Project description:To identify the transcriptional targets of the DNA-binding response regulator HnoC (SO_2540), mRNA transcript levels in Shewanella oneidensis were measured using whole genome microarray analysis. Transcript levels were compared between WT Shewanella oneidensis and a hnoC deletion strain. Transcript levels of a WT and hnoC deletion strain were measured after 15 hrs growth, 4 independent replicates were performed for each strain

2013-11-01 | E-GEOD-44689 | biostudies-arrayexpress

Limnospira indica PCC8005 in simulated microgravity

Project description:Regenerative life support systems for space crews recycle organic and inorganic waste into water, food and oxygen using different organisms. For instance, the European Space Agency's MELiSSA uses Limnospira indica PCC8005 for air revitalisation and food production. Before use in space, the components' compatibility with reduced gravity must be tested. This innovative study introduces a novel ground analog designed specifically for microgravity experiments involving cyanobacteria, employing a cutting-edge random positioning machine (RPM). Limnospira indica PCC8005 was shown to grow slower under simulated microgravity and whole proteome analysis revealed a downregulation of e.g. ribosomal proteins, glutamine synthase and nitrate uptake transporters while an upregulation was found for gas vesicle proteins, carboxysome proteins and phycobiliproteins. All together our results suggested that L. indica experienced carbon limitation when cultivated in simulated microgravity conditions.

2024-12-19 | PXD045600 | Pride

Shewanella xiamenensis

Project description:7 Shewanella xiamenensis strains whole genome sequencing

| PRJNA755833 | ENA

Constant production of FlhG ensures proper function of the flagellar counter in Shewanella putrefaciens

Project description:Purpose : Identification of the regulons directly and indirectly affected by the main regulators of flagellation in Shewanella putrefaciens CN-32 Methods : mRNA profiles were generated for Shewanella putrefaciens CN-32 samples by deep sequencing. The removal of ribosomal RNA was performed using the Ribo-Zero Bacteria Kit (Illumina) and cDNA libraries were generated with the ScriptSeq v2 Kit (Illumina) . The samples were sequenced in single end mode on an Illumina HiSeq 2500 device and mRNA reads were trimmed using the tool ‘cutadapt’ (version 3.5) with default settings and mapped to the NC_009438.1 (Shewanella putrefaciens CN-32) reference genome from NCBI using ‘bowtie2’ (version 2.3.5.1) with default settings for single-end sequencing.

2022-12-21 | GSE207531 | GEO

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