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Pseudomonas putida

ABSTRACT: RNA-seq study of transcriptiona factor FleQ in Pseudomonas putida KT2442

PROVIDER: PRJNA401985 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6012662_1.fastq.gz	Fastqsanger.gz
	SRR6012662_2.fastq.gz	Fastqsanger.gz
	SRR6012664_1.fastq.gz	Fastqsanger.gz
	SRR6012664_2.fastq.gz	Fastqsanger.gz
	SRR6012666_1.fastq.gz	Fastqsanger.gz

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Genome-wide transcriptional regulation by the flagellar sigma factor FliA in Pseudomonas putida

Project description:The sigma factor FliA (σ28) has been described to activate the expression of several chemoreceptor-encoding genes and the late flagellar genes in Pseudomonas putida, enabling synthesis of the filament, an stator complex and completion of the flagella-associated chemotaxis machinery. The activity of FliA is repressed in the cytoplasm by the anti-sigma factor FlgM upon completion of the flagellar hook. In this study we aim to identify genome-wide targets of regulation by FliA in P. putida KT2442 (a spontaneous rifampicin-resistant mutant of the reference strain KT2440) by performing RNA-seq experiments using a fliA deletion mutant and a constitutively active strain that combines the deletion of flgM with ectopic production of FliA.

2024-11-18 | GSE281820 | GEO

Characterization of DkaiC mutants of Pseudomonas putida KT2440/2 and Pseudomonas protegens CHA0

Project description:KaiC is the central cog of the circadian clock in Cyanobacteria. Close homologs of this protein are widespread among bacteria not known to have a circadian physiology. The function, interaction network, and mechanism of action of these KaiC homologs are still largely unknown. Here, we focus on KaiC homologs found in environmental Pseudomonas species. We characterize experimentally the only KaiC homolog present in Pseudomonas putida KT2440 and Pseudomonas protegens CHA0. Through phenotypic assays and transcriptomics, we show that KaiC is involved in osmotic and oxidative stress resistance in P. putida and in biofilm production in both P. putida and P. protegens.

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Transcriptional organization and regulation of the Pseudomonas putida flagellar system

Project description:The entire set of flagellar structural components and flagellar-specific transcriptional regulators, as well as much of the core chemotaxis machinery, is encoded into a >70 kbp cluster in Pseudomonas putida KT2440 genome. We have performed RNA-seq of the wild-type strain in order to identify operon boundaries and promoters location in this cluster.

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Project description:Transcription profiling of Pseudomonas putida PP3546 mutant

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Project description:Transcriptome of the wildtype or evolved Pseudomonas putida KT2440

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Determination of ErfA regulon by DAP-seq in several Pseudomonas species

Project description:ErfA is a transcription factor of Pseudomonas aeruginosa. We here define the genome-wide binding sites of ErfA by DAP-seq in Pseudomonas aeruginosa PAO1 and IHMA87, Pseudomonas chlororaphis PA23, Pseudomonas protegens CHA0 and Pseudomonas putida KT2440.

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Pseudomonas putida strain:MnB1

Project description:RNA-seq of Pseudomonas putida

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Transcriptome of Pseudomonas putida KT2440 in response to selenite

Project description:The bacterium Pseudomonas putida KT2440 has the ability to reduce selenite forming nanoparticles of elemental selenium. This is the transcriptome of the organism when cultured in the presence of selenite.

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3CB-induced gene expression of Pseudomonas putida KT2440/pSL1 in soil (with RNA amplification)

Project description:Genome-wide scanning of gene expression by microarray techniques was successfully performed on RNA extracted from a sterilized soil inoculated with Pseudomonas putida KT2440/pSL1, which contains a chloroaromatic degrading plasmid, in the presence or absence of 3-chlorobenzoic acid (3CB). The genes showing significant changes in their expression in both triplicate microarray analyses using amplified RNA and single microarray analysis using unamplified RNA were investigated. Pathway analysis revealed that the benzoate degradation pathway underwent the most significant changes following treatment with 3CB. Analysis based on categorization of differentially expressed genes against 3CB revealed new findings about the cellular responses of the bacteria to 3CB, including upregulation of the genes specifically involved in transport of 3CB, and induction of a K+/H+ antiporter complex, an universal stress protein, two cytochrome P450 proteins and an efflux transporter. Downregulated expression of some genes involved in carbon metabolism and the genes belong to a prophage in the presence of 3CB was observed. This study demonstrated the applicability of the method of soil RNA extraction for microarray analysis through a proof-of-concept experiment using a sterilized soil inoculated with Pseudomonas putida KT2440/pSL1. A study using total RNA extracted from soil cultures of Pseudomonas putida KT2440/pSL1. Each chip measures the expression level of 5,341 genes from the Pseudomonas putida KT2440 genome with two sets of six 60-mer probes per gene.

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Evaluation of Pseudomonas putida KT2440 gene expression in the Arabidopsis thaliana rhizosphere

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