Project description:Vibrio parahaemolyticus is a Gram-negative bacterium commonly found in marine and estuarine environments. Acute hepatopancreatic necrosis disease (AHPND) caused by this bacterium is an ongoing problem among shrimp farming industries. V. parahaemolyticus proteins PirA and PirB have been determined to be major virulence factors that induce AHPND. In this study, Pacific white shrimp (Litopenaeus vannamei) were challenged with recombinant PirA and PirB by a reverse gavage method and then at 30 m, 1, 2, 4, and 6 h time points, the hepatopancreas of five individual shrimp were removed and placed into RNA later. We conducted RNA sequencing of the hepatopancreas samples from a no PirA/B control (n = 5) and PirA/B-treated shrimp at the different time intervals (n=5). We evaluated the different gene expression patterns between the time groups to the control with a focus on identifying differences in innate immune function.
2023-05-05 | GSE200137 | GEO
Project description:Whole genome sequencing of Indian white shrimp, Penaeus indicus
Project description:Profiles of gene expression in hepatopancreas isolated from shrimp experimentally infected with White Spot Syndrome Virus were compared to those of un-infected controls Keywords: response to viral disease Two groups of eight shrimp were compared in terms of hepatopancreas gene expression, 40 hours after challenge with White Spot Syndrome Virus
Project description:Profiles of gene expression in hepatopancreas isolated from shrimp experimentally infected with White Spot Syndrome Virus were compared to those of un-infected controls Keywords: response to viral disease
Project description:The pooled sample method is used in epigenomic research and expression analysis and is a cost-effective screening approach for small amounts of DNA. Evaluation of the pooled sample method in epigenomic studies is performed using the Illumina Infinium Methylation 450K BeadChip array; however, subsequent reports on the updated 850K array are lacking. A previous study demonstrated that the methylation levels obtained from individual samples were accurately replicated using pooled samples but did not address epigenome-wide association study (EWAS) statistics. The DNA quantification method, which is important for the homogeneous mixing of DNA in the pooled sample method, has since become fluorescence-based, and additional factors need to be considered including the resolution of batch effects of microarray chips and the heterogeneity of the cellular proportions from which the DNA samples are derived. In this study, four pooled samples were created from 44 individual samples, and EWAS statistics for differentially methylated positions (DMPs) and regions (DMRs) were conducted for individual samples and compared with the statistics obtained from the pooled samples.
Project description:In this study, the viral miRNAs from white spot syndrome virus (WSSV) were characterized in shrimp in vivo. On the basis of our previous study and small RNA sequencing in this study, a total of 89 putative WSSV miRNAs were identified. As revealed by miRNA microarray analysis, the expressions of viral miRNAs were tissue-specific in vivo.
Project description:Adult male grass shrimp were exposed for 96 hours to LC50 concentrations of either Fipronil, Endosulfan, or Cadmium, as well as a Carrier Control exposure. RNA was extracted from whole-body homogenates using the RNABee kit. Tags were clustered to identify tags diagnostic of the different exposures. Keywords: SAGE, Grass shrimp, ecotoxicogenomics 3 randomly selected shrimp were pooled for each library. Libraries were constructed using the I-SAGE long kit from Invitrogen.
Project description:Deep sequencing of mRNA from two macaques, crab-eating macaque and Indian rhesus macaque Analysis of ploy(A)+ RNA of different specimens:brain,ileum,kidney,liver,testes and white adipose for crab-eating macaque while brain,heart,,kidney,liver,quadriceps and testes for Indian rhesus macaque
Project description:In this study, the viral miRNAs from white spot syndrome virus (WSSV) were characterized in shrimp in vivo. On the basis of our previous study and small RNA sequencing in this study, a total of 89 putative WSSV miRNAs were identified. As revealed by miRNA microarray analysis, the expressions of viral miRNAs were tissue-specific in vivo. In this study, the viral miRNAs from white spot syndrome virus (WSSV) were characterized in shrimp in vivo. On the basis of our previous study and small RNA sequencing in this study, a total of 89 putative WSSV miRNAs were identified. As revealed by miRNA microarray analysis and Northern blots, the expressions of viral miRNAs were tissue-specific in vivo. Therefore, our study presented the first report on the in vivo molecular events of viral miRNA in the antiviral apoptosis.