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Literature DB >> 12107147

Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.

Ulrike Mäder¹, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker.

Abstract

A comprehensive study of Bacillus subtilis gene expression patterns in response to amino acid availability was performed by means of proteomics and transcriptomics. The methods of two-dimensional protein gel electrophoresis and DNA macroarray technology were combined to analyze cells exponentially grown in minimal medium with and without 0.2% Casamino Acids (CAA). This approach revealed about 120 genes predominantly involved in amino acid biosynthesis, sporulation, and competence, which were downregulated in CAA-containing medium. Determination of sporulation frequencies confirmed the physiological relevance of the expression data.

Entities: Chemical Species

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Year: 2002 PMID： 12107147 PMCID： PMC135197 DOI： 10.1128/JB.184.15.4288-4295.2002

Source DB: PubMed Journal: J Bacteriol ISSN： 0021-9193 Impact factor: 3.490

38 in total

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19 in total

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Journal: J Bacteriol Date: 2014-08-25 Impact factor: 3.490

4. A loop loop interaction and a K-turn motif located in the lysine aptamer domain are important for the riboswitch gene regulation control.

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