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ArrayExpress update - from bulk to single-cell expression data

delete2018-10-24
delete434
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OA
AI
A
Awais Athar
A
Anja Füllgrabe
N
Nancy George
H
Haider Iqbal
L
Laura Huerta
A
Ahmed Yousif Ali
C
Catherine Snow
N
Nuno A. Fonseca
R
Robert Petryszak
I
Irene Papatheodorou
U
Uğis Sarkans
A
Alvis Brāzma *
DOI:10.1093/nar/gky964delete
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Abstract

Abstract

En 中文
ArrayExpress (https://www.ebi.ac.uk/arrayexpress) is an archive of functional genomics data from a variety of technologies assaying functional modalities of a genome, such as gene expression or promoter occupancy. The number of experiments based on sequencing technologies, in particular RNA-seq experiments, has been increasing over the last few years and submissions of sequencing data have overtaken microarray experiments in the last 12 months. Additionally, there is a significant increase in experiments investigating single cells, rather than bulk samples, known as single-cell RNA-seq. To accommodate these trends, we have substantially changed our submission tool Annotare which, along with raw and processed data, collects all metadata necessary to interpret these experiments. Selected datasets are re-processed and loaded into our sister resource, the value-added Expression Atlas (and its component Single Cell Expression Atlas), which not only enables users to interpret the data easily but also serves as a test for data quality. With an increasing number of studies that combine different assay modalities (multi-omics experiments), a new more general archival resource the BioStudies Database has been developed, which will eventually supersede ArrayExpress. Data submissions will continue unchanged; all existing ArrayExpress data will be incorporated into BioStudies and the existing accession numbers and application programming interfaces will be maintained.
Keywords:
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GENE
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Journal

Nucleic Acids Research cover
Nucleic Acids Research
IF:
13.1
Papers:
3.6W
Citations:
29.0W

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E
european molecular biology laboratory (embl)
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wellcome trust sanger institute
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