GO:0009267 cellular response to starvation: Metabolic Adaptation, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0009267 cellular response to starvation describes how a cell changes its state or activity when deprived of nourishment, including shifts in gene expression, enzyme production, secretion and movement.
• The response is coordinated by nutrient-sensing transcription factors such as TFEB, which drives an autoregulatory loop controlling lipid metabolism during starvation.
• Starvation rewires chromatin and gene expression through metabolites such as beta-hydroxybutyrate, which modifies histones and alters transcription.
• Starvation can trigger stress granules that inhibit fatty acid oxidation by modulating mitochondrial permeability, and in some contexts activates gasdermin A to initiate pyroptosis.
• The response is conserved across organisms, from human fibroblasts to crustaceans such as Macrobrachium nipponense, and can even be primed by maternal starvation in progeny.
• Neuronal circuits for hunger transmit negative-valence teaching signals, linking systemic starvation sensing to behavior.
Description
Cellular response to starvation (GO:0009267) is the collection of processes by which a cell alters its state or activity when nourishment is withdrawn. This includes changes in movement, secretion, enzyme production and gene expression that allow the cell to survive, conserve resources and, when possible, restore nutrient balance. The term is a biological process node in the Gene Ontology and is central to understanding how cells integrate nutrient status with metabolism, growth and death decisions. Researchers study GO:0009267 because it sits at the intersection of autophagy, metabolic reprogramming, stress granule formation and cell fate control. Starvation responses are not limited to single cells; they are conserved across metazoans and can be transmitted across generations, as shown by maternal starvation priming progeny responses to nutritional stress. In human cells, deprivation of glutamine and/or glucose produces distinct transcriptional and metabolic adaptations in transformed fibroblasts. In aquatic organisms such as the oriental river prawn, starvation-induced stress triggers physiological and molecular responses that can be monitored at the transcriptomic level. At the organismal level, dedicated neuronal populations for hunger and thirst transmit negative-valence teaching signals, connecting cellular nutrient sensing to behavior. Because dysregulated starvation responses contribute to cancer, neurodegeneration and metabolic disease, GO:0009267 is a high-value target for functional genomics and CRISPR-based modeling.
cellular response to starvation At A Glance
| GO ID | GO:0009267 |
|---|---|
| GO term | cellular response to starvation |
| Ontology | biological_process |
| Synonym | none listed in QuickGO |
| Major function | Coordinated cellular adaptation to nutrient deprivation, including changes in gene expression, enzyme production, secretion and movement |
| Key regulators | TFEB and other nutrient-sensing transcription factors; metabolite-driven chromatin modifiers such as beta-hydroxybutyrate |
| Cellular outcomes | Metabolic rewiring, stress granule formation, modulation of mitochondrial permeability, and in some contexts pyroptosis |
| Conservation | Observed in human cells, invertebrates and across generations via maternal effects |
| Related processes | Autophagy, lipid metabolism, stress granule assembly, and neuronal hunger signaling |
What Is GO:0009267?
According to the Gene Ontology, cellular response to starvation (GO:0009267) is any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of deprivation of nourishment. In other words, it is the cell's coordinated reaction to a lack of nutrients, encompassing signaling, transcriptional, translational and metabolic adjustments that help the cell cope with limited resources.
Why Is cellular response to starvation Important in Cell Biology?
Cellular response to starvation is fundamental to how cells survive fluctuating nutrient environments, and its dysregulation underlies major human diseases including cancer, neurodegeneration and metabolic disorders. Understanding GO:0009267 helps researchers identify therapeutic targets that exploit the vulnerability of cancer cells to nutrient stress, design interventions for neurodegenerative conditions where autophagy is impaired, and interpret how systemic starvation affects organismal physiology and behavior.
• Starvation responses control lipid metabolism through TFEB-driven autoregulatory loops, linking nutrient status to energy storage and membrane homeostasis.
• Metabolites such as beta-hydroxybutyrate modify histones and reprogram gene expression during starvation, connecting metabolism to chromatin regulation.
• Maternal starvation primes progeny to respond to nutritional stress, showing that GO:0009267 has transgenerational effects.
• Stress granules formed during starvation inhibit fatty acid oxidation by modulating mitochondrial permeability, revealing crosstalk between RNA granules and metabolism.
