Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1006656 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25685508_1.fastq.gz | Fastqsanger.gz | |||
| SRR25685508_2.fastq.gz | Fastqsanger.gz | |||
| SRR25685509_1.fastq.gz | Fastqsanger.gz | |||
| SRR25685509_2.fastq.gz | Fastqsanger.gz | |||
| SRR25685510_1.fastq.gz | Fastqsanger.gz |
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Project description:Cyprinid herpesvirus 3 (CyHV-3), also known as koi herpesvirus (KHV), is the aetiological agent of an emerging and lethal disease in common and koi carp. In this work we studied the immune response of two genetically different lines of common carp (Polish K and Polish R3) infected with CyHV-3 by immersion. The two carp lines presented a 20% difference in survival rate and, furthermore, significant difference in virus loads measured at day 3 post infection (p.i.). Microarray analysis revealed that 581 genes in line K (330 up-regulated, 251 down-regulated) and 107 genes in line R3 (77 up-regulated, 30 down-regulated), were at least 2-fold differentially expressed at day 3 p.i. compared to day 0. Genes which were at least 4-fold differentially expressed in both lines were selected as potential markers of an infection of common carp by CyHV-3. This group includes 17 up-regulated and only 1 down-regulated genes. In addition, microarray analysis revealed no significant differences in gene expression between line K and R3 at day 0. At day 3 p.i. there were, however, 76 genes that were at least 2-fold differentially expressed between the two lines. The kinetics of expression of T cell markers and selected cytokines indicate for higher activation of immune response in more resistant R3 line. Thus, our study revealed that differences in resistance to CyHV-3 between two carp lines can be correlated with differentially expressed immune-related genes. The experiment included four biological replicates with no dye swaps for (i) each strain (K and R3) and (ii) each condition (day 0 and day 3).
2012-01-05 | E-GEOD-30426 | biostudies-arrayexpress
Project description:Cyprinid herpesvirus 3 (CyHV-3), also known as koi herpesvirus (KHV), is the aetiological agent of an emerging and lethal disease in common and koi carp. In this work we studied the immune response of two genetically different lines of common carp (Polish K and Polish R3) infected with CyHV-3 by immersion. The two carp lines presented a 20% difference in survival rate and, furthermore, significant difference in virus loads measured at day 3 post infection (p.i.). Microarray analysis revealed that 581 genes in line K (330 up-regulated, 251 down-regulated) and 107 genes in line R3 (77 up-regulated, 30 down-regulated), were at least 2-fold differentially expressed at day 3 p.i. compared to day 0. Genes which were at least 4-fold differentially expressed in both lines were selected as potential markers of an infection of common carp by CyHV-3. This group includes 17 up-regulated and only 1 down-regulated genes. In addition, microarray analysis revealed no significant differences in gene expression between line K and R3 at day 0. At day 3 p.i. there were, however, 76 genes that were at least 2-fold differentially expressed between the two lines. The kinetics of expression of T cell markers and selected cytokines indicate for higher activation of immune response in more resistant R3 line. Thus, our study revealed that differences in resistance to CyHV-3 between two carp lines can be correlated with differentially expressed immune-related genes.
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Project description:Genome-wide analysis of skin color-related lncRNA and mRNA expression in Koi carp, Cyprinus carpio L. LncRNAs information linked to fish skin color regulation is over-limited. In this study, Illumina sequencing and bioinformatics were primarily conducted on black, white and red skin colors of Koi carp. A total of 590,415,050 clean reads, 446,614 putative transcripts, 4,252 known and 72,907 novel lncRNAs were simultaneously obtained, respectively. Out of these genes, 92 significant differentially expressed lncRNAs and 722 mRNAs were excavated. Ccr_lnc5622441, Ccr_lnc765201 were found up-regulated in black and red skins; Ccr_lnc14074601 were up-regulated in white skin; and premelanosome proteins a (Pmela), tyrosinase (Tyr) were up-regulated in black skin, etc. Quantitative real-time PCR (qRT-PCR) further validated 12 differentially expressed genes were consistent with RNA-seq. Moreover, 70 lncRNAs on 107 target mRNAs in cis and 79 lncRNAs on 41,625 target mRNAs in trans were investigated, the networks revealed one lncRNAs can connected with numerous mRNAs, vice versa. These findings broadened the lncRNAs landscape of skin colors and provided new insights into the mechanisms underlying lncRNAs mediated pigmentation and differentiation in Koi carp.
