Project description:In this study the transcriptomes of Acinetobacter baumannii strains ATCC 17978 and 17978hm were compared. Strain 17978hm is a hns knockout derivative of strain ATCC 17978. Strain 17978hm displays a hyper-motile phenotype on semi-solid Mueller-Hinton (MH) media (0.25% agar). ATCC 17978 and 17978hm from an 37C overnight culture were transferred to the centre of the semi-solid MH plate and incubated at 37C for 8 hours. Only 17978hm cells displayed a motile phenotype and covered the complete surface of the plate. These motile 17978hm cells and the non-motile wild-type ATCC 17978 cells were harvested and RNA was isolated. The comparative transcriptome analysis was performed using the FairPlay labeling kit and a custom made Agilent MicroArray with probes designed to coding regions of the ATCC 17978 genome. The data was analyzed using Agilent GeneSpring GX9 and the significance analysis of microarray MS Excel add-on.

2013-08-05 | GSE40681 | GEO

Comparative transcriptional analysis of Acinetobacter baumannii strain ATCC 17978 and strain 17978hm

2013-08-05 | E-GEOD-40681 | biostudies-arrayexpress

Comparative LC/MS-based profiling of L-arginine producing, canavanine resistant Corynebacterium glutamicum strain ATCC 21831 and type strain ATCC 13032

Project description:Corynebacterium glutamicum strain ATCC 21831 is a producer of L-arginine that was created by random mutagenesis. It is resistant to the arginine structural analogue canavanine. In order to identify potential bottlenecks in the biosynthetic pathway that leads to this industrially important amino acid, relative metabolite abundances of biosynthetic intermediates were determined in comparison to the type strain ATCC 13032. An extract of U13C-labeled biomass was used as internal standard, to correct for different ionization efficiencies. Metabolites were identified using the ALLocator web platform.

2015-10-06 | MTBLS128 | MetaboLights

Monitoring the ethanol stress response of a sigZ deletion strain of B. cereus ATCC 14579.

Project description:The stress response of as sigZ deletion strain of B. cereus ATCC 14579 is monitored true time by use of microarrays. The sigZ regulon in ethanol stress response was determined and compared with the regulon determined by micorarray analysis of overexpression of sigZ. Keywords: stress response, comparative transcriptome study

2008-05-11 | GSE9858 | GEO

Multiple roles for CodY in the type strain Bacillus cereus ATCC 14579

Project description:Comparison of the B cereus codY deletion mutant with wild type strain (ATCC 14579)

2012-07-05 | GSE31017 | GEO

Expression data from batch cultivations with the acidogenic Aspergillus niger wild type strain ATCC 1015 and the areB complete deletion strain constructed using ATCC 1015 as background strain with glucose or glycerol as carbon sources.

Project description:This approach aims at searching unidentified regulatory roles of the AreB transcription factor in the overall carbon metabolism of A. niger. A full areB gene deletion mutant was constructed and characterized in A. niger ATCC 1015. Both strains were grown on glucose or glycerol using ammonia as nitrogen source in batch cultivations and the transcriptome was analyzed using three biological replicated transcriptome experiments. Two areB gene deletion replicates, one on glucose and one on glycerol were discarded due to bad quality and therefore not included in the analysis. Samples for RNA extraction were collected and further processed for hybridization in custom designed Affymetrix microarrays containing probes for three Aspergillus species including A. niger.

2011-01-31 | GSE21015 | GEO

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