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Expanding the genetic tool kit helps dissect a global stress response in the early-branching species Fusobacterium nucleatum

ABSTRACT: Expanding the genetic tool kit helps dissect a global stress response in the early-branching species Fusobacterium nucleatum

PROVIDER: PRJNA791213 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17286774.fastq.gz	Fastqsanger.gz
	SRR17286775.fastq.gz	Fastqsanger.gz
	SRR17286776.fastq.gz	Fastqsanger.gz
	SRR17286777.fastq.gz	Fastqsanger.gz
	SRR17286778.fastq.gz	Fastqsanger.gz

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Expanding the genetic tool kit helps dissect a global stress response in the early-branching species Fusobacterium nucleatum

Project description:We elucidated the global regulatory network of sigma E in Fusobacterium nucleatum. For this, we developed new genetic tools for the anaerobic bacterium. This uncovered a conserved regulon of the sigma factor including a noncoding arm of the sRNA FoxI. In this process, FoxI serves as a negative regulator of sigma E to downregulate several outer membrane proteins as well as the putative galactose transporter mglBAC.

2022-09-20 | GSE192339 | GEO

Expanding the genetic toolkit helps dissect a global stress response in the early-branching species <i>Fusobacterium nucleatum</i>.

Project description: Not available

| S-EPMC9546586 | biostudies-literature

The effect of blood on Fusobacterium nucleatum

Project description:Fusobacterium nucleatum is a Gram-negative oral bacterial species associated with periodontal disease progression. As periodontal disease progresses, it is known F. nucleatum coaggregated with blood is frequently detected in the gingival crevice. However, it is largely unknown whether these interactions between F. nucleatum and blood induce a particular genetic response. We tested the cultures of F. nucleatum ATCC 25586 with or without blood in a semi-defined growth medium by microarray analysis and found 14 genes that were affected after only about 4hr. of adhered blood. Then, we selected 7 genes that changed significantly and tested these genes via real-time RT-PCR to confirm the validity of the microarray results. As a result, one amino sugar-binding protein on the membrane of F. nucleatum was especially expressed high via both microarray and real-time RT-PCR. Based upon these data, it appears that the protein on the F. nucleatum membrane binds and transfers the amino sugar only under blood conditions. This study aims to determine the effect of blood on the gene expression profiling of F. nucreatum. The study contains 2 separate experiments that both measure the cultures without or with blood. The samples with blood contain 9% and 33% blood.

2012-09-01 | E-GEOD-36410 | biostudies-arrayexpress

Comparison of Fusobacterium Nucleatum stimulated and unstimulated neutrophils

Project description:Neutrophils are known to be stimulated by different periodontal bacteria to produce reactive oxygen species and cytokines. It is inportant to investigate the gene changes made by bacteria of importance, of which, for periodontal disease, fusobaterium nucleatum is one. we used microarrays to investigate gene experssion changes in peripheral blood neutrophils werwhich e stimulated with or with out Fusobacterium Nucleatum (10953). Neutrophils from periodonatlly healthy individuals (n=4) were isolated and stimulated for 3hrs with or without fusobaterium nucleatum (10953). RNA was then extracted from these and pooled before hybridization on Affymetrix microarrays

2010-07-20 | E-GEOD-20151 | biostudies-arrayexpress

Fusobacterium nucleatum subsp. nucleatum

Project description:Fusobacterium nucleatum subsp. nucleatum Raw sequence reads

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RNA-seq of PBT2-Zn treated Fusobacterium nucleatum cells in vitro

Project description:To investigate the effect of the Zn ionophore, PBT2, on the transcriptomic response of Fusobacterium nucleatum ATCC 25586, RNA was extracted from bacterial samples which had been treated as follows: Untreated (0.006% DMSO v/v), DMSO-Zn treated (0.006% DMSO v/v + 200 uM ZnSO4), or PBT2-Zn treated (0.125 ug/mL PBT2 + 200 uM ZnSO4) (DMSO was the vehicle control). RNA samples were collected at 0h, 0.5h, and 1h post challenge in biological triplicate and sequenced using Illumina HiSeq platform. We mapped sequences to the reference genome F. nucleatum subsp. nucleatum ATCC 25586 and performed DEseq2 analysis to determine differentially expressed genes across time and treatment.

2021-07-15 | E-MTAB-8681 | biostudies-arrayexpress

Fusobacterium nucleatum subsp. nucleatum

Project description:Fusobacterium nucleatum subsp. nucleatum ATCC 25586 Genome sequencing and assembly

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The effect of blood on Fusobacterium nucleatum

2012-09-01 | GSE36410 | GEO

Effect of Fusobacterium nucleatum on human HUVEC cells

Project description:Localization of Fusobacterium nucleatum in the placenta may be associated with pregnancy complications including preeclampsia (PE), but its specific pathobiology is unknown. Our aim was to analyze the effect of Fusobacterium nucleatum on HUVEC cells to further elucidate placental dysfunction in the context of Fusobacterium nucleatum infestation.

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Fusobacterium nucleatum subsp. nucleatum ATCC 25586

Project description:Fusobacterium nucleatum subsp. nucleatum ATCC 25586 Genome sequencing

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