• Starvation-induced phosphorylation activates gasdermin A to initiate pyroptosis, linking nutrient deprivation to inflammatory cell death.
• Glutamine and/or glucose deprivation in transformed human fibroblasts triggers distinct cellular responses that can be modeled in vitro.
• Starvation-induced stress in crustaceans such as Macrobrachium nipponense provides comparative insights into conserved and divergent response mechanisms.
• Neuronal hunger circuits transmit negative-valence teaching signals, connecting cellular starvation sensing to behavior and learning.
• Cancer cells often rely on starvation-response pathways for survival under low-nutrient conditions, making these pathways attractive therapeutic targets.
• Neurodegenerative diseases may involve impaired starvation responses, including defective autophagy and stress granule dynamics.
What Happens During cellular response to starvation?
Nutrient sensing and transcriptional reprogramming
In simple terms: When nutrients run low, the cell switches on a set of genes that help it survive.
Starvation triggers changes in gene expression that alter enzyme production and metabolic flux. A key example is TFEB, which controls cellular lipid metabolism through a starvation-induced autoregulatory loop, meaning TFEB regulates its own expression while coordinating lipid breakdown and synthesis. This transcriptional response allows the cell to mobilize stored resources and adjust membrane composition. In transformed human fibroblasts, deprivation of glutamine and/or glucose leads to distinct changes in gene expression and cellular activity, demonstrating that the response is tailored to the specific nutrient missing.
Metabolic and chromatin remodeling
In simple terms: Starvation changes the chemicals that decorate DNA-packaging proteins, which can turn genes on or off.
During starvation, metabolites such as beta-hydroxybutyrate accumulate and can modify histone lysine residues through beta-hydroxybutyrylation, thereby regulating gene expression. This links the metabolic state of the cell directly to chromatin structure and transcription. Such epigenetic changes may prime the cell for prolonged survival or prepare it for recovery when nutrients return. The interplay between metabolism and chromatin is a central mechanism by which cells adapt to starvation.
Stress granule formation and mitochondrial regulation
In simple terms: The cell builds temporary storage compartments that also affect how it burns fat.
Starvation induces the assembly of stress granules, which are cytoplasmic RNA-protein aggregates that modulate translation and signaling. These granules can inhibit fatty acid oxidation by modulating mitochondrial permeability, revealing a direct link between RNA granule biology and metabolic control. This mechanism helps the cell conserve resources and avoid oxidative damage under nutrient stress. The formation of stress granules is a hallmark of the cellular response to starvation and is tightly regulated.
Cell death decisions: pyroptosis and survival
In simple terms: If starvation is severe, the cell may choose to self-destruct in a controlled way.
Starvation-induced phosphorylation activates gasdermin A to initiate pyroptosis, an inflammatory form of programmed cell death. This indicates that the cellular response to starvation can shift from survival to death depending on the intensity and duration of the stress. The activation of gasdermin A by phosphorylation is a specific molecular event that links nutrient deprivation to innate immune signaling and cell death. Understanding this switch is important for diseases where excessive or insufficient cell death contributes to pathology.
Organismal and transgenerational integration
In simple terms: Starvation responses can be passed from parents to offspring and influence behavior.
Maternal starvation primes progeny response to nutritional stress, demonstrating that the cellular response to starvation can have transgenerational effects. In crustaceans such as Macrobrachium nipponense, starvation-induced stress triggers physiological and molecular responses that can be monitored to understand adaptation. At the organismal level, neurons for hunger and thirst transmit a negative-valence teaching signal, linking cellular nutrient sensing to behavioral decisions. These findings show that GO:0009267 operates across scales, from single cells to whole organisms and across generations.
