Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Chitin oligosaccharide induction


ABSTRACT: Strain N16961 grown in M9 + 0.5 % lactate to OD 0.2. Culture was split and one part added 0.6 mM of indicated chitin oligosaccharide. Samples was isolated after 30 and 60 min. cDNA was prepared from 2 ug RNA and labeled with Cy3 (no induction) and Cy5 (induction with chitin oligosaccharide). Samples from at least two independent experiments and a total of four hybridizations for each chitin oligosaccharide and time. A growth condition experiment design type is where some part of the growth condition is changed for the purposes of the experiment, examples of growth conditions changed are media, temperature, humidity, light, nutrients. Using regression correlation

ORGANISM(S): Vibrio cholerae

SUBMITTER: Karin Meibom 

PROVIDER: E-GEOD-3101 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

The Vibrio cholerae chitin utilization program.

Meibom Karin L KL   Li Xibing B XB   Nielsen Alex T AT   Wu Cheng-Yen CY   Roseman Saul S   Schoolnik Gary K GK  

Proceedings of the National Academy of Sciences of the United States of America 20040201 8


Chitin, an insoluble polymer of GlcNAc, is an abundant source of carbon, nitrogen, and energy for marine microorganisms. Microarray expression profiling and mutational studies of Vibrio cholerae growing on a natural chitin surface, or with the soluble chitin oligosaccharides (GlcNAc)(2-6), GlcNAc, or the glucosamine dimer (GlcN)2 identified three sets of differentially regulated genes. We show that (i) ChiS, a sensor histidine kinase, regulates expression of the (GlcNAc)(2-6) gene set, including  ...[more]

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