Metabolomic analysis of three Mollicute species

Anna A. Vanyushkina, Gleb Y. Fisunov, Alexey Y. Gorbachev, Dmitri E. Kamashev, Vadim M. Govorun

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

We present a systematic study of three bacterial species that belong to the class Mollicutes, the smallest and simplest bacteria, Spiroplasma melliferum, Mycoplasma gallisepticum, and Acholeplasma laidlawii . To understand the difference in the basic principles of metabolism regulation and adaptation to environmental conditions in the three species, we analyzed the metabolome of these bacteria. Metabolic pathways were reconstructed using the proteogenomic annotation data provided by our lab. The results of metabolome, proteome and genome profiling suggest a fundamental difference in the adaptation of the three closely related Mollicute species to stress conditions. As the transaldolase is not annotated in Mollicutes, we propose variants of the pentose phosphate pathway catalyzed by annotated enzymes for three species. For metabolite detection we employed high performance liquid chromatography coupled with mass spectrometry. We used liquid chromatography method - hydrophilic interaction chromatography with silica column - as it effectively separates highly polar cellular metabolites prior to their detection by mass spectrometer.

Original languageEnglish
Article numbere89312
JournalPLoS ONE
Volume9
Issue number3
DOIs
Publication statusPublished - 4 Mar 2014
Externally publishedYes

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