Use of ultra-performance liquid chromatography/time-of-flight mass spectrometry with nozzle-skimmer fragmentation for comprehensive quantitative analysis of secondary metabolites in Arabidopsis thaliana

Takanori Sugimoto, Takeshi Bamba, Yoshihiro Izumi, Hironari Nomura, Takashi Shiina, Eiichiro Fukusaki

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

抄録

This study sought to develop techniques for LC/MS-based metabolomics and to verify that an MS/MS spectral tag (MS2T) could be used in practical secondary metabolite profiling. The retention time (RT), precursor ions, and fragment ions generated by nozzle-skimmer fragmentation were determined using ultra-performance liquid chromatography/time-of-flight mass spectrometry (UPLC/TOF-MS) and compared with the MS2T. A standard mix was analyzed with UPLC/TOF-MS under the same conditions as were used to construct the MS2T. The difference in RT for the standards was less than 0.15 min and the average RSD was about 2.8%, suggesting that the analysis was highly repeatable. Both precursor ions and fragment ions were observed when the cone voltage was 75 V. Experimental data and fragmentation pattern in the MS2T annotation list were highly similar. Wild-type and cas-1 mutant Arabidopsis thaliana samples treated with an elicitor were analyzed using UPLC/TOF-MS. Sixty-five peaks were successfully annotated. Fragment ions were observed with nozzle-skimmer fragmentation in 50 of 65 (77%) peaks. The reliability of annotation may have increased as a result of fragment ions. Results of multivariate analysis suggested that cas-1 was related to induction of the biosynthesis of these flavonoids. The devised method facilitated practical secondary metabolite profiling.

元の言語英語
ページ(範囲)3587-3596
ページ数10
ジャーナルJournal of Separation Science
34
発行部数24
DOI
出版物ステータス出版済み - 12 1 2011
外部発表Yes

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Liquid chromatography
Metabolites
Mass spectrometry
Nozzles
Ions
Chemical analysis
Flavonoids
Biosynthesis
Cones
Electric potential

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Filtration and Separation

これを引用

Use of ultra-performance liquid chromatography/time-of-flight mass spectrometry with nozzle-skimmer fragmentation for comprehensive quantitative analysis of secondary metabolites in Arabidopsis thaliana. / Sugimoto, Takanori; Bamba, Takeshi; Izumi, Yoshihiro; Nomura, Hironari; Shiina, Takashi; Fukusaki, Eiichiro.

:: Journal of Separation Science, 巻 34, 番号 24, 01.12.2011, p. 3587-3596.

研究成果: ジャーナルへの寄稿記事

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