Questions tagged [metabolomics]

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Can untargeted metabolomics detect epigenomic changes such as methylation?

My main focus is transcriptomics analysis and very recently I have also started working on metabolomics. From my transcriptomic data it looks like there is a gene/protein that could potentially ...
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0answers
15 views

How many metabolites are in the metabolome of (almost) all eucaryotic cells?

Which small biomolecules (up to the size of amino acids) are present in (almost) every eucaryotic cell and thus part of its biochemical network, constantly and inevitably being produced and ...
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51 views

Proteomics data Vs Transcriptomics data?

I want to use either of Proteomics or Transcriptomics data for integrating it into my kinetic model. Before proceeding, I want to know what are the advantages of using either of them so that I could ...
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1answer
85 views

How to integrate transcriptomics data with kinetic metabolic models?

I have created a convenience kinetics† model. Now, I want to integrate the transcriptomics data with my convenience kinetics model for altering/weighing the kinetic parameter values. I have ...
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1answer
268 views

Can E. coli make pyruvate from acetate?

What pathway would E. coli use to make pyruvate from acetate? I have found several papers that refer to a possible mechanism that could move acetate to pyruvate via a three-step process: Step 1: ...
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1answer
151 views

Normalizing Metabolomics data

First time posting. I recently started working in the field of metabolomics. I have semi-quantitative (not absolute concentration) LC-MS data from in-vitro cell experiments under different ...
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1answer
89 views

Rate of production of enzymes in human [closed]

In the metabolic pathways, each of the reaction needs an enzyme(protein) in order to occur successfully. Is there any quantitative measure that can be associated to this enzyme? Like synthesis rate of ...
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1answer
132 views

What does “each pathway define an independent genotype” mean?

In a section of this paper. However, if the question of independency is posed in the form: “Does each pathway shown define an independent genotype?,” then each of these three pathways is indeed ...
2
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1answer
530 views

What is the meaning and significance of extreme pathways

Can someone please explain me what extreme pathways are? I found this definition in this article: Extreme pathways are a unique and minimal set of vectors that completely characterize the steady-...
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2answers
98 views

Mathematical modelling of omics data [closed]

I'm interested in modelling host-pathogen interactions using mathematics. I know there are good resources in Pubmed but seems I'm looking for a book or introductory reviews. My background in maths is ...
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1answer
134 views

Omics integration questions [closed]

Let's say that I have a population of Mus musculus in the lab. I divide it in a control group and a test group. The test group is constantly subjected to a stress (example: elevated UV radiation). ...
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1answer
137 views

What makes alcohol harmful to mammals?

During the alcohol metabolic pathway, harmful by-products are made like acetaldehyde, hydroxyethyl, superox­ide anions, and hydroxyl radicals. How do these toxic compounds harm our tissues? Many of ...