Topic · Aging · Biochemistry, Genetics and Molecular Biology
Genetics, Aging, and Longevity in Model Organisms
OpenAlex topic; a paper is listed when OpenAlex scores it at least 0.5 for this topic.
500 papers
- NeurosciencebioRxivPreprint
AMPK Modulates Associative Learning via Neuronal Mitochondrial Fusion in C. elegans
Caroline C. Escoubas, Vanessa Laversenne, Emina Tabakovic…·William B. Mair
This study shows that AMPK enhances associative learning in C. elegans by promoting neuronal mitochondrial fusion, which is critical for maintaining neuronal function with age and in neurodegenerative conditions.
DOI 10.1101/2020.11.05.370031 - Systems BiologybioRxivPreprint
An accurate aging clock developed from the largest dataset of microbial and human gene expression reveals molecular mechanisms of aging
Vishakh Gopu, Ying Cai, Subha Krishnan…·Hal Tily
This paper develops an aging clock using human and microbial gene expression data, showing associations between biological age and lifestyle factors.
5 citations - Molecular BiologybioRxivPreprint
NHR-49 acts in distinct tissues to promote longevity versus innate immunity
Nikki Naim, Francis R. G. Amrit, Ramesh Ratnappan…·Arjumand Ghazi
This study shows that NHR-49 promotes longevity and innate immunity in C. elegans through distinct tissue-specific mechanisms and transcriptional programs.
2 citations - NeurosciencebioRxivPreprint
Distinct aging-vulnerable trajectories of motor circuit functions in oxidation- and temperature-stressed Drosophila
Atulya Srisudarshan Ram Iyengar, Hongyu Ruan, Chun‐Fang Wu
This study identifies age-vulnerable motor circuit functions in Drosophila under oxidative and temperature stress, showing distinct aging patterns and highlighting potential neurophysiological markers.
- NeurosciencebioRxivPreprint
Targeted downregulation of estradiol binding Na+/H+ exchanger nhx-2, mimics calorie restriction, extends reproductive longevity and ameliorates effects associated with alpha synuclein aggregation in C. elegans
Shikha Shukla, Lalit Kumar, Arunabh Sarkar…·Aamir Nazir
This study identifies nhx-2 as a modulator that extends reproductive longevity and ameliorates alpha-synuclein aggregation effects in C. elegans by mimicking dietary restriction.
4 citations - GeneticsbioRxivPreprint
Age-dependent ribosomal DNA variations and their effect on cellular function in mammalian cells
Eriko Watada, Sihan Li, Yutaro Hori…·Takehiko Kobayashi
This study identifies age-dependent changes in rDNA copy number, methylation, and sequence variations in mice, linking these alterations to reduced pre-rRNA levels and shortened yeast lifespan.
2 citations - GenomicsbioRxivPreprint
Mapping Drosophila insulin receptor structure to the regulation of aging through analysis of amino acid substitutions
Rochele Yamamoto, Michael Palmer, Helen Koski…·Marc Tatar
The paper identifies an amino acid substitution in the Drosophila insulin receptor that extends lifespan without affecting growth or reproduction.
2 citations - GenomicsbioRxivPreprint
The genome of North American beaver provides insights into the mechanisms of its longevity and cancer resistance
Quanwei Zhang, Gregory Tombline, Julia Ablaeva…·Zhengdong D. Zhang
This study identifies genes contributing to beaver longevity and cancer resistance through genomic analysis of gene copy number, expression, and evolutionary changes.
1 citation - Molecular BiologybioRxivPreprint
IMPACT OF PHENOLIC ACIDS ON THE ENERGY METABOLISM AND LONGEVITY IN C. ELEGANS
Benjamin Dilberger, Selina Weppler, Gunter Peter Eckert
This study examines the effects of phenolic acids on aging and metabolism in C. elegans, finding they improve lifespan and stress resistance but do not enhance mitochondrial function.
4 citations - Developmental BiologybioRxivPreprint
An evolutionarily conserved metallophosphodiesterase is a determinant of lifespan in Drosophila
Kriti Gupta, Vishnu Janardan, Sanghita Banerjee…·Sandhya Srikant Visweswariah
This study identifies a conserved metallophosphodiesterase in Drosophila that influences lifespan, with neuronal expression capable of rescuing lifespan defects.
- BioinformaticsbioRxivPreprint
The changes in the p53 protein across the animal kingdom pointing to its involvement in longevity
Martin Bartas, Václav Brázda, Adriana Volná…·Joanna Zawacka‐Pankau
The paper investigates amino acid variations in p53 across species and finds correlations between specific substitutions and extended lifespan.
- Systems BiologybioRxivPreprint
The landscape of longevity across phylogeny
Dmitriy I. Podolskiy, Andrei S. Avanesov, Alexander Tyshkovskiy…·Vadim N. Gladyshev
The paper analyzes longevity interventions across species and identifies a structured 'landscape of longevity' with soft bounds on achievable lifespan, including a human upper limit of ~138 years.
4 citations - Developmental BiologybioRxivPreprint
C. elegans ELT-3 regulates cuticle collagen expression in response to environmental stimuli
Hiva Mesbahi, Kim B. Pho, Andrea J. Tench…·Lesley T. MacNeil
The paper identifies ELT-3 as a GATA transcription factor that regulates cuticle collagen expression in C. elegans in response to environmental stimuli.
DOI 10.1101/2020.03.06.980656 - GeneticsbioRxivPreprint
Agewise mapping of genomic oxidative DNA modification demonstrates oxidative-driven reprogramming of pro-longevity genes
Lynn Htet Htet Aung, Yin Wang, Zi-Qian Liu…·Peifeng Li
The paper maps oxidative DNA damage in C. elegans across age periods, showing age-specific patterns and a negative association between oxidative modification and pro-longevity gene expression.
- NeurosciencebioRxivPreprint
Hedgehog Signalling Modulates Glial Proteostasis and Lifespan.
Andrew Rallis, Juan A. Navarro, Mathias Raß…·Pascal P. Thérond
This study shows that Hedgehog signaling in Drosophila glial cells protects proteostasis and extends lifespan, with potential therapeutic implications for degenerative diseases.
DOI 10.1101/2020.02.05.935585 - Molecular BiologybioRxivPreprint
Translational control of methionine and serine metabolic pathways underpin the paralog-specific phenotypes of Rpl22 ribosomal protein mutants in cell division and replicative longevity
Nairita Maitra, Chong Z. He, Heidi M. Blank…·Michael Polymenis
The paper identifies translational control of methionine and serine metabolic pathways as the mechanism underlying paralog-specific phenotypes in Rpl22 ribosomal protein mutants, linking these changes to cell division and replicative longevity.
2 citations - Molecular BiologybioRxivPreprint
Developmental Reactive Oxygen Species Target Histone Methylation to Individualize Stress resistance and Lifespan
Daphne Bazopoulou, Daniela Knoefler, Yongxin Zheng…·Ursula Jakob
The paper shows that early developmental ROS increases stress resistance and lifespan by reducing histone H3K4me3 levels in C. elegans and mammalian cells.
1 citation - Systems BiologybioRxivPreprint
Understanding biological ageing in terms of constitutive signals: Convergence to an average decrease in cellular sensitivity and information transmission
Alvaro Martinez Guimera, Daryl P. Shanley
The paper argues that biological ageing involves a decrease in cellular sensitivity and information transmission due to accumulated damage, leading to increased noise in biological networks.
- Systems BiologybioRxivPreprint
Age-related decline in metabolite heavy isotope content in rodent organs
The paper shows age-related decline in heavy isotope content in mouse tissues, suggesting a potential link to aging and healthspan extension.
DOI 10.1101/724435 - Developmental BiologybioRxivPreprint
Astaxanthin extends lifespan via altered biogenesis of the mitochondrial respiratory chain complex III
Ronit Hoffman, Laure D. Sultan, Ann Saada…·Yosef Gruenbaum
This study shows astaxanthin extends C. elegans lifespan by altering mitochondrial complex III biogenesis, with cross-species effects on oxidative phosphorylation.
12 citations - GenomicsbioRxivPreprint
The murine transcriptome reveals global aging nodes with organ-specific phase and amplitude
Nicholas Schaum, Benoit Lehallier, Oliver Hahn…·Tony Wyss‐Coray
The paper analyzes aging dynamics across 17 organs and plasma proteomics in mice, revealing consistent gene expression trajectories with organ-specific timing and amplitude.
19 citations - Systems BiologybioRxivPreprint
Repair, resilience and asymmetric segregation of damage in the context of replicative ageing: it is a balancing act
Johannes Borgqvist, Niek Welkenhuysen, Marija Cvijović
The paper develops a dynamic model of damage accumulation in yeast cells to understand how damage retention and asymmetric division affect replicative ageing.
DOI 10.1101/446302 - Systems BiologybioRxivPreprint
Inhibition of GMP synthesis extends yeast replicative lifespan
Ethan A. Sarnoski, P. Liu, Guste Urbonaite…·Murat Açar
This study shows that inhibiting GMP synthesis extends yeast replicative lifespan through a mechanism independent of known nutrient-sensing and sirtuin pathways.
DOI 10.1101/629428 - GeneticsbioRxivPreprint
Effects of sugars and lipids on the growth and development of Caenorhabditis elegans
Xiong Wang, Lin Zhang, Lei Zhang…·Yali Zhang
This study examines the effects of sugars and lipids on C. elegans growth, finding that excessive intake reduces lifespan, reproductive capacity, and body length while altering gene expression.
1 citation - Systems BiologybioRxivPreprint
Senescent cells and the dynamics of aging
Omer Karin, Amit Agrawal, Ziv Porat…·Uri Alon
The paper combines theory and experiments in mice to show that senescent cells have a rapid turnover that saturates with age, leading to persistent differences in cell accumulation and explaining demographic mortality laws.
4 citations - Molecular BiologybioRxivPreprint
Ferrous-glutathione coupling mediates ferroptosis and frailty in Caenorhabditis elegans
Nicole L. Jenkins, Simon James, Agus Salim…·Gawain McColl
This study shows that ferrous-glutathione coupling promotes ferroptosis and frailty in C. elegans, and blocking ferroptosis extends lifespan and healthspan.
4 citations - Systems BiologybioRxivPreprint
Deep behavioural phenotyping reveals divergent trajectories of ageing and quantifies health state in C. elegans
Céline N. Martineau, Bora Baskaner, Renée I. Seinstra…·Patrick Laurent
This study uses multi-parametric phenotyping to analyze ageing trajectories in C. elegans, revealing divergent ageing patterns in disease models and quantifying health states through phenotypic flexibility.
2 citations