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ABSTRACT: Transcriptomic study of acute nitrite stress on ovary development stages of river shrimp (Macrobrachium nipponense)

PROVIDER: PRJNA1098363 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR28607152_1.fastq.gz	Fastqsanger.gz
	SRR28607152_2.fastq.gz	Fastqsanger.gz
	SRR28607153_1.fastq.gz	Fastqsanger.gz
	SRR28607153_2.fastq.gz	Fastqsanger.gz
	SRR28607154_1.fastq.gz	Fastqsanger.gz

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Transcriptome sequencing of Macrobrachium nipponense hepatopancreas at different nitrite concentrations

Project description:Macrobrachium nipponense is one of the commonest species threatened by ambient superfluous nitrite. The mechanism of nitrite stress at the molecular level was studied using de novo RNA-Seq to explore the molecular pathways in M. nipponense exposed to the acute nitrite stress (26.05 mg/L nitrite-N) for 24h and the chronic nitrite stress (6.58 mg/L nitrite-N) for 21d. A total of 175.13 million reads were obtained and assembled into 58,871 unigenes with an average length of 1,028.7 bp and N50 of 1,294bp. 2,824 and 2,610 unigenes in the acute and chronic nitrite stress were significantly differentially expressed respectively. Based on the change in GO analysis and KEGG pathway analysis, pathways both in the acute and chronic nitrite stress were glycosphingolipid biosynthesis - ganglio series, alanine aspartate and glutamate metabolism, biotin metabolism and amino sugar and nucleotide sugar metabolism which revealed the commonly functional pathways in acute and chronic nitrite stress. The markedly altered pathways were divided into four sections of immunity, metabolism, cell and others. Immunity section contained the most pathways among the classifications as phagosome, folate biosynthesis, glycerolipid metabolism, glycine, serine and threonine metabolism, selenoamino acid metabolism, cysteine and methionine metabolism, amino sugar and nucleotide sugar metabolism and taurine and hypotaurine metabolism in the acute nitrite stress and lysosome, alanine, aspartate and glutamate metabolism, arginine and proline metabolism, glycosaminoglycan degradation and amino sugar and nucleotide sugar metabolism in the chronic nitrite stress. This is the first report of whole molecular responses of M. nipponense under acute and chronic nitrite stress through de novo transcriptome sequencing. The findings of this study will further promote the understanding of the underlying molecular mechanisms of the nitrite stress for crustacean species.

2016-11-04 | GSE74684 | GEO

Comparative proteomic analysis of hepatopancreas reveals key proteins in regulatory mechanism of ovary maturation of Macrobrachium nipponense

Project description:Hepatopancreas proteomics analyses Macrobrachium nipponense, reveals key proteins in regulatory mechanism of ovary maturation of Macrobrachium nipponense.

2023-05-10 | PXD037141 | Pride

Identification and characterization analysis of the Oriental River Prawn (Macrobrachium nipponense) microRNA response to hypoxia using a deep sequencing approach [miRNA-Seq]

2016-06-01 | GSE72417 | GEO

Identification and characterization analysis of the Oriental River Prawn (Macrobrachium nipponense) microRNA response to hypoxia using a deep sequencing approach [miRNA microarray analysis]

2016-06-01 | GSE72416 | GEO

Project description:Sequencing of Macrobrachium nipponense under nitrite stress.

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Identification and characterization analysis of the Oriental River Prawn (Macrobrachium nipponense) microRNA response to hypoxia using a deep sequencing approach [miRNA-Seq]

Project description:MicroRNAs (miRNAs) function as regulators in a broad range of phenotypes. The Oriental River Prawn (Macrobrachium nipponense) is an important commercial species that is widely distributed in freshwater and low-salinity estuarine regions of China and other Asian countries. To date, there are no reports describing M. nipponense miRNAs. In this study, Solexa deep sequencing technology was used for high-throughput analysis of miRNAs in a small RNA library isolated from four M. nipponense tissues (gill, hepatopancreas, muscle and hemocytes). In total, 9,227,356 reads were obtained, 4,293,155 of which were related to 267 unique miRNAs, including 203 conserved and 64 prawn-specific miRNAs. Furthermore, miRNA features including length distribution and end variations were characterized. Annotation of targets revealed a broad range of biological processes and signal transduction pathways regulated by M. nipponense miRNAs. In addition, 880 co-expressed and 39 specific (25 normoxia-specific and 14 hypoxia-specific) miRNAs of four combined tissues of prawns that may be involved in the response to hypoxia were confirmed using miRNA microarray analysis. Real-time quantitative PCR (qPCR) analysis of eight miRNAs in the normoxia and hypoxia groups showed good concordance between the sequencing and qPCR data. This study provides the first large-scale identification and characterization of M. nipponense miRNAs and their potential targets, and represents a foundation for further characterization of their roles in the regulation of the diversity of hypoxia processes.

2016-06-01 | E-GEOD-72417 | biostudies-arrayexpress

Identification and characterization analysis of the Oriental River Prawn (Macrobrachium nipponense) microRNA response to hypoxia using a deep sequencing approach [miRNA microarray analysis]

2016-06-01 | E-GEOD-72416 | biostudies-arrayexpress

Macrobrachium nipponense

Project description:Gut microbiome in freshwater shrimp Macrobrachium nipponense

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Based on the Metabolomic Approach the Energy Metabolism Responses of Oriental River Prawn Macrobrachium nipponense Hepatopancreas to Acute Hypoxia and Reoxygenation

Project description:Hypoxia represents a major physiological challenge for prawns and is a problem in aquaculture. Therefore, an understanding of the metabolic response mechanism of economically important prawn species to hypoxia and re-oxygenation is essential. However, little is known about the intrinsic mechanisms by which the oriental river prawn Macrobrachium nipponense copes with hypoxia at the metabolic level. In this study, we conducted gas chromatography-mass spectrometry-based metabolomics studies and assays of energy metabolism-related parameters to investigate the metabolic mechanisms in the hepatopancreas of M. nipponense in response to 2.0 O2/L hypoxia for 6 and 24 h, and reoxygenation for 6 h following hypoxia for 24 h. Prawns under hypoxic stress displayed higher glycolysis-related enzyme activities and lower mRNA expression levels of aerobic respiratory enzymes than those in the normoxic control group, and those parameters returned to control levels in the reoxygenated group. Our results showed that hypoxia induced significant metabolomic alterations in the prawn hepatopancreas within 24 h. The main metabolic alterations were depletion of amino acids and 2-hydroxybutanoic acid and accumulation of lactate. Further, the findings indicated that hypoxia disturbed energy metabolism and induced antioxidant defense regulation in prawns. Surprisingly, recovery from hypoxia (i.e., reoxygenation) significantly affected 25 metabolites. Some amino acids (valine, leucine, isoleucine, lysine, glutamate, and methionine) were markedly decreased compared to the control group, suggesting that increased degradation of amino acids occurred to provide energy in prawns at reoxygenation conditions. This study describes the acute metabolomic alterations that occur in prawns in response to hypoxia and demonstrates the potential of the altered metabolites as biomarkers of hypoxia.

2021-05-17 | MTBLS584 | MetaboLights

Macrobrachium nipponense

Project description:Transcriptome sequencing of Macrobrachium nipponense hepatopancreas at different nitrite concentrations

| PRJNA301151 | ENA