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Adiponectin in the mammalian host influences ticks' acquisition of the Lyme disease pathogen Borrelia

ABSTRACT: Adiponectin in the mammalian host influences ticks' acquisition of the Lyme disease pathogen Borrelia

PROVIDER: PRJNA977243 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24757983_1.fastq.gz	Fastqsanger.gz
	SRR24757983_2.fastq.gz	Fastqsanger.gz
	SRR24757984_1.fastq.gz	Fastqsanger.gz
	SRR24757984_2.fastq.gz	Fastqsanger.gz
	SRR24757985_1.fastq.gz	Fastqsanger.gz

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Adiponectin in the mammalian host influences ticks' acquisition of the Lyme disease pathogen Borrelia

Project description:To understand the global gene expression profile at the tick bite site of adiponectin wildtype and knockout mice

2023-09-06 | GSE233658 | GEO

Tick Adiponectin Receptor-Mediated Phospholipid Metabolism Contributes to Borrelia burgdorferi Colonization

Project description:Adiponectin-mediated pathways contribute to mammalian homeostasis; however, little is known about adiponectin and adiponectin receptor signaling in arthropods. In this study, we demonstrate that Ixodes scapularis ticks have an adiponectin receptor-like protein (ISARL) but lack adiponectin, suggesting activation by alternative pathways. ISARL expression is significantly upregulated in the tick gut after Borrelia burgdorferi infection, suggesting that ISARL signaling may be co-opted by the Lyme disease agent. Consistent with this, RNA interference (RNAi)-mediated silencing of ISARL significantly reduced the B. burgdorferi burden in the tick. RNA-seq-based transcriptomics and RNAi assays demonstrate that ISARL-mediated phospholipid metabolism by phosphatidylserine synthase I is associated with B. burgdorferi survival. Furthermore, the tick complement C1q-like protein 3 interacts with ISARL, and B. burgdorferi facilitates this process. This study identifies a new tick metabolic pathway that is connected to the life cycle of the Lyme disease spirochete.

2021-12-08 | GSE169293 | GEO

Adiponectin inhibits acquisition of the Lyme disease agent by ticks [Tick]

Project description:Adiponectin inhibits acquisition of the Lyme disease agent by ticks [Tick]

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Adiponectin inhibits acquisition of the Lyme disease agent by ticks [Tick]

Project description:Tick gut and salivary gland global gene expression change after feeding on adiponectin wildtype and knockout mice

2024-05-01 | GSE233660 | GEO

Adiponectin in the mammalian host influences ticks' acquisition of the Lyme disease pathogen Borrelia.

Project description:Arthropod-borne pathogens cause some of the most important human and animal infectious diseases. Many vectors acquire or transmit pathogens through the process of blood feeding. Here, we report adiponectin, the most abundant adipocyte-derived hormone circulating in human blood, directly or indirectly inhibits acquisition of the Lyme disease agent, Borrelia burgdorferi, by Ixodes scapularis ticks. Rather than altering tick feeding or spirochete viability, adiponectin or its associated factors induces host histamine release when the tick feeds, which leads to vascular leakage, infiltration of neutrophils and macrophages, and inflammation at the bite site. Consistent with this, adiponectin-deficient mice have diminished pro-inflammatory responses, including interleukin (IL)-12 and IL-1β, following a tick bite, compared with wild-type animals. All these factors mediated by adiponectin or associated factors influence B. burgdorferi survival at the tick bite site. These results suggest a host adipocyte-derived hormone modulates pathogen acquisition by a blood-feeding arthropod.

| S-EPMC10619873 | biostudies-literature

Borrelia PeptideAtlas: A proteome resource of common Borrelia burgdorferi isolates for Lyme community

Project description:Lyme disease is a result from an infection by the spirochete Borrelia burgdorferi, and is the leading vector-borne disease in North America. Due to the genomic and proteomic variability of different B. burgdorferi isolates, the study and further comparison of their proteome is key to understand the biology and infectivity of these spirochetes. Mass spectrometry-based proteomics was used to assemble peptide datasets of laboratory isolates B31, MM1, B31-ML23, and the infective isolates B31-5A4, B31-A3, and 297, as well as other public datasets, and is publicly available as the Borrelia PeptideAtlas (http://www.peptideatlas.org/builds/borrelia/). These datasets include information on total proteome, secretome, and membrane proteome of the B. burgdorferi.

