Dicrocoelium dendriticum
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ABSTRACT:
PROVIDER: PRJNA1076674 | ENA |
REPOSITORIES: ENA
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Project description:Dicrocoelium dendriticum (liver fluke) genome assembly, htDicDend1, principal haplotype
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Project description:Dicrocoelium dendriticum (liver fluke), htDicDend1
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Project description:Dicrocoelium dendriticum (liver fluke) genomic and transcriptomic data
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Project description:Genomic assembly of trematode Dicrocoelium dendriticum, as part of the 50 Helminth Genomes Initiative sequencing of the parasitic worms that have the greatest impact on human, agricultural and veterinary disease and cause significant global health issues particularly in the developing world, or those used as model organisms.
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Project description:Opisthorchis viverrini (Asian liver fluke) genome assembly, htOpiVive1, alternate haplotype
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Project description:Dicrocoeliosis is a worldwide parasitic disease of ruminants which affects the liver. In this current study, the phylogenic pattern of Dicrocoelium species in Iranian native sheep from three different geographical regions was investigated by investigating a 520 bp fragment of mitochondirial NAD1 gene. The analysis of the NAD1 oligo nucleotide sequences from 10 D. dendriticum (GenBank accession numbers: MG889399 to MG889408) revealed few non-significant differences, suggesting limited application for NAD1 gene as a biomarker for study of genetic variation in Dicrocoelium. The morphometrical study also showed a significant relationship for the several morphometric indices among the Dicrocoelium spp. isolates from different regions of Iran.
| S-EPMC7244644 | biostudies-literature
Project description:Extracellular vesicles (EVs) released by the helminths Dicrocoelium dendriticum and Fasciola hepatica are important modulators of the host immune response, contributing to the establishment of the infection. Monocytes and, in particular, macrophages are major regulators of the inflammatory response and are likely responsible for the phagocytosis of most of the parasite EVs. In this study, we isolated EVs from F. hepatica (FhEVs) and D. dendriticum (DdEVs) by size exclusion chromatography (SEC) and characterized them by nanoparticle tracking analysis, transmission electron microscopy and LC-MS/MS, and analyzed the cohort of proteins. The treatment of monocytes/macrophages with FhEVs, DdEVs or EV-depleted fractions from SEC, demonstrated species-specific effects of the EVs. In particular, FhEVs reduce the migratory capacity of monocytes and the analysis of the cytokine profile showed that they induce a mixed M1/M2 response, exerting anti-inflammatory properties in Lipopolysaccharide-activated macrophages. In contrast, DdEVs do not affect monocyte migration and seem to have pro-inflammatory properties. These results correlate with the differences in the life cycle of both parasites, suggesting different host immune responses. Only F. hepatica migrates to the bile duct through the liver parenchyma, driving the host immune response to heal deep erosions. Furthermore, the proteomic analysis of the macrophages upon FhEV treatment identified several proteins that might be involved in FhEV-macrophage interactions.
| S-EPMC10114103 | biostudies-literature
Project description:BackgroundDicrocoelium dendriticum is a broadly distributed zoonotic helminth, which is mainly reported from domesticated and wild ruminants. There is little data covering the molecular features of this trematode; therefore, current study aimed to molecularly analyze D. dendriticum in livestock.MethodsTotally, 23 samples of D. dendriticum were collected from cattle, sheep, and goat from Ilam, Lorestan, and Khuzestan, three west and south-west provinces of Iran from February to August 2018. After genomic DNA extraction, the internal transcribed spacer (ITS) 2 fragment was amplified and sequenced in samples. To investigate genetic variations through the ITS 2 fragment of obtained D. dendriticum, phylogenetic tree and network analysis were employed.ResultsAll 23 samples were successfully amplified and sequenced. Phylogenetic tree showed that our samples were clearly grouped in a clade together with reference sequences. There was no grouping based on either geographical regions or hosts. Network analysis confirmed the phylogenetic findings and showed the presence of nine distinct haplotypes, while our samples together most of sequences, which were previously submitted to the GenBank, were grouped in the Hap1.ConclusionsOur findings indicated that although ITS 2 fragment discriminate D. dendriticum, this fragment is not suitable to study intra-species genetic variations. Therefore, exploring and describing new genetic markers could be more appropriate to provide new data about the genetic distribution of this trematode.
| S-EPMC9301869 | biostudies-literature