Tick metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA494526 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR7962760_1.fastq.gz | Fastqsanger.gz | |||
| SRR7962760_2.fastq.gz | Fastqsanger.gz | |||
| SRR7962770_1.fastq.gz | Fastqsanger.gz | |||
| SRR7962770_2.fastq.gz | Fastqsanger.gz | |||
| SRR7962780_1.fastq.gz | Fastqsanger.gz |
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Project description:Ixodes species ticks are competent vectors of tick-borne viruses including tick-borne encephalitis and Powassan encephalitis. Tick saliva has been shown to facilitate and enhance viral infection. This likely occurs by saliva-mediated modulation of host responses into patterns favorable for viral infection and dissemination. Because of the rapid kinetics of tick-borne viral transmission, this modulation must occur as early as tick attachment and initiation of feeding. In this study, the gene expression profile of cutaneous bite-site lesions created by uninfected ticks were analyzed at 1, 3, 6, and 12 hours after Ixodes scapularis nymphal tick attachment to discover host pathways or responses potentially important in tick-borne viral establishment.
2012-12-21 | GSE39100 | GEO
Project description:Ixodes species ticks are competent vectors of tick-borne viruses including tick-borne encephalitis and Powassan encephalitis. Tick saliva has been shown to facilitate and enhance viral infection. This likely occurs by saliva-mediated modulation of host responses into patterns favorable for viral infection and dissemination. Because of the rapid kinetics of tick-borne viral transmission, this modulation must occur as early as tick attachment and initiation of feeding. In this study, the gene expression profile of cutaneous bite-site lesions created by uninfected ticks were analyzed at 1, 3, 6, and 12 hours after Ixodes scapularis nymphal tick attachment to discover host pathways or responses potentially important in tick-borne viral establishment. Four milimeter ear biopsies from BALB/cJ mice infested with Ixodes scapularis nymphs were assayed using Affymetrix genechip 430A 2.0 arrays at 1, 3, 6, and 12 hours after infestation during a primary exposure. 3 mice were measured at each time point. Controls were 3 similarly housed but tick-free mice.
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Project description:Bacterial communities in Ixodes persulcatus ticks from Northeast China
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Project description:Ticks are vectors of different pathogens causing human and animal diseases. Particularly, Rickettsia slovaca is zoonotic infectious bacterium transmitted by Dermacentor ticks, agent of tick-borne lymphadenopathy (TIBOLA), common across Europe. Current studies point to extreme complexity of bacterial induced effects in tick host. Systems biology tools, including proteomics, greatly contribute to understanding of molecular details of pathogen-tick-host interactions. Herein we compared laboratory-infected ticks with uninfected control after four weeks of incubation. Propagation of R. slovaca was confirmed by quantitative PCR. Using DNA was confirmed infection with R. slovaca. By proteomic approach, we discovered 33 differentially abundant gel spots, 23 of them accumulated upon artificial infection with R. slovaca. Modest 6.9% of tick proteome was affected. The protein localizations showing that eight proteins spots might be secreted, three cytoplasmic, two mitochondrial, six likely having multiple localizations, one cell membrane and one nucleus. We identified following proteins defensin, serpins, glycine-rich protein, heat shock protein involved in artificially infected tick vector, Dermacentor reticulatus. Discovered differentially abundant proteins should be further evaluated as targets to block the transmission of bacterial pathogen.
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Project description:Ticks, as obligate blood-feeding arthropod vectors of pathogenic viruses, bacteria, protozoa and helminths, are responsible for prevalent tick-borne diseases (TBDs) worldwide. This arthropod constitutes the second most common that transmit pathogens among humans, after mosquitoes, and the first vector in domestic animals. Vaccines constitute the safest and more effective approach to control tick and TBDs, but this is in constant research to identify new antigens and improve vaccines formulations. The tick antigen Subolesin is a well-known vaccine protective antigen with a highly conserved sequence at both gene and protein levels in the Ixodidae and among arthropods and vertebrates. In this study, RNAseq and proteomic analyses were carried out in wild type and Subolesin knockdown tick ISE6 cells in order to identify and characterize the functional implications of Subolesin in tick cells, demonstrating once again the importance of this antigen in vaccine development against tick and TBDs.
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