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C. elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Caenorhabditis elegans

PROVIDER: GSE151848 | GEO | 2020/06/05

REPOSITORIES: GEO

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Caenorhabditis elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor.

Project description: Not available

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C. elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor: RNA-seq dataset 2

Project description:Vitamin B12 is an essential micronutrient that functions in two metabolic pathways: the canonical propionate breakdown pathway and the methionine/S-adenosylmethionine (Met/SAM) cycle. In Caenorhabditis elegans, low vitamin B12, or genetic perturbation of the canonical propionate breakdown pathway results in propionate accumulation and the transcriptional activation of a propionate shunt pathway. This propionate-dependent mechanism requires nhr-10 and is referred to as “B12-mechanism-I”. Here, we report that vitamin B12 represses the expression of Met/SAM cycle genes by a propionate-independent mechanism we refer to as “B12-mechanism-II”. This mechanism is activated by perturbations in the Met/SAM cycle, genetically or due to low dietary vitamin B12. B12-mechanism-II requires nhr-114 to activate Met/SAM cycle gene expression, the vitamin B12 transporter, pmp-5, and adjust influx and efflux of the cycle by activating msra-1 and repressing cbs-1, respectively. Taken together, Met/SAM cycle activity is sensed and transcriptionally adjusted to be in a tight metabolic regime.

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C. elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor: RNA-seq dataset 1

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The nuclear hormone receptor NHR-86 controls anti-pathogen responses in C. elegans

Project description:This SuperSeries is composed of the SubSeries listed below. Keywords: Expression profiling by high throughput sequencing

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C. elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor: RNA-seq dataset 1

Project description:C. elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor: RNA-seq dataset 1

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Project description: Not available

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Nuclear translocation of PTH receptor hijacks thyroid hormone signaling for bone mass regulation

Project description:This SuperSeries is composed of the SubSeries listed below.

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