U.S. flag

An official website of the United States government

Format

Send to:

Choose Destination

SRX24549884: GSM8266988: dclA/B_48_3; Aspergillus fumigatus; ncRNA-Seq
1 ILLUMINA (Illumina NovaSeq 6000) run: 17.1M spots, 854.6M bases, 248.7Mb downloads

External Id: GSM8266988_r1
Submitted by: Junior Resaerch Group RNA Biology of Fungal Infections, Leibniz Institute for Natural Product Research and Infection Biology
Study: sRNA-seq of Aspergillus fumigatus RNAi double knockouts
PRJNA1111541 • SRP507639 • All experiments • All runs
show Abstracthide Abstract
The RNA interference (RNAi) pathway has evolved numerous functionalities in eukaryotes, with many on display in Kingdom Fungi. RNAi can regulate gene expression, facilitate drug resistance, or even be altogether lost to improve virulence potential in some fungal pathogens. In the WHO fungal priority pathogen, Aspergillus fumigatus, the RNAi system is known to be intact and functional. To extend our limited understanding of A. fumigatus RNAi, we performed a multi-condition sRNA-seq analysis comparing expression of several RNAi double knockout mutants with the wild-type strain in conidia and mycelium grown for 24 or 48 hours. Overall design: Small RNA profiling analysis of RNAi double knockouts (??dclA/B, ??ppdA/B, ??rrpA/B) in the RNAi pathway of Aspergillus fumigatus conidia, 24-h-mycelium, and 48-h-mycelium.
Sample: đťš«dclA/B_48_3
SAMN41396786 • SRS21294270 • All experiments • All runs
Library:
Name: GSM8266988
Instrument: Illumina NovaSeq 6000
Strategy: ncRNA-Seq
Source: TRANSCRIPTOMIC
Selection: size fractionation
Layout: SINGLE
Construction protocol: Total RNA was isolated from three biological replicates of CEA17ΔakuBKU80, ΔppdA/B, ΔdclA/B, and ΔrrpA/B knockout strains from conidia, 24-h-, and 48-h-old mycelium. For A. fumigatus conidia, the spores were first homogenized in a bead beater (0.5 mm beads; FastPrep-24, MP Biomedicals) in Trizol. Fungal mycelium was collected from liquid culture using Miracloth (Millipore) and disrupted in liquid nitrogen using a precooled mortar and pestle. Roughly 0.5 g of homogenized mycelium was transferred into a 2-ml Eppendorf tube. 800 µl TRIzol was added to the ground mycelia and vortexed vigorously. Tubes were frozen briefly for 5 sec in liquid nitrogen and allowed to thaw on ice. To all samples, chloroform was added to the fungal samples in TRIzol, vortexed, and centrifugated for 5 min at 4°C at full speed. The aqueous upper phase was transferred to a fresh 2-ml tube without disturbing the interphase. RNA extraction from aqueous phase was done with 1 volume of phenol/chloroform/isoamyl alcohol (25:24:1, v/v). Brief vortexing preceded centrifugation for 5 min at 4°C. RNA was precipitated using 400 µl isopropanol for 20 min, followed by pelleting by centrifugation for 20 min at 4°C. The pellet was washed with 700 µl 70% ethanol and air dried at 37°C for 5 min prior to resuspension in RNase free water. The RNA isolation was followed by a DNase treatment using 2 units of TURBO DNase (Thermo Fisher) per 10 µg RNA for 30 min at 37°C in 100 µl total volume. Total RNA was then collected using the RNA Clean and Concentrator-25 kit (Zymo Research) according to the manufacturer's instructions. These samples were collected simultaneously as matched samples with those reported in GEO Series GSE223618. Libraries were constructed by Novogene. According to the manufacturer, 3' and 5' adaptors were ligated to 3' and 5' ends of small RNA, repsectively. Then the first strand cDNA was synthesized after hybridization with reverse transcription primer. The double-stranded cDNA library was generated through PCR enrichment. After purification and size selection, libraries with insertions between 18-40 bp were ready for sequencing with SE50.
Runs: 1 run, 17.1M spots, 854.6M bases, 248.7Mb
Run# of Spots# of BasesSizePublished
SRR2902440617,091,770854.6M248.7Mb2024-05-25

ID:
32867884

Supplemental Content

Recent activity

Your browsing activity is empty.

Activity recording is turned off.

Turn recording back on

See more...