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Project description:Viral infections are among the most common causes for fever without an apparent source (FWS) in young children; however, many febrile children are treated with antibiotics despite the absence of bacterial infection. Adenovirus, human herpesvirus 6 (HHV-6) and enterovirus are detected in children with FWS more often than other viral species. Virus and bacteria interact with pattern recognition receptors in circulating blood leukocytes and trigger specific host transcriptional programs that mediate immune response, and unique transcriptional signatures may be ascertained to discriminate between viral and bacterial causes for children with FWS. Microarray analyses were conducted on peripheral blood samples obtained from 51 pediatric patients with confirmed adenovirus, human herpesvirus 6 (HHV-6), enterovirus or bacterial infection. Whole blood transcriptional profiles could clearly distinguish febrile children from healthy controls, and febrile children with viral infections from afebrile children carrying the same virus. Molecular pathways regulating host immune response were the most affected in febrile children with infection. Pattern recognition programs were prominently activated in all febrile children with infection, while differential activation of transcriptional programs was observed among viral species. Interferon signaling pathway was uniquely activated in children with febrile viral infection, while a different set of pathways was uniquely activated in children with bacterial infection. Transcriptional signatures were identified and classified febrile children with viral or bacterial infection with 87% overall accuracy, an improvement from the current clinical practice of deducing from white blood cell (WBC) count status. Similar degree of accuracy was observed when we validated the signature probes on data sets from an independent study with different microarray platforms. The current study confirms the clinical utility of blood transcriptional analysis, suggests the composition of transcriptional signatures which can be used to ascertain the infectious etiology of febrile young children without an apparent source, thus limit the overuse of antibiotics on febrile children presenting with this common clinical complaint. Total RNA samples extracted from whole blood of young children were processed for hybridization onto Illumina Human-HT12 version 4 beadchips, and differential expression of the transcripts was analyzed between sick children with either viral or bacterial infection and healthy children.
2012-10-15 | E-GEOD-40396 | biostudies-arrayexpress
Project description:Viral infections are among the most common causes for fever without an apparent source (FWS) in young children; however, many febrile children are treated with antibiotics despite the absence of bacterial infection. Adenovirus, human herpesvirus 6 (HHV-6) and enterovirus are detected in children with FWS more often than other viral species. Virus and bacteria interact with pattern recognition receptors in circulating blood leukocytes and trigger specific host transcriptional programs that mediate immune response, and unique transcriptional signatures may be ascertained to discriminate between viral and bacterial causes for children with FWS. Microarray analyses were conducted on peripheral blood samples obtained from 51 pediatric patients with confirmed adenovirus, human herpesvirus 6 (HHV-6), enterovirus or bacterial infection. Whole blood transcriptional profiles could clearly distinguish febrile children from healthy controls, and febrile children with viral infections from afebrile children carrying the same virus. Molecular pathways regulating host immune response were the most affected in febrile children with infection. Pattern recognition programs were prominently activated in all febrile children with infection, while differential activation of transcriptional programs was observed among viral species. Interferon signaling pathway was uniquely activated in children with febrile viral infection, while a different set of pathways was uniquely activated in children with bacterial infection. Transcriptional signatures were identified and classified febrile children with viral or bacterial infection with 87% overall accuracy, an improvement from the current clinical practice of deducing from white blood cell (WBC) count status. Similar degree of accuracy was observed when we validated the signature probes on data sets from an independent study with different microarray platforms. The current study confirms the clinical utility of blood transcriptional analysis, suggests the composition of transcriptional signatures which can be used to ascertain the infectious etiology of febrile young children without an apparent source, thus limit the overuse of antibiotics on febrile children presenting with this common clinical complaint.
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Project description:Proteomic and Phosphoproteomic Analyses Reveal Gibel Carp Responses to Cyprinid Herpesvirus 2 Infection
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