Ontology highlight
ABSTRACT:
PROVIDER: PRJNA974583 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24676003_1.fastq.gz | Fastqsanger.gz | |||
| SRR24676003_2.fastq.gz | Fastqsanger.gz | |||
| SRR24676004_1.fastq.gz | Fastqsanger.gz | |||
| SRR24676004_2.fastq.gz | Fastqsanger.gz | |||
| SRR24676005_1.fastq.gz | Fastqsanger.gz |
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Project description:The aim of this experiment is to compare the transcriptome of Drosophila hemocytes at two developmental stages: in stage 16 embryo, mostly free from any immune challenge and in larvae, which grow in bacteria rich environment. Transgenes inducing the expression of RFP in the hemocytes were used to sort the hemocytes from the two stages before carrying out the sequencing.
2020-03-12 | E-MTAB-8702 | biostudies-arrayexpress
Project description:The Drosophila lymph gland (LG) is the larval hematopoietic organ comprised of multipotent prohemocytes and mature hemocytes and has been a valuable model for understanding mechanisms underlying the hematopoiesis and immune responses. There are three types of mature hemocytes in the lymph gland; plasmatocytes, lamellocytes, and crystal cells, all of which are analogous to myeloid-lineage blood cells. To date, the Drosophila hematopoietic system has been primarily defined by classical genetic methods that may limit the promise of its advantage as a model. In this study, we used single-cell RNA sequencing method to comprehensively profile the heterogeneity of developing myeloid hemocytes in the wild-type lymph gland and their transitions upon active immunity caused by wasp infestation. Moreover, we compared hemocytes originated from the embryonic and the lymph gland hematopoiesis and unraveled genetic and cellular diversity of two different ancestries. Finally, hemocytes of the Drosophila lymph gland and human immune cells are contrasted at a transcriptome level, highlighting evolutionary conservations of myeloid cells across species. Overall, our single-cell RNA seq analyses disclose the development of myeloid hemocytes at a single-cell level and provide comparative insights into two different lineages of hemocytes in Drosophila and perspectives on the evolution of myeloid cells, serving as an ample resource for revealing essentials of the hematopoiesis.
2020-07-24 | GSE141273 | GEO
Project description:The Drosophila lymph gland (LG) is the larval hematopoietic organ comprised of multipotent prohemocytes and mature hemocytes and has been a valuable model for understanding mechanisms underlying the hematopoiesis and immune responses. There are three types of mature hemocytes in the lymph gland; plasmatocytes, lamellocytes, and crystal cells, all of which are analogous to myeloid-lineage blood cells. To date, the Drosophila hematopoietic system has been primarily defined by classical genetic methods that may limit the promise of its advantage as a model. In this study, we used single-cell RNA sequencing method to comprehensively profile the heterogeneity of developing myeloid hemocytes in the wild-type lymph gland and their transitions upon active immunity caused by wasp infestation. Moreover, we compared hemocytes originated from the embryonic and the lymph gland hematopoiesis and unraveled genetic and cellular diversity of two different ancestries. Finally, hemocytes of the Drosophila lymph gland and human immune cells are contrasted at a transcriptome level, highlighting evolutionary conservations of myeloid cells across species. Overall, our single-cell RNA seq analyses disclose the development of myeloid hemocytes at a single-cell level and provide comparative insights into two different lineages of hemocytes in Drosophila and perspectives on the evolution of myeloid cells, serving as an ample resource for revealing essentials of the hematopoiesis.
2020-07-25 | GSE141274 | GEO
Project description:We used the BDA DNBelabC4 platform to conduct single-cell RNA transcriptome sequencing on hemocytes before and after infection with WSSV, and to study the changes in hemocytes composition and antiviral mechanism of a crustacean virus infection represented by mud crab. The blood cells, or hemocytes, of the mud crab (Scylla paramamosain) play crucial roles in its innate immune system. These cells are involved in various immune responses, including phagocytosis, encapsulation, and the production of antimicrobial peptides. The hemocytes can be isolated and characterized using techniques such as flow cytometry, which helps in understanding their functions and interactions within the crab's immune system. White Spot Syndrome Virus (WSSV) is a highly contagious and lethal virus that primarily infects crustaceans, particularly shrimp and crabs. It is an enveloped double-stranded DNA virus, typically oval-shaped, measuring about 320nm in length and 100nm in width, making it one of the largest known viruses. WSSV is the causative agent of White Spot Syndrome, a disease that has caused significant economic losses in the aquaculture industry.
2026-01-12 | GSE289112 | GEO
Project description:To reveal the variations in transcriptome responses of hemocytes of B. mori after the parasitic infection.
2016-12-31 | GSE75520 | GEO
Project description:Comparison of the effects of 2 polydnaviruses (HdIV vs MdBV) injection on L5 Spodoptera frugiperda larvae hemocytes transcriptome.
2011-04-05 | GSE16775 | GEO
Project description:Circulating hemocytes in the hemolymph represent the backbone of innate immunity in bivalves. Hemocytes are also found in the extrapallial fluid (EPF), the space delimited between the shell and the mantle, which is the site of shell biomineralization. This study investigated the transcriptome, proteome, and function of hemocytes found in the EPF and hemolymph in the hard clam Mercenaria mercenaria. Total and differential hemocyte counts were similar between EPF and hemolymph. Overexpressed genes in the EPF were found to have domains previously identified as being part of the biomineralization toolkit and involved in bivalve shell formation. Biomineralization related genes included chitin-metabolism genes, carbonic anhydrase, perlucin, and insoluble shell matrix protein genes. Overexpressed genes in the EPF encoded proteins present at higher abundances in the EPF proteome, specifically those related to shell formation such as carbonic anhydrase and insoluble shell matrix proteins. Genes coding for bicarbonate and ion transporters were also overexpressed, suggesting that EPF hemocytes are involved in regulating the availability of ions critical for biomineralization. Functional assays also showed that Ca2+ content of hemocytes in the EPF were significantly higher than those in hemolymph, supporting the idea that hemocytes serve as a source of Ca2+ during biomineralization. Overexpressed genes and proteins also contained domains such as C1q that have dual functions in biomineralization and immune response. The percent of phagocytic granulocytes was not significantly different between EPF and hemolymph. Together, these findings suggest that hemocytes in EPF have dual functions of biomineralization and immunity.
2022-01-09 | MSV000088664 | MassIVE
Project description:Anopheline mosquitoes transmit Plasmodium parasites to humans, and are responsible for an estimated 219 million cases of malaria, leading to over 400,000 deaths annually. The mosquito’s immune system limits Plasmodium infection in several ways, and hemocytes, the insect white blood cells, are key players in these defense responses. However, the full functional diversity of mosquito hemocytes and their developmental trajectories have not been established. We use bulk RNA sequencing (scRNA-seq) to analyze the transcriptional profiles of hemocytes, of guts, and of carcasses of mosquito hemocytes in response to blood feeding or infection with Plasmodium. Data from three independent biological replicates for each condition and time-point (day 0, 1, 2, 3, and 7 after sugar-feeding, blood-feeding or P. berghei infection).
2020-08-27 | E-MTAB-9241 | biostudies-arrayexpress
Project description:Anopheline mosquitoes transmit Plasmodium parasites to humans, and are responsible for an estimated 219 million cases of malaria, leading to over 400,000 deaths annually. The mosquito’s immune system limits Plasmodium infection in several ways, and hemocytes, the insect white blood cells, are key players in these defense responses. However, the full functional diversity of mosquito hemocytes and their developmental trajectories have not been established. We use single cell RNA sequencing (scRNA-seq) to analyze the transcriptional profiles of individual mosquito hemocytes in response to blood feeding or infection with Plasmodium. Circulating hemocytes were collected from adult A. gambiae M form (A. coluzzii) females that were either kept on a sugar meal or fed on a healthy or a Plasmodium berghei-infected mouse. Transcriptomes from 5,383 cells (collected 1, 3, and 7 days after feeding) revealed nine major cell clusters.
2020-08-27 | E-MTAB-9240 | biostudies-arrayexpress