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2016 ; 6
(ä): 26447
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MetaTrans: an open-source pipeline for metatranscriptomics
#MMPMID27211518
Martinez X
; Pozuelo M
; Pascal V
; Campos D
; Gut I
; Gut M
; Azpiroz F
; Guarner F
; Manichanh C
Sci Rep
2016[May]; 6
(ä): 26447
PMID27211518
show ga
To date, meta-omic approaches use high-throughput sequencing technologies, which
produce a huge amount of data, thus challenging modern computers. Here we present
MetaTrans, an efficient open-source pipeline to analyze the structure and
functions of active microbial communities using the power of multi-threading
computers. The pipeline is designed to perform two types of RNA-Seq analyses:
taxonomic and gene expression. It performs quality-control assessment, rRNA
removal, maps reads against functional databases and also handles differential
gene expression analysis. Its efficacy was validated by analyzing data from
synthetic mock communities, data from a previous study and data generated from
twelve human fecal samples. Compared to an existing web application server,
MetaTrans shows more efficiency in terms of runtime (around 2?hours per million
of transcripts) and presents adapted tools to compare gene expression levels. It
has been tested with a human gut microbiome database but also proposes an option
to use a general database in order to analyze other ecosystems. For the
installation and use of the pipeline, we provide a detailed guide at the
following website (www.metatrans.org).