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Rethinking the mitochondrial theory of aging

The human genome is broadly classified into the genome residing in the cell nucleus (nuclear DNA) and the genome residing in the mitochondria (mitochondrial DNA: mtDNA). Mitochondria are cell organelles that produce energy essential for life activities through oxidative phosphorylation (mitochondrial respiration), and mtDNA encodes a set of genes required for mitochondrial respiration.

27 May 2025

Integrating pharmacogenomics into everyday clinical practice can transform patient care

Pharmacogenomics studies how individuals respond to drugs based on their genetic code. Using that knowledge to guide prescribing in routine care could lead to better outcomes for patients and save money for health systems.

26 May 2025

New blood test speeds up diagnosis of rare childhood diseases

A new, rapid testing method will greatly help the diagnