 coding sequences were extracted, 28,921 of which had a TPM (transcripts per million) of 10 or larger in at least one library. The translated transcripts served as a target database for a proteomic study, which identified 2,125 polypeptides. The correlations between transcriptional and translational results in the different groups were evaluated.

2021-05-03 | PXD018964 | Pride

Rhipicephalus sanguineus microbiota

Project description:Bacterial microbiota associated with Rhipicephalus sanguineus s.l. ticks from France, Senegal and Arizona

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Characterizing the Viral Diversity of Rhipicephalus sanguineus s.l in Colombia: Insights into Tick-Borne Viral Ecology

Project description:Characterizing the Viral Diversity of Rhipicephalus sanguineus s.l in Colombia

| PRJEB67590 | ENA

Bacterial microbiota associated with Rhipicephalus sanguineus (s.l.) ticks from France, Senegal and Arizona.

Project description:BackgroundTicks of the group Rhipicephalus sanguineus (sensu lato) are distributed worldwide and are major pathogen vectors of both dogs and humans. Previous phylogenetic reconstructions have suggested the existence of two main lineages within this group, "Tropical" and "Temperate". Symbiotic interactions contribute to vector development, survival, reproduction and competence. The diversity of microbial communities associated with different populations of R. sanguineus (s.l.) remains poorly characterized, however, this knowledge will aid in future studies of hosts-microbiota-pathogen interactions. To gain insight into the bacterial communities associated with R. sanguineus (s.l.) ticks, 40 specimens from France, Senegal and Arizona were analyzed by high-throughput 16S amplicon sequencing. All tick specimens were taxonomically classified using the mitochondrial 12S rDNA gene, which provides sufficient phylogenetic resolution to discriminate different lineages of R. sanguineus.ResultsRhipicephalus sanguineus (s.l.) samples from Senegal belonged to the "Tropical" lineage, samples from France belonged to the "Temperate" lineage, whereas both lineages were identified in samples from Arizona. Regardless of origin, each bacterial microbiota was dominated by three genera: Coxiella, Rickettsia and Bacillus. Rickettsia and Coxiella were the two main genera found in females whereas males had a higher proportion of Bacillus. Significant differences of relative abundances were evidenced between specimens from different geographical origins.ConclusionsThis study highlights differences in the microbiota composition within R. sanguineus (s.l.) specimens from different genotypes, genders and geographical origins. This knowledge will help in future studies of the symbiotic interactions, biology and vector competence of the R. sanguineus (s.l.) complex.

| S-EPMC5591579 | biostudies-literature

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Project description:Rhipicephalus sanguineus Metagenome

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