2024-09-03 | PXD046281 | Pride

Borrelia burgdorferi gene expression in culture before and after antibody enrichment

Project description:Borrelia burgdorferi, the causative agent of Lyme disease, is transmitted to vertebrate hosts by Ixodes ticks. As it moves from tick to host, B. burgdorferi must adapt to survive in a vastly different environment. During the tick bloodmeal, which lasts several days, B. burgdorferi is primed for mammalian infection, growing increasingly virulent as it senses cues from its surroundings in the tick. This conditioning is dependent on key transcriptional regulators; however, the downstream transcriptional changes occurring inside of the tick that promote B. burgdorferi transmission and infection are poorly understood due to technical difficulties in sequencing the B. burgdorferi transcriptome from inside of ticks. We developed a protocol to enrich and sequence B. burgdorferi from inside the tick, and we measured global transcriptional changes occurring in feeding ticks. We identified 192 genes that change expression twofold over the course of the tick bloodmeal, which were predominantly located on the plasmids of the genome. The majority of the upregulated genes encode proteins found at the cell envelope or proteins of unknown function, including 45 upregulated genes encoding outer surface lipoproteins. These genes that increase during feeding are candidates for future functional studies, which can help identify new targets for methods that aim to control the spread of Lyme disease.

2022-11-09 | GSE217146 | GEO

Transcription profiling of human umbilical vein endothelial cells treated with Interferon-gamma (IFN-g), Borrelia burgdorferi or both IFN-g and Borrelia or untreated to investigate immune responses to Lyme disease

Project description:Borrelia burgdorferi, the agent of Lyme disease, promotes pro-inflammatory changes in endothelium that lead to the recruitment of leukocytes. The host immune response to infection results in increased levels of IFN-gamma in the serum and lesions of Lyme disease patients that correlate with greater severity of disease. Therefore, the effect of IFN-gamma on the gene expression profile of primary human endothelial cells exposed to B. burgdorferi was determined. B. burgdorferi and IFN-gamma synergistically augmented the expression of 34 genes, seven of which encode chemokines. Six of these (CCL7, CCL8, CX3CL1, CXCL9, CXCL10, and CXCL11) attract T lymphocytes, and one (CXCL2) is specific for neutrophils. Synergistic production of the attractants for T cells was confirmed at the protein level. IL-1beta, TNF-alpha, and LPS also cooperated with IFN-gamma to induce synergistic production of CXCL10 by endothelium, indicating that IFN-gamma potentiates inflammation in concert with a variety of mediators. An in vitro model of the blood vessel wall revealed that an increased number of human T lymphocytes traversed endothelium exposed to B. burgdorferi and IFN-gamma, as compared to unstimulated endothelial monolayers. In contrast, addition of IFN-gamma diminished the migration of neutrophils across B. burgdorferi-activated endothelium. IFN-gamma thus alters gene expression by endothelium exposed to B. burgdorferi in a manner that promotes recruitment of T cells and suppresses that of neutrophils. This modulation may facilitate the development of chronic inflammatory lesions in Lyme disease. Experiment Overall Design: Human umbilical vein endothelial cells (HUVEC) were stimulated with Interferon-gamma (IFN-g), Borrelia burgdorferi or both IFN-g and Borrelia or were left unstimulated. Affymetrix HGU133 plus 2.0 slides were used in duplicate for each condition.

2008-06-14 | E-GEOD-6092 | biostudies-arrayexpress

Borrelia burgdorferi gene expression from inside its tick vector during a bloodmeal

2022-11-10 | GSE216261 | GEO

The Lyme disease bacterium, Borrelia burgdorferi, stimulates an inflammatory response in human choroid plexus epithelial cells

Project description:We report the results of gene expression profiling via RNA-sequencing of primary human choroid plexus epithelial cells in vitro that were infected with Borrelia burgdorferi, the causative agent of Lyme disease. Epithelial cells were cultured with B. burgdorferi for 48 hours prior to RNA isolation. Following high-throughput sequencing via Illumina HiSeq 4000, a total of 258 differentially expressed genes were identified. Subsequent data analysis indicates an inflammatory and immune response generated by the epithelial cells following infection, marked by chemotactic cytokines and interferon stimulated genes. Several genes associated with tight and adherens junctions were found to be downregulated. These data represent the first study to investigate the impact of B. burgdorferi on choroid plexus epithelial cells, implicating the choroid plexus in the pathogenesis of neurological manifestations of Lyme disease.

2020-07-10 | GSE153261 | GEO

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