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Proteogenomics: concepts, applications and computational strategies

Open access
Nesvizhskii, Alexey I·2014·Nature Methods

Abstract

Proteogenomics is an area of research at the interface of proteomics and genomics. In this approach, customized protein sequence databases generated using genomic and transcriptomic information are used to help identify novel peptides (not present in reference protein sequence databases) from mass spectrometry–based proteomic data; in turn, the proteomic data can be used to provide protein-level evidence of gene expression and to help refine gene models. In recent years, owing to the emergence of new sequencing technologies such as RNA-seq and dramatic improvements in the depth and throughput of mass spectrometry–based proteomics, the pace of proteogenomic research has greatly accelerated. Here I review the current state of proteogenomic methods and applications, including computational strategies for building and using customized protein sequence databases. I also draw attention to the challenge of false positive identifications in proteogenomics and provide guidelines for analyzing the data and reporting the results of proteogenomic studies.

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Metadata

Authors
Nesvizhskii, A. I.
Venue
Nature Methods
Published
2014-10-30
Volume
11
Issue
11
Pages
1114-1125
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2026433130
Cited by
770
References
18
FWCI
28.57
Type
journal article
Language
en
Open access
green

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Nesvizhskii, A. I. (2014). Proteogenomics: concepts, applications and computational strategies. Nature Methods. https://doi.org/10.1038/nmeth.3144

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