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Cell wide response to low oxygen exposure in Desulfovibrio vulgaris Hildenborough

ABSTRACT: We investigated the effects of low level oxygen on Desulfovibrio vulgaris Hildenborough using microarrays. Keywords: time course, stress response

ORGANISM(S): Nitratidesulfovibrio vulgaris str. Hildenborough

PROVIDER: GSE7816 | GEO | 2007/07/01

SECONDARY ACCESSION(S): PRJNA100043

REPOSITORIES: GEO

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Cell wide response to low oxygen exposure in Desulfovibrio vulgaris Hildenborough

Project description:We investigated the effects of low level oxygen on Desulfovibrio vulgaris Hildenborough using microarrays. Keywords: time course, stress response Comparison of cells treated with 1000 ppm oxygen to untreated cells at 60,120,240 min.

2010-06-10 | E-GEOD-7816 | biostudies-arrayexpress

Cell wide response to air exposure in Desulfovibrio vulgaris Hildenborough

Project description:We investigated the effects of air exposure on Desulfovibrio vulgaris Hildenborough using microarrays. Keywords: stress response, time course

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Cell wide response to air exposure in Desulfovibrio vulgaris Hildenborough

Project description:We investigated the effects of air exposure on Desulfovibrio vulgaris Hildenborough using microarrays. Keywords: stress response, time course Comparison of cells treated with air to untreated cells at 0,10,30,120,240 min.

2007-08-08 | E-GEOD-8196 | biostudies-arrayexpress

Effect of carbon monoxide and the CO sensor CooA on gene expression in Desulfovibrio vulgaris Hildenborough

Project description:Investigating the role of carbon monoxide and a CO sensor protein CooA in the physiology of Desulfovibrio vulgaris Hildenborough using whole genome expression analysis

2012-07-31 | GSE36770 | GEO

Nitrate Stress in Desulfovibrio vulgaris Hildenborough

Project description:Using data from microarray experiments, we investigated the effects of excess sodium nitrate on Desulfovibrio vulgaris. Keywords: stress response, time course

2010-06-22 | GSE20079 | GEO

Coculture of Desulfovibrio vulgaris Hildenborough and Methanococcus maripaludis

Project description:Using data from microarray experiments we investigated a coculture of D. vulgaris Hildenborough and Methanococcus maripaludis.

2011-11-01 | GSE30831 | GEO

Coculture of Desulfovibrio vulgaris Hildenborough and Methanococcus maripaludis

Project description:Using data from microarray experiments we investigated a coculture of D. vulgaris Hildenborough and Methanococcus maripaludis. Using data from microarray experiments we investigated a coculture of D. vulgaris Hildenborough and Methanococcus maripaludis.

2011-11-01 | E-GEOD-30831 | biostudies-arrayexpress

Salt (NaCl and KCl) Stress in Desulfovibrio vulgaris Hildenborough

Project description:Recent interest in the ability of Desulfovibrio vulgaris Hildenborough to reduce, and therefore contain, toxic and radioactive metal waste, has made all factors that affect its physiology of great interest. Increased salinity constitutes an important and frequent fluctuation faced by D. vulgaris in its natural habitat. Using data from microarray experiments, as well as other laboratory analyses, we used a systems approach to explore the effects of excess NaCl on D. vulgaris. This study demonstrates that import of osmoprotectants such as glycine betaine and ectoine constitute the primary mechanism used by D. vulgaris to counter hyper-ionic stress. Several efflux systems also were highly up-regulated, as was the ATP synthesis pathway. Increase in both RNA and DNA helicases suggested that salt stress had affected the stability of nucleic acid base pairing. An immediate response to salt stress included up-regulation of chemotaxis genes though flagellar biosynthesis was down-regulated. Other down-regulated systems included lactate uptake permeases and ABC transport systems. The extensive NaCl stress analysis was compared with microarray data from KCl stress and unlike many other bacteria, D. vulgaris responded similarly to the two stresses. Keywords: Comparison of cells treated with either NaCl (250 mM) or KCl (250 mM) to untreated cells at times of 0, 30, 60, 120, and 240 min.

2006-03-22 | GSE4447 | GEO

Effect of carbon monoxide and the CO sensor CooA on gene expression in Desulfovibrio vulgaris Hildenborough

Project description:Investigating the role of carbon monoxide and a CO sensor protein CooA in the physiology of Desulfovibrio vulgaris Hildenborough using whole genome expression analysis Comparison of whole genome expression changes in the wild type and a strain deleted for CooA (DVU2097) in the presence and absence of carbon monoxide

2012-07-30 | E-GEOD-36770 | biostudies-arrayexpress

Effect of glutaraldehyde (Glut) on growth physiology and gene expression of Desulfovibrio vulgaris Hildenborough

Project description:The effect of glutaraldehyde stress on Desulfovibrio vulgaris Hildenborough (DvH) gene expression was determined by comparing the gene expression profiles of DvH with glutaraldehyde added at mid-log phase against DvH grown without glutaraldehdyde. Low concentration glutaraldehyde had little influence over instantaneous growth rate constant and final cell density of the culture. Changes in gene expression caused by exposure to glutaraldehyde were determined using full-genome DvH microarrays. A lot of gene expressions were altered by glutaraldehyde. Keywords: Glutaraldehyde Stress

2010-03-06 | GSE20656 | GEO

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