Ontology highlight
ABSTRACT:
PROVIDER: PRJNA830552 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR18894606_1.fastq.gz | Fastqsanger.gz | |||
| SRR18894606_2.fastq.gz | Fastqsanger.gz | |||
| SRR18894607_1.fastq.gz | Fastqsanger.gz | |||
| SRR18894607_2.fastq.gz | Fastqsanger.gz | |||
| SRR18894608_1.fastq.gz | Fastqsanger.gz |
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Project description:Effluents from sewage treatment plants contain a mixture of micropollutants with the potential of harming aquatic organisms. Thus, addition of advanced treatment techniques to complement existing conventional methods has been proposed. Some of the advanced techniques could, however, potentially produce additional compounds affecting exposed organisms by unknown modes of action. In the present study the aim was to improve our understanding of how exposure to different sewage effluents affects fish. This was achieved by explorative microarray and quantitative PCR analyses of hepatic gene expression, as well as relative organ sizes of rainbow trout exposed to different sewage effluents (conventionally treated, granular activated carbon, ozonation (5 or 15 mg/L), 5 mg/L ozone plus a moving bed biofilm reactor, or UV-light treatment in combination with hydrogen peroxide). Exposure to the conventionally treated effluent caused a significant increase in liver and heart somatic indexes, an effect removed by all other treatments. Genes connected to xenobiotic metabolism, including cytochrome p450 1A, were differentially expressed in the fish exposed to the conventionally treated effluents, though only effluent treatment with granular activated carbon or ozone at 15 mg/L completely removed this response. The mRNA expression of heat shock protein 70 kDa was induced in all three groups exposed to ozone-treated effluents, suggesting some form of added stress in these fish. The induction of estrogen-responsive genes in the fish exposed to the conventionally treated effluent was effectively reduced by all investigated advanced treatment technologies, although the moving bed biofilm reactor was least efficient. Taken together, granular activated carbon showed the highest potential of reducing responses in fish induced by exposure to sewage effluents.
2012-05-10 | GSE37574 | GEO
Project description:Human SP-A1 and SP-A2, encoded by SFTPA1 and SFTPA2 and their genetic variants differentially impact alveolar macrophage (AM) functions and regulation, including the miRNome. single dose of SP-A exogenous treatment of SP-A-KO mice prior to infection, after infection, or at the time of infection significantly improved survival. we investigated the role of exogenous SP-A protein treatment on the regulation of AM miRNome in SP-A-KO mice at the time of infection. Towards this, SP-A-KO male and female mice were infected with K. pneumoniae alone or in combination with exogenous SP-A2 (1A0) protein for 6 h, and the expression levels of AM miRNAs, target mRNAs of the significant miRNAs, and pathways involved were studied. We found (i) significant differences in AM miRNome of KO in terms of sex and exposure; (ii) the expression of the overwhelming majority of miRNA targets in KO males were increased in response to infection and exogenous SP-A2 (1A0) protein treatment at the time of infection; (iii) miRNA-mRNA targets were involved in the pro-inflammatory response, anti-apoptosis, cell cycle, cellular growth and proliferation pathways. These data may assist in studying molecular mechanisms of exogenous SP-A mediated the AM miRNome regulation and potentially identify novel therapeutic targets for K. pneumoniae infection.
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Project description:We conducted an untargeted metabolomic analysis of non-polar exometabolites from four phylogenetically and ecologically diverse eukaryotic microalgal strains grown in the laboratory: freshwater Chlamydomonas reinhardtii, brackish Desmodesmus sp., marine Phaeodactylum tricornutum, and marine Microchloropsis salina. We analyzed both exometabolomes and cell pellet metabolomes to identify released metabolites based on relative enrichment in the exometabolomes.
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Project description:Desmodesmus sp. (CNW-N) Raw sequence reads
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Project description:In humans there are two surfactant protein A (SP-A) functional genes SFTPA1 and SFTPA2 encoding innate immune molecules, SP-A1 and SP-A2, respectively, with numerous genetic variants each. SP-A interacts and regulates many of the functions of alveolar macrophages (AM). It is shown that SP-A variants differ in their ability to regulate the AM miRNome in response to oxidative stress (OxS). Because humans have both SP-A gene products, we were interested to determine the combined effect of co-expressed SP-A1/SP-A2 (co-ex) in response to ozone (O3) induced OxS on AM miRNome. Human transgenic (hTG) mice, carrying both SP-A1/SP-A2 (6A2/1A0, co-ex) and SP-A- KO were utilized. The hTG and KO mice were exposed to filtered air (FA) or O3 and miRNA levels were measured after AM isolation with or without normalization to KO. We found: (i) The AM miRNome of co-ex males and females in response to OxS to be largely downregulated after normalization to KO, but after Bonferroni multiple comparison analysis only in females the AM miRNome remained significantly different compared to control (FA); (ii) The targets of the significantly changed miRNAs were downregulated in females and upregulated in males; (iii) Several of the validated mRNA targets were involved in pro-inflammatory response, anti-apoptosis, cell cycle, cellular growth and proliferation; (iv) The AM of SP-A2 male, shown, previously to have major effect on the male AM miRNome in response to OxS, shared similarities with the co-ex, namely in pathways involved in the pro-inflammatory response and anti-apoptosis but also exhibited differences with the cell-cycle, growth, and proliferation pathway being involved in co-ex and ROS homeostasis in SP-A2 male. We speculate that the presence of both gene products versus single gene products differentially impact the AM responses in males and females in response to OxS.
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Project description:we performed a comparative proteomics analysis of Korla fragrant pear after inoculation with Alternaria sp., at 0h, 24h, 72h, 120 h using iTRAQ-based quantitative proteomic technique. This study aimed to investigate the protein species expression profiles in response to Alternaria sp., infection, explore the potential molecular mechanisms of Korla fragrant pear response against Alternaria sp., and further obtain a comprehensive understanding of Korla fragrant pear-Alternaria sp interactions. The finding may provide novel clues to Korla fragrant pear resistance to Alternaria sp., and may lay the foundation for an in-depth understanding of the interaction between Korla fragrant pear and Alternaria sp., at the proteome level.
2020-06-04 | PXD019558 |