Genetics, Aging, and Longevity in Model Organisms

DAF-18/PTEN protects LIN-35/Rb from CLP-1/CAPN-mediated cleavage to promote starvation resistance

This study identifies DAF-18/PTEN's role in protecting LIN-35/Rb from cleavage by CLP-1/CAPN to enhance starvation resistance in C. elegans.

Compression of morbidity by interventions that steepen the survival curve

The paper presents a theory predicting which longevity interventions compress relative sickspan by steepening the survival curve, supported by evidence from mice, C. elegans, and Drosophila.

AMPK modulates a DEAH Box RNA-helicase to attenuate TOR signaling and establish developmental quiescence

The paper identifies HZL-1, an RNA helicase regulated by AMPK, which modulates TOR signaling to maintain germline quiescence during dauer in C. elegans.

Withania somnifera root extract (LongeFera-TM) confers beneficial effects on health and lifespan of the model worm Caenorhabditis elegans

This study shows that Withania somnifera root extract improves health and lifespan in C. elegans by altering gene expression related to lifespan, fertility, and extracellular matrix remodeling.

Mild activation of the mitochondrial unfolded protein response increases lifespan without increasing resistance to stress

This study shows that mild activation of the mitochondrial unfolded protein response (mitoUPR) through ATFS-1 can increase lifespan without enhancing stress resistance in worms.

Neotenic transcriptomic features in the adult turquoise killifish brain

This study identifies neotenic transcriptomic features in the adult turquoise killifish brain, showing embryonic gene expression patterns and their potential role in maintaining high proliferation and metabolic rates.

Exposing the core genetic drivers of chronological aging in yeast cells

This study identifies core genetic drivers of chronological aging in yeast through meta-analysis and functional screens, revealing Tec1 and mitochondrial machinery as key regulators.

Interspecies relationships of wild amoebae and bacteria with C. elegans create environments propitious for multigenerational diapause.

This study shows that a natural ensemble of bacteria and amoebae induces diapause in C. elegans through RNA communication and pheromone signaling, with effects persisting across generations.

Developmental mitochondrial Complex I activity determines lifespan

This study shows that developmental mitochondrial complex I dysfunction reduces lifespan and stress resistance, while adult-onset dysfunction increases lifespan and stress resistance.

Machine vision based frailty assessment for genetically diverse mice

The paper extends a machine vision-based frailty assessment tool to genetically diverse mice, enabling accurate prediction of frailty, age, and lifespan proportions using video data.

A FMRF-amide peptide that regulates cell non-autonomous protein homeostasis in C. elegans.

This study identifies FLP-17, a neuropeptide that mediates cell non-autonomous UPRER activation in C. elegans, protecting against ER stress and protein aggregation.

Stress-dependent activation of PQM-1 orchestrates a second-wave proteostasis response for organismal survival

This study identifies PQM-1 as a stress-responsive transcription factor that promotes proteostasis and organismal survival through a secondary wave stress response mechanism.

Yeast aging from a dynamic systems perspective: Analysis of single cell trajectories reveals significant interplay between nuclear size scaling, proteasome dynamics, and mitochondrial morphology

The paper analyzes single-cell yeast aging trajectories to show proteasome dynamics and nuclear size scaling are key predictors of lifespan and influence mitochondrial morphology.

Environmental NaCl affects C. elegans development and aging

This study shows that NaCl in standard C. elegans growth medium accelerates aging and reduces lifespan, with toxicity increasing with age and activating stress response pathways.

Exploring Erdr1-Mid1 Axis: Shared Risk Factors and Molecular Mechanisms in Aging and Degenerative Diseases

This study identifies Erdr1 and Mid1 as shared risk factors for aging and degenerative diseases, showing they modulate oxidative stress through alternative splicing and activation, and proposes therapeutic strategies to mitigate cellular damage.

Intergenerational control of ribosomes under dietary restriction

The paper shows that maternal dietary restriction reduces offspring ribosome content in C. elegans, mediated by mTORC1 signaling, delaying growth until ribosomal levels recover.

Mutation of an insulin-sensitive Drosophila insulin-like receptor mutant requires methionine metabolism reprogramming to extend lifespan

This paper shows a Drosophila insulin-like receptor mutation extends lifespan by reprogramming methionine metabolism, avoiding insulin resistance and maintaining growth and reproduction.

Early life starvation and Hedgehog-related signaling activate innate immunity downstream of daf-18/PTEN and lin-35/Rb causing developmental abnormalities in adult C. elegans

This paper identifies daf-18/PTEN and lin-35/Rb as tumor suppressors that counteract early life starvation-induced developmental abnormalities in C. elegans by modulating Hedgehog signaling and innate immunity.

Noncoding RNAs evolutionarily extend animal lifespan

This study identifies noncoding RNAs as key drivers of lifespan evolution in animals, showing that longer ncRNAs and specific motifs correlate with extended lifespan.

Dynamic Changes in Gene Expression Through Aging in Drosophila melanogaster Heads

This study uses multi-timepoint RNA sequencing in Drosophila melanogaster to identify age-related gene expression changes, revealing non-linear patterns missed by two-timepoint comparisons.

The Multiomics Blueprint of Extreme Human Lifespan

This study presents a multi-omics analysis of a supercentenarian, revealing that extreme age and poor health are distinct molecular processes.

Activation of proteostasis pathways after acute exercise in C. elegans

This study investigates how acute exercise affects proteostasis pathways in C. elegans, finding increased proteasomal activity, autophagic flux, and lifespan extension.

Functional Specialization of S-Adenosylmethionine Synthases Links Phosphatidylcholine to Mitochondrial Function and Stress Survival

The paper investigates the functional specialization of SAM synthases in C. elegans, showing that SAMS-1 affects mitochondrial function and stress survival through phosphatidylcholine, while SAMS-4 is critical for methylation reactions.

Eukaryotic Elongation Factor 2 Kinase EFK-1/eEF2K promotes starvation resistance by preventing oxidative damage in C. elegans

This study identifies efk-1/eEF2K as a key factor in C. elegans starvation survival by enhancing DNA repair and reducing oxidative stress through a translation-independent mechanism.

fmo-4 promotes longevity and stress resistance via ER to mitochondria calcium regulation in C. elegans

This study shows that fmo-4 in C. elegans extends lifespan and stress resistance by regulating calcium homeostasis through interactions with known longevity pathways.

Peroxisomal Dysfunction Drives Loss of Dynamic Nutrient Responses to Initiate Metabolic Inflexibility During Aging

This study shows that peroxisomal dysfunction during aging reduces metabolic flexibility by impairing mitochondrial dynamics and nutrient responses, which can be mitigated by dietary restriction.

Reduction of DNA Topoisomerase Top2 reprograms the epigenetic landscape and extends health and life span across species

This study shows that reducing Top2b extends lifespan and healthspan in multiple species by altering the epigenetic landscape and reversing aging hallmarks.

Dietary sterol depletion is associated with gut dysfunction in Drosophila melanogaster females

This study shows that low sterol diets in Drosophila melanogaster females lead to gut dysfunction and reduced lifespan.

Epigenomic insights into extreme longevity in the world's oldest terrestrial animal, Jonathan

The paper analyzes the DNA sequence and methylome of Jonathan, a 192-year-old giant tortoise, to identify epigenomic features associated with extreme longevity.

SRS microscopy identifies inhibition of vitellogenesis as a mediator of lifespan extension by caloric restriction in C. elegans

The paper uses SRS microscopy to show caloric restriction extends C. elegans lifespan by inhibiting vitellogenesis, a process linked to protein buildup in the pseudocoelom.