AYUMS

An algorithm for completely automatic quantitation based on LC-MS/ MS proteome data and its application to the analysis of signal transduction

Ayumu Saito, Masao Nagasaki, Masaaki Oyama, Hiroko Kozuka-Hata, Kentaro Senba, Sumio Sugano, Tadashi Yamamoto, Satoru Miyano

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Background: Comprehensive description of the behavior of cellular components in a quantitative manner is essential for systematic understanding of biological events. Recent LC-MS/MS (tandem mass spectrometry coupled with liquid chromatography) technology, in combination with the SILAC (Stable Isotope Labeling by Amino acids in Cell culture) method, has enabled us to make relative quantitation at the proteome level. The recent report by Blagoev et al. (Nat. Biotechnol., 22, 1139-1145, 2004) indicated that this method was also applicable for the time-course analysis of cellular signaling events. Relative quatitation can easily be performed by calculating the ratio of peak intensities corresponding to differentially labeled peptides in the MS spectrum. As currently available software requires some GUI applications and is time-consuming, it is not suitable for processing large-scale proteome data. Results: To resolve this difficulty, we developed an algorithm that automatically detects the peaks in each spectrum. Using this algorithm, we developed a software tool named AYUMS that automatically identifies the peaks corresponding to differentially labeled peptides, compares these peaks, calculates each of the peak ratios in mixed samples, and integrates them into one data sheet. This software has enabled us to dramatically save time for generation of the final report. Conclusion: AYUMS is a useful software tool for comprehensive quantitation of the proteome data generated by LC-MS/MS analysis. This software was developed using Java and runs on Linux, Windows, and Mac OS X. Please contact ayumsιms.u-tokyo.ac.jp if you are interested in the application. The project web page is http://www.csml.org/ayums/.

Original languageEnglish
Article number15
JournalBMC Bioinformatics
Volume8
DOIs
Publication statusPublished - 2007
Externally publishedYes

Fingerprint

Signal transduction
Signal Transduction
Proteome
Software
Proteins
Software Tools
Peptides
Cell signaling
Cell Culture
Liquid chromatography
Mass Spectrometry
Linux
Graphical user interfaces
Chromatography
Cell culture
Isotopes
Labeling
Java
Mass spectrometry
Amino Acids

ASJC Scopus subject areas

  • Medicine(all)
  • Structural Biology
  • Applied Mathematics

Cite this

AYUMS : An algorithm for completely automatic quantitation based on LC-MS/ MS proteome data and its application to the analysis of signal transduction. / Saito, Ayumu; Nagasaki, Masao; Oyama, Masaaki; Kozuka-Hata, Hiroko; Senba, Kentaro; Sugano, Sumio; Yamamoto, Tadashi; Miyano, Satoru.

In: BMC Bioinformatics, Vol. 8, 15, 2007.

Research output: Contribution to journalArticle

Saito, Ayumu ; Nagasaki, Masao ; Oyama, Masaaki ; Kozuka-Hata, Hiroko ; Senba, Kentaro ; Sugano, Sumio ; Yamamoto, Tadashi ; Miyano, Satoru. / AYUMS : An algorithm for completely automatic quantitation based on LC-MS/ MS proteome data and its application to the analysis of signal transduction. In: BMC Bioinformatics. 2007 ; Vol. 8.
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