Project description:Many sulfur-oxidizing prokaryotes oxidize sulfur compounds through a combination of initial extracytoplasmic and downstream cytoplasmic reactions. Facultative sulfur oxidizers adjust transcription to sulfur availability. While sulfur-oxidizing enzymes and transcriptional repressors have been extensively studied, sulfur import into the cytoplasm and how regulators sense external sulfur are poorly understood. Addressing this gap, we show that SoxT1A and SoxT1B, which resemble YeeE/YedE-family thiosulfate transporters and are encoded alongside sulfur oxidation and transcriptional regulation genes, fulfill these roles in the Alphaproteobacterium Hyphomicrobium denitrificans. RT-qPCR provided initial evidence that SoxT1A and SoxT1B from H. denitrificans may be intricate components of the oxidation pathway and/or involved in its transcriptional regulation. Here, we extend these analyses with genome-wide mRNA-Seq data for the reference strain, comparing transcription in the absence and presence of 2 mM thiosulfate

2024-11-14 | GSE278992 | GEO

RNA-seq of Paracoccus denitrificans Pd1222 and a ramB deletion mutant during growth on succinate and acetate

Project description:The alphaproteobacterium Paracoccus denitrificans Pd1222 has two different, yet functionally redundant acetyl-CoA assimilation routes: the Ethylmalonyl-CoA pathway (EMCP) and the glyoxylate cycle (GC). The EMPC and the GC each tightly control the balance between catabolism and anabolism by shifting flux away from the oxidation of acetyl-CoA in the tricarboxylic acid (TCA) cycle towards biomass formation. RamB (encoded by Pden_1365), a member of the ScfR family, is a transcriptional regulator in P. denitrificans Pd1222 that controls expression of GC. To analyze the role of RamB in the coordinated regulation of metabolic plasticity, we analyzed the global transcriptome of P. denitrificans Pd1222, as well as the ramB-deletion strain during mid-exponential growth phase on defined minimal medium with acetate or succinate as carbon sources.

2023-06-06 | E-MTAB-12482 | biostudies-arrayexpress

Paludibacterium sp. B53371

Project description:Paludibacterium sp. B53371 Genome sequencing

| PRJNA695077 | ENA

Paludibacterium yongneupense DSM 18731

Project description:Paludibacterium yongneupense DSM 18731

| PRJNA185612 | ENA

Paludibacterium yongneupense strain:BCRC 80531

Project description:Paludibacterium yongneupense strain:BCRC 80531 Genome sequencing

| PRJNA695071 | ENA

Paludibacterium paludis strain:BCRC 80514

Project description:Paludibacterium paludis strain:BCRC 80514 Genome sequencing

| PRJNA695072 | ENA

Transcriptome analysis of Paracoccus denitrificans during Cu-limitation

Project description:Transcriptional profiling of Paracoccus denitrificans PD1222 wild type grown to mid-exponential phase in minimal media with either 13 uM (Cu-H) or 0.5 uM (Cu-L) Cu regimes. The goal was to define the effects of Cu-limitation on denitrification genes Two growth conditions, three biological replicates of each condition. Each sample hybridised in a two-channel hybridization against Paracoccus denitrificans genomic DNA as the comparator/reference, which also acted as a control for spot quality. Cu-concentration 13 uM (Cu-H) versus 0.5 uM Cu (Cu-L) in anaerobic growth conditions.

2013-11-18 | E-GEOD-48577 | biostudies-arrayexpress

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