Key Genes Involved in GO:0009267 cellular response to starvation
The following genes and proteins are experimentally implicated in the cellular response to starvation (GO:0009267) based on the verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| TFEB | Transcription factor controlling lipid metabolism via a starvation-induced autoregulatory loop | Central regulator of lysosomal and metabolic adaptation; target for cancer and metabolic disease studies |
| GSDMA | Gasdermin A; activated by starvation-induced phosphorylation to initiate pyroptosis | Links nutrient deprivation to inflammatory cell death; potential target in inflammation and cancer |
| Histone proteins (e.g., H3K9, H3K14) | Targets of beta-hydroxybutyrylation that regulate gene expression during starvation | Epigenetic effectors connecting metabolism to transcription; studied in metabolic and cancer epigenetics |
| Mitochondrial permeability regulators | Modulate mitochondrial permeability downstream of stress granules to inhibit fatty acid oxidation | Key nodes in metabolic control during starvation; relevant to metabolic disorders |
| Glutamine/glucose metabolism enzymes | Mediate cellular response to glutamine and/or glucose deprivation in transformed fibroblasts | Model system for understanding nutrient-specific responses in cancer cells |
| Macrobrachium nipponense stress genes | Physiological response to starvation-induced stress in crustaceans | Comparative model for conserved starvation responses in invertebrates |
| Hunger neurons (e.g., AgRP neurons) | Transmit negative-valence teaching signals in response to hunger | Neuronal basis of starvation sensing and behavior; relevant to eating disorders and obesity |
| Maternal effect genes | Prime progeny response to nutritional stress after maternal starvation | Transgenerational inheritance of starvation adaptation; studied in developmental biology |
| Autophagy-related genes (ATG family) | Mediate bulk degradation and recycling during starvation | Core machinery for nutrient recycling; drug targets in cancer and neurodegeneration |
| Lysosomal biogenesis genes | Regulated by TFEB to enhance degradative capacity during starvation | Linked to lysosomal storage disorders and neurodegeneration |
| Stress granule proteins (e.g., G3BP1) | Form stress granules that modulate mitochondrial permeability and fatty acid oxidation | Biomarkers of stress response; implicated in neurodegeneration and cancer |
| Pyroptosis effectors (e.g., caspase-1) | Downstream of gasdermin A activation during starvation-induced pyroptosis | Inflammatory cell death pathways; targets for anti-inflammatory therapy |
| Metabolic transcription factors (e.g., FOXO) | Coordinate gene expression changes during nutrient deprivation | Conserved regulators of longevity and stress resistance |
| Chromatin modifiers | Interpret beta-hydroxybutyrylation marks to alter transcription | Epigenetic drugs and metabolic interventions |
| Neuropeptide signaling genes | Mediate hunger and thirst signals in the brain | Behavioral and metabolic studies; targets for obesity research |
| Invertebrate stress response genes | Enable survival during starvation in crustaceans | Aquaculture and comparative physiology |
How Is cellular response to starvation Regulated?
The cellular response to starvation is regulated at multiple levels. Transcriptionally, TFEB controls lipid metabolism through an autoregulatory loop that amplifies the starvation signal. Epigenetically, metabolites such as beta-hydroxybutyrate drive histone modifications that alter gene expression programs. At the RNA level, stress granules sequester mRNAs and modulate mitochondrial permeability to inhibit fatty acid oxidation. Post-translational modifications, including phosphorylation of gasdermin A, can switch the response toward pyroptosis. Systemic and neuronal signals, such as those from hunger neurons, integrate organismal nutrient status with cellular responses. These layers of regulation ensure that the cell can rapidly adapt to changing nutrient availability.
cellular response to starvation and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| TFEB | Cancer, lysosomal storage disorders, metabolic disease | TFEB knockout and knock-in cell lines; lipid metabolism assays |
| GSDMA | Inflammatory diseases, pyroptosis-related pathology | GSDMA point-mutation and knockout models; pyroptosis induction |
| Histone H3 variants | Metabolic reprogramming, cancer epigenetics | Histone point-mutation knock-in; beta-hydroxybutyrylation profiling |
| Stress granule proteins (e.g., G3BP1) | Neurodegeneration, cancer | Knockout and tagged knock-in for live imaging |
| Metabolic enzymes (glutamine/glucose) | Cancer metabolism | Knockout of metabolic enzymes; nutrient deprivation assays |
Cancer metabolism and starvation response
Cancer cells often face nutrient-poor conditions within tumors and rely on starvation-response pathways for survival. TFEB-driven lipid metabolism supports cancer cell adaptation to nutrient stress. Glutamine and glucose deprivation responses in transformed fibroblasts provide a model for understanding how cancer cells reprogram metabolism. Targeting these pathways may selectively sensitize cancer cells to nutrient limitation.
Neurodegeneration and stress granule biology
Stress granules formed during starvation modulate mitochondrial permeability and fatty acid oxidation. Dysregulation of stress granule dynamics is implicated in neurodegenerative diseases such as amyotrophic lateral sclerosis and frontotemporal dementia. Additionally, impaired autophagy, a downstream arm of the starvation response, contributes to protein aggregation in neurons.
