NCBI Logo
GEO Logo
   NCBI > GEO > Accession DisplayHelp Not logged in | LoginHelp
GEO help: Mouse over screen elements for information.
          Go
Sample GSM6034961 Query DataSets for GSM6034961
Status Public on Dec 28, 2023
Title Skin of a patient affected by diffuse (anti Scl70/RNA Pol III) sclerodermia [C_21_D]
Sample type SRA
 
Source name skin
Organism human skin metagenome
Characteristics sample: C_21_D
disease type: diffuse
patientid: 21
Growth protocol Stool, skin and saliva samples were collected and stored at -80°C
Extracted molecule genomic DNA
Extraction protocol Genomic DNA extraction with DNeasy PowerLyzer PowerSoil Kit (Qiagen, Hilden, Germany)
Illumina 16S Metagenomic Sequencing Library Preparation protocol ( see https://emea.support.illumina.com)
 
Library strategy OTHER
Library source genomic
Library selection other
Instrument model Illumina MiSeq
 
Description 16S V3-V4 sequencing of skin from patient 21 affected by diffuse systemic sclerosis
Data processing demultiplexing: from raw to demultiplexed fastq files please contact IGA Technology Services (Udine, Italy)
pair merging: micca mergepairs -i pair1.fastq -r pair2.fastq -o out.joined.fastq -l 30 -d 5
primer check and trimming: micca trim -i out.joined.fastq -o out.trimmed.fastq -w CCTACGGGNBGCWSCAG -r GACTACHVGGGTATCTAATCC -W -R -c
quality check: micca filter -i out.trimmed.fastq -o out.hiqual.fastq -e 0.5 -m 350 -f fastq
read merging: micca merge -i *.hiqual.fastq -o merged.fastq -f fastq
OTU table creation by clustering: micca otu -m denovo_greedy -i merged.fasta -o otudata -d 0.97 -c -t 20
taxonomic assignment (RDP): micca classify -m rdp -i otudata/otus.fasta -o otudata/taxa.txt
further analyses: R phyloseq package (see https://github.com/matteoramazzotti/papers/tree/main/2022sclero)
Library strategy: paired-end amplicon sequencing
 
Submission date Apr 08, 2022
Last update date Dec 28, 2023
Contact name Matteo Ramazzotti
E-mail(s) matteo.ramazzotti@unifi.it
Organization name University of Florence
Department Experimental and Clinical Biomedical Sciences
Street address viale Morgagni 50
City Firenze
ZIP/Postal code 50134
Country Italy
 
Platform ID GPL32156
Series (1)
GSE200486 16S V3-V4 -based microbial profiling of stool, skin and saliva samples of patients affected by systemic sclerosis (SSc)
Relations
BioSample SAMN27478836
SRA SRX14787057

Supplementary data files not provided
SRA Run SelectorHelp
Raw data are available in SRA
Processed data are available on Series record

| NLM | NIH | GEO Help | Disclaimer | Accessibility |
NCBI Home NCBI Search NCBI SiteMap