Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

RNA-sequencing of abdominal fat body-enriched tissue of Drosophila fat body-specific Sdc RNAi knockdown and control

ABSTRACT: We report the transcriptome profile of one sequenced sample of mRNA isolated from pooled (20 from each genotype) abdomen fly extracts enriched in fat body content of fat body-specific Sdc RNAi knockdown and control flies Abdominal fat body mRNA profiles of 4-6-day old control and fat body-specific Sdc RNAi knockdown were generated by deep sequencing using Illumina HiSeq 2500

ORGANISM(S): Drosophila melanogaster

SUBMITTER: Maria De Luca

PROVIDER: E-GEOD-67001 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Knockdown expression of Syndecan in the fat body impacts nutrient metabolism and the organismal response to environmental stresses in Drosophila melanogaster.

Eveland Matthew M Brokamp Gabrielle A GA Lue Chia-Hua CH Harbison Susan T ST Leips Jeff J De Luca Maria M

Biochemical and biophysical research communications 20160608 1

The heparan sulfate proteoglycan syndecans are transmembrane proteins involved in multiple physiological processes, including cell-matrix adhesion and inflammation. Recent evidence from model systems and humans suggest that syndecans have a role in energy balance and nutrient metabolism regulation. However, much remains to be learned about the mechanisms through which syndecans influence these phenotypes. Previously, we reported that Drosophila melanogaster Syndecan (Sdc) mutants had reduced met ...[more]

PMID: 27289019

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Project description:In honey bees, Vitellogenin (Vg) is hypothesized to be a major factor affecting hormone signaling, food-related behavior, immunity, stress resistance and lifespan. Likewise microRNAs play important roles in posttranscriptional gene regulation and affect many biological processes thereby showing many parallels to Vg functions. The molecular basis of Vg and microRNA interactions is largely unknown. Here, we exploited the well-established RNA interference (RNAi) protocol for Vg knockdown to investigate its effects on microRNA population in honey bee foragerM-bM-^@M-^Ys brain and fat body tissue. To identify microRNAs that are differentially expressed between tissues in control and knockdown foragers, we used M-BM-5ParafloM-BM-. microfluidic oligonucleotide microRNA microarrays. Our results show 76 and 74 miRNAs were expressed in the brain of control and knockdown foragers whereas 66 and 69 miRNAs were expressed in the fat body of control and knockdown foragers respectively. Target prediction identified potential seed matches for differentially expressed subset of microRNAs affected by Vg knockdown. These candidate genes are involved in a broad range of biological processes including insulin signaling, juvenile hormone (JH) and ecdysteroid signaling previously shown to affect foraging behavior. Thus, here we demonstrate a causal link between Vg expression-variation and variation in the abundance of microRNAs in different tissues with possible consequences for regulation of foraging behavior. We knocked down Vitellogenin (Vg) gene expression (using RNAi) in adult workers to identify potential downstream consequences on the expression of microRNA population in the fat body compared to control group (dsRNA-GFP injected bees). Six biological samples of fat body-derived small RNA fraction were prepared for each treatment group (dsRNA-Vg and dsRNA-GFP). Each biological sample contained pooled RNA from 5 unique individuals. Each fat body pool contained a total of 2 M-BM-5g of small RNA fraction, to which each of the 5 individuals contributed equally (400 ng). Pools were named as M-bM-^@M-^\control forager fat bodyM-bM-^@M-^] (GFFb) and M-bM-^@M-^\knockdown forager fat bodyM-bM-^@M-^] (VFFb), followed by a number from 1 to 6.

Dataset Information

RNA-sequencing of abdominal fat body-enriched tissue of Drosophila fat body-specific Sdc RNAi knockdown and control

Publications

Knockdown expression of Syndecan in the fat body impacts nutrient metabolism and the organismal response to environmental stresses in Drosophila melanogaster.

Similar Datasets

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