Inflammatory cell death and pyroptosis
Starvation-induced phosphorylation of gasdermin A triggers pyroptosis, an inflammatory form of cell death. This links nutrient deprivation to innate immune activation and may contribute to inflammatory diseases. Understanding this mechanism could inform therapies for conditions where excessive pyroptosis causes tissue damage.
Metabolic disorders and transgenerational effects
Maternal starvation primes progeny responses to nutritional stress, suggesting that early-life nutrient availability can program long-term metabolic health. In crustaceans, starvation-induced stress responses provide comparative insights into metabolic adaptation. Neuronal hunger circuits that transmit negative-valence signals are relevant to eating disorders and obesity.
From cellular response to starvation-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does TFEB mediate lipid metabolic adaptation to starvation? | TFEB knockout and overexpression cell lines |
| Does beta-hydroxybutyrylation regulate specific gene loci during starvation? | Histone point-mutation knock-in cells |
| Do stress granules inhibit fatty acid oxidation via mitochondrial permeability? | Knockout of stress granule proteins; mitochondrial function assays |
| Is gasdermin A phosphorylation required for starvation-induced pyroptosis? | GSDMA point-mutation knock-in and knockout |
| How do transformed fibroblasts respond to glutamine/glucose deprivation? | Isogenic knockout models of metabolic enzymes |
| Can maternal starvation effects be modeled in vitro? | Epigenetic editing and overexpression of maternal effect genes |
How to Study the cellular response to starvation Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Global gene expression changes | Identify starvation-induced transcriptional programs |
| ChIP-seq | Histone modification and transcription factor binding | Map beta-hydroxybutyrylation and TFEB binding |
| Metabolomics | Metabolite levels | Quantify beta-hydroxybutyrate and other metabolites |
| Live-cell imaging | Stress granule dynamics and mitochondrial permeability | Visualize granule formation and organelle changes |
| Pyroptosis assays | Gasdermin A cleavage and membrane permeabilization | Detect starvation-induced pyroptosis |
| CRISPR screens | Gene essentiality under starvation | Identify modifiers of starvation response |
| Proteomics | Protein abundance and modifications | Measure phosphorylation of gasdermin A and other targets |
| Behavioral assays | Hunger-driven behaviors | Study neuronal teaching signals |
Transcriptomic profiling of starvation responses
RNA-seq and related methods measure global changes in gene expression during starvation. In transformed fibroblasts, glutamine and/or glucose deprivation induces distinct transcriptional programs. These approaches can identify TFEB target genes and other regulators.
Metabolomics and chromatin modification analysis
Metabolomics quantifies metabolites such as beta-hydroxybutyrate, while chromatin immunoprecipitation followed by sequencing (ChIP-seq) can map histone modifications like beta-hydroxybutyrylation. These methods link metabolic state to gene regulation.
Imaging of stress granules and mitochondrial dynamics
Fluorescence microscopy of stress granule markers and mitochondrial permeability probes reveals how starvation affects organelle function. Live-cell imaging can track granule assembly and disassembly in real time.
Cell death assays for pyroptosis
Pyroptosis can be measured by detecting gasdermin A cleavage, caspase activation and membrane permeabilization. These assays help determine whether starvation triggers inflammatory cell death.
How CRISPR Can Be Used to Study GO:0009267 cellular response to starvation
Knockout
CRISPR knockout of genes such as TFEB, GSDMA or stress granule components allows researchers to test their requirement for the cellular response to starvation. Knockout cell lines can be subjected to nutrient deprivation and analyzed for survival, metabolic flux and gene expression.
Point Mutation
Point mutations can be introduced to mimic or block phosphorylation sites, such as those in gasdermin A that are phosphorylated during starvation. These models help dissect the precise molecular events that trigger pyroptosis versus survival.
Knock-in
Knock-in of tagged versions of proteins like TFEB or stress granule markers enables live-cell imaging and biochemical purification. Tagged knock-in models are valuable for tracking protein localization and interactions during starvation.
Overexpression
Overexpression of TFEB or other regulators can amplify the starvation response and reveal downstream effects on lipid metabolism and autophagy. Overexpression models are useful for gain-of-function studies and for testing therapeutic hypotheses.
How EDITGENE Supports cellular response to starvation Research
Researchers studying cellular response to starvation-related genes often need to determine whether a candidate gene is causally involved in nutrient adaptation, whether a specific mutation alters stress survival, or whether a tagged protein behaves like the endogenous one. EDITGENE provides the CRISPR tools and services to build these models efficiently and reproducibly.
Contact EDITGENE today to design your custom CRISPR model for cellular response to starvation research.
Frequently Asked Questions About cellular response to starvation
What is cellular response to starvation GO:0009267?
It is the biological process by which a cell changes its state or activity in response to deprivation of nourishment, including changes in gene expression, enzyme production, secretion and movement.
What genes are involved in cellular response to starvation?
Key genes include TFEB, which controls lipid metabolism, GSDMA, which mediates pyroptosis, and histone genes modified by beta-hydroxybutyrylation, among others.
How does TFEB regulate starvation response?
TFEB controls cellular lipid metabolism through a starvation-induced autoregulatory loop, coordinating lipid breakdown and synthesis.
What are stress granules and how do they relate to starvation?
Stress granules are RNA-protein aggregates that form during starvation and can inhibit fatty acid oxidation by modulating mitochondrial permeability.
Can starvation induce cell death?
Yes, starvation-induced phosphorylation can activate gasdermin A to initiate pyroptosis, an inflammatory form of programmed cell death.
Is the cellular response to starvation conserved across species?
Yes, it is observed in human cells, crustaceans such as Macrobrachium nipponense, and can even be primed by maternal starvation in progeny.
How do neurons respond to starvation?
Neurons for hunger and thirst transmit a negative-valence teaching signal, linking nutrient status to behavior.
What methods are used to study cellular response to starvation?
Common methods include RNA-seq, ChIP-seq, metabolomics, live-cell imaging, pyroptosis assays and CRISPR screens.
What diseases are linked to cellular response to starvation?
Cancer metabolism, neurodegeneration, inflammatory diseases and metabolic disorders are linked to dysregulated starvation responses.
How can CRISPR help study cellular response to starvation?
CRISPR knockout, point mutation, knock-in and overexpression models allow researchers to test the causal role of specific genes in nutrient adaptation.
Conclusion
Cellular response to starvation (GO:0009267) is a fundamental biological process that enables cells to survive nutrient deprivation through coordinated changes in gene expression, metabolism, organelle function and cell fate. Key regulators such as TFEB, stress granule components and gasdermin A have been experimentally linked to this response, and its dysregulation contributes to cancer, neurodegeneration and inflammatory diseases. Studying GO:0009267 with CRISPR-based models and multi-omics approaches will continue to reveal therapeutic opportunities and deepen our understanding of nutrient sensing.
References
- 1. Settembre C et al.. 2013. TFEB controls cellular lipid metabolism through a starvation-induced autoregulatory loop.. Nat Cell Biol 15(6):647-58 PMID: 23604321
- 2. Xie Z et al.. 2016. Metabolic Regulation of Gene Expression by Histone Lysine β-Hydroxybutyrylation.. Mol Cell 62(2):194-206 PMID: 27105115
- 3. Voo K et al.. 2021. Maternal starvation primes progeny response to nutritional stress.. PLoS Genet 17(11):e1009932 PMID: 34843464
- 4. Amen T et al.. 2021. Stress granules inhibit fatty acid oxidation by modulating mitochondrial permeability.. Cell Rep 35(11):109237 PMID: 34133922
- 5. Li X et al.. 2024. Starvation-induced phosphorylation activates gasdermin A to initiate pyroptosis.. Cell Rep 43(9):114728 PMID: 39264808
- 6. Chiodi I et al.. 2019. Cellular response to glutamine and/or glucose deprivation in in vitro transformed human fibroblasts.. Oncol Rep 41(6):3555-3564 PMID: 31002368
- 7. Li F et al.. 2024. The physiological response of oriental river prawn Macrobrachium nipponense to starvation-induced stress.. Comp Biochem Physiol Part D Genomics Proteomics 50:101229 PMID: 38531153
- 8. Betley JN et al.. 2015. Neurons for hunger and thirst transmit a negative-valence teaching signal.. Nature 521(7551):180-185 PMID: 25915020
