Concept · biology
Metabolism
Follow Metabolism — see important new research and changes in evidence.Change log
What changed
Dated edits to this page's evidence: studies added or removed from a claim, claims added or withdrawn, and new explanations tagged here. Rewordings are not listed.
- Concept page published
Metabolism is the network of chemical reactions that extract energy and build or break down molecules in living systems.
Metabolic regulation connects molecular networks to organismal energy and disease biology.
Evidence
What the evidence shows
Drawn from 8 studies in this library. Each finding starts with a plain-language takeaway, then the denser detail. Supports means evidence for a finding; Challenges means evidence against a stated position; Qualifies marks scope with a short note on each study’s contribution. Challenged positions are labeled — they are not findings.
Multiple empirical papers in this library examine metabolism with mechanistic biological findings.
- What can a wild Medicago genome teach about stress tolerance?
- Aloe vera medicinal pathway transcriptome
- How does ZFP36 reshape metabolism after growth signals?
Study Role Design N Population Outcome What can a wild Medicago genome teach about stress tolerance? Supports Computational / modellingDe novo assembly/annotation of Medicago ruthenica with stress-trait comparisons to cultivated legumes ~914 Mb estimated genome; PacBio/Illumina assembly resource — not a sample-N study Wild Medicago ruthenica Genome features linked to stress tolerance for alfalfa improvement Aloe vera medicinal pathway transcriptome Supports Computational / modellingIllumina RNA-seq de novo Trinity assembly of Aloe vera root and leaf transcriptomes Two tissues; ~43,443 root and ~43,178 leaf CDS — transcriptome resource, not a sample-N study Aloe vera root and leaf tissues Annotated transcriptome resources linked to secondary-metabolite pathways How does ZFP36 reshape metabolism after growth signals? Supports Animal / in-vitroZFP36 eCLIP, Eno2 decay, metabolomics, and endothelial Zfp36 loss in retinal angiogenesis MEF and in-vivo angiogenesis assays — no single primary analytic N in stored text Mouse embryonic fibroblasts and neonatal retinal vasculature models ZFP36-mediated decay of metabolic mRNAs including Eno2 Highly complete genome assembly; wild species retains tolerance traits diluted by domestication for yield; useful for breeding stress-tolerant alfalfa.
~43k CDS per tissue with extensive annotation tied to secondary-metabolite pathways.
ZFP36 family members are acute growth-factor immediate-early genes; they bind many metabolic mRNAs and promote Eno2 mRNA decay; loss elevates ENO2/PEP and alters the metabolome; regulation appears in neonatal retinal angiogenesis.
MEP pathway contributes to ginsenoside biosynthesis; IspD predicted as a key MEP enzyme; tissue patterns match ginsenoside distribution.
Open questions
Tensions and limits
Some items are genuine disagreements on the same question. Others mark different assays, populations, or outcomes — limits on how far one study travels — not a forced fight between papers.
Systems and scales differ across metabolism studies (species, tissues, methods), so mechanisms should not be over-generalised.
- What can a wild Medicago genome teach about stress tolerance?
- Aloe vera medicinal pathway transcriptome
- How does ZFP36 reshape metabolism after growth signals?
Study Role Design N Population Outcome What can a wild Medicago genome teach about stress tolerance? Supports Computational / modellingDe novo assembly/annotation of Medicago ruthenica with stress-trait comparisons to cultivated legumes ~914 Mb estimated genome; PacBio/Illumina assembly resource — not a sample-N study Wild Medicago ruthenica Genome features linked to stress tolerance for alfalfa improvement Aloe vera medicinal pathway transcriptome Supports Computational / modellingIllumina RNA-seq de novo Trinity assembly of Aloe vera root and leaf transcriptomes Two tissues; ~43,443 root and ~43,178 leaf CDS — transcriptome resource, not a sample-N study Aloe vera root and leaf tissues Annotated transcriptome resources linked to secondary-metabolite pathways How does ZFP36 reshape metabolism after growth signals? Supports Animal / in-vitroZFP36 eCLIP, Eno2 decay, metabolomics, and endothelial Zfp36 loss in retinal angiogenesis MEF and in-vivo angiogenesis assays — no single primary analytic N in stored text Mouse embryonic fibroblasts and neonatal retinal vasculature models ZFP36-mediated decay of metabolic mRNAs including Eno2
Common misconceptions
Metabolism findings from one model organism always transfer to humans.
Model systems teach mechanism; transfer to other species is a separate empirical claim.
Exam-style questions
Short-answer questions that ask you to explain or compare, not recall.
What is Metabolism?
Metabolism is the network of chemical reactions that extract energy and build or break down molecules in living systems.
Why does Metabolism matter for biology undergraduates?
Metabolic regulation connects molecular networks to organismal energy and disease biology.
The studies
8 studies in this library bear on Metabolism, ordered by citations.
- What extreme physiologies does the painted turtle genome encode?
The western painted turtle genome informs evolution of extreme anoxia and freeze tolerance in a slowly evolving vertebrate lineage.
- What can a wild Medicago genome teach about stress tolerance?
A highly complete Medicago ruthenica genome provides genetic resources for environmental-stress tolerance missing from yield-focused cultivated alfalfa.
- How does ZFP36 reshape metabolism after growth signals?
Growth factors induce ZFP36, which binds and decays metabolic enzyme/transporter mRNAs—especially Eno2—tuning glycolytic metabolism.
- Does the MEP pathway feed ginsenoside production?
Transcriptomics implicates the chloroplastic MEP pathway—highlighting IspD—in ginsenoside biosynthesis beyond the classic MVA route.
- Salmon fat-cell differentiation transcriptome
Atlantic salmon adipose SVF cells progress through proliferative then adipogenic expression programs.
- Folliculin tunes mTORC1 toward TFE3
FLCN–RagC signaling makes mTORC1 substrate-selective for TFE3 phosphorylation under amino-acid cues.
- How do Cryptosporidium oocysts survive outside hosts?
Oocyst transcriptomes reveal metabolic features that help Cryptosporidium parvum endure environmental stresses without nutrient supply.
- Aloe vera medicinal pathway transcriptome
De novo root and leaf transcriptomes highlight saponin and anthraquinone metabolism genes.
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