Ontology highlight
ABSTRACT:
PROVIDER: PRJNA401004 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR5998742.fastq.gz | Fastqsanger.gz |
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Project description:By applying Illumina Novaseq 6000, Chlorella sp. TLD6B cells of the control group on day zero and 18, as well as under low salt stress (NaCl1) and under high salt stress (NaCl2) on day 18 were selected for transcriptome sequencing analysis. Meanwhile, 0.05 g/mL ( PEG1) and 0.1 g/mL PEG-6000 (medium for drought stress, PEG2 ) were used to prepare the drought-stressed Chlorella sp. TLD6B cells. Each treatment had two replicates. Clean data were filtered after the removal of adapters, poly-N strands, and low-quality reads. There were no reference genomes for Chlorella sp. TLD6B, and de novo assembly for clean reads was performed by using Trinity. The sequences were compared with databases such as NR, NT, Swiss-Pro, GO, KEGG, PFAM, and KOG using Blast X (e-value ≤ 10-5). The GO annotation of unigenes was obtained using BLAST2GO. FPKM method was used for the analysis of gene expression levels (Trapnell et al., 2010). Out of six samples, a total of 963,078,184 raw reads were generated. A total of 947,225,244 clean reads were obtained based on the base quality score and read length. Meanwhile, the GC percentage in clean reads reached nearly 66.0%, with Q20 being above 96%. A total of 219,577 transcripts with an average length of 1,394 bp were obtained. In total, 155,503 non-redundant unigenes were assembled for the following analyses. The length of the unigenes ranged from 200 bp to 23,825 bp, with an average length of 1,842 bp. Under different salt stress, verification had been conducted with qRT-PCR on nine unigenes of different pathways, which were related to lipid metabolism. The detection results by qRT-PCR were highly correlated with RNA-Seq results (r = 0.890, r2 = 0.791), which indicated that the RNA-Seq data of Chlorella sp. TLD6B under salt stress were accurate and reliable. Our study represents the first detailed analysis of Chlorella sp. TLD6B under salt stress transcriptomes. Hierarchical clustering of differentially expressed genes uncovered several currently uncharacterized genes that may contribute to the function about lipid accumulation of Chlorella sp. TLD6B under salt stress.
2021-04-16 | GSE162916 | GEO
Project description:Bacterial community associated with the Chlorella sp SAG 211-18 strain C596 Raw sequence reads
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Project description:To explore the bacterial community profile of the gut of the African palm weevil and to identify the abundance and diversity of lignin degradation-associated bacteria in each gut segment.
2025-01-01 | E-MTAB-13719 | biostudies-arrayexpress
Project description:The goals of this study are to compare NGS-derived transcriptome profiling (RNA-seq) of Seminavis robusta in presence and absence of associated bacterial spent medium (Maribacter sp. and Roseovarius sp.) in order to highlight the effect of bacterial exudates on diatom gene expression and metabolic processes.
2019-07-15 | GSE131727 | GEO
Project description:Diabetes and Arteriosclerosis progression are frequently observed in borderline Type 2 diabetes cases. Onset of complications (arteriosclerosis and renal damage) due to Type 2 diabetes is well documented; it is extremely important to prevent or delay their progression. Type 2 diabetes onset and progression has been controlled through dietary habits and exercise, although these remain insufficient. Chlorella ingestion improves blood glucose and cholesterol concentrations in mice and humans, although no reports have evaluated Chlorella effects in borderline diabetics. Therefore, we conducted a randomized, placebo-controlled trial for borderline diabetics using laboratory results and comprehensive gene analysis as outcomes. Chlorella ingestion suppressed resistin gene expression, suggesting that Chlorella may be useful for preventing diabetes onset and ameliorating arteriosclerosis. Subjects were randomly divided into two groups: Chlorella group (n = 28) ingesting Chlorella powder (8.0 g/day) and placebo group (n = 29) ingesting lactose formulation (8.0 g/day) for 12 weeks. Blood and urine were collected every 4 weeks for laboratory tests. Gene expression analysis used RNA extracted from peripheral blood samples before and after 12 weeks of Chlorella or lactose ingestion.
2015-10-17 | E-GEOD-41767 | biostudies-arrayexpress
Project description:Chlorella has been used as a food supplement and has been reported to have health benefits. We used the forced swimming test to investigate the influence of Chlorella intake during muscle stress training in mice. Swimming time was about two-fold longer for the Chlorella intake mice than for the control mice. Microarray analysis revealed that the global expression profile of muscle from the Chlorella intake mice was similar to that for intact (nonswimming) mice rather than to that for control swimming mice. By contrast, oxidoreductase activity and the leukotriene synthesis pathway were repressed in Chlorella intake mice. According to measurement of the cytokine activities of primary cultures of spleen, Th1 cytokines, such as interferon-g・and interleukin-2, and granulocyte colony-stimulating factors, such as MIP-1a・ GMCSF, and IP-10, were decreased in control swimming mice, but these cytokines were rescued in the Chlorella intake mice. We suggest that the immune response during muscle training can be repressed by intake of Chlorella.
2011-01-19 | GSE15798 | GEO
Project description:Chlorella has been used as a food supplement and has been reported to have health benefits. We used the forced swimming test to investigate the influence of Chlorella intake during muscle stress training in mice. Swimming time was about two-fold longer for the Chlorella intake mice than for the control mice. Microarray analysis revealed that the global expression profile of muscle from the Chlorella intake mice was similar to that for intact (nonswimming) mice rather than to that for control swimming mice. By contrast, oxidoreductase activity and the leukotriene synthesis pathway were repressed in Chlorella intake mice. According to measurement of the cytokine activities of primary cultures of spleen, Th1 cytokines, such as interferon-gM-cM-^CM-;and interleukin-2, and granulocyte colony-stimulating factors, such as MIP-1aM-cM-^CM-; GMCSF, and IP-10, were decreased in control swimming mice, but these cytokines were rescued in the Chlorella intake mice. We suggest that the immune response during muscle training can be repressed by intake of Chlorella. The intact (nonswimming) and control (swimming) groups were fed normal food, and the Chlorella intake (swimming) group was fed food including 0.5% Chlorella powder. After 14days, the total RNA was isolated from muscle and samples was pooled for each group (n = 10 for each group).
2011-01-19 | E-GEOD-15798 | biostudies-arrayexpress
Project description:Green hydra (Hydra viridissima) harbors endosymbiotic Chlorella and have established a mutual relation. To identify the host hydra genes involved in the specific symbiotic relationship, transcriptomes of intact H. viridissima colonized with symbiotic Chlorella strain A99, aposymbiotic H.viridissima and H. viridissima artificially infected with other symbiotic Chlorella were compared by microarray analysis. The results indicated that genes involved in nutrition supply to Chlorella were upregulated in the symbiotic hydra. In addition, it was induced by supply of photosynthates from the symbiont to the host, suggesting cooperative metabolic interaction between the host and the symbiotic algae.
2018-04-01 | GSE97633 | GEO