B
Barbara Kalbacher
Researcher at Laboratory of Molecular Biology
Publications - 2
Citations - 684
Barbara Kalbacher is an academic researcher from Laboratory of Molecular Biology. The author has contributed to research in topics: Thin-layer chromatography & Stringent response. The author has an hindex of 2, co-authored 2 publications receiving 677 citations.
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Journal ArticleDOI
The Control of Ribonucleic Acid Synthesis in Escherichia coli V. CHARACTERIZATION OF A NUCLEOTIDE ASSOCIATED WITH THE STRINGENT RESPONSE
Michael Cashel,Barbara Kalbacher +1 more
TL;DR: Charge considerations, enzyme degradation studies, and labilities in acid and alkali lead to a structural assignment for MS I of guanosine 5'-diphosphate or 3'- or 2'-dphosphate (ppGpp).
Journal ArticleDOI
An improved method for thin-layer chromatography of nucleotide mixtures containing32P-labeled orthophosphate
TL;DR: Developing poly(ethylene)imine cellulose thin layers with phosphate solutions gives improved resolution of complex mixtures of nucleotides and minimizes the tailing of highly radioactive orthophosphate present in the mixtures and thus facilitates chromatographic analysis of crude acid extracts of phosphate-labeled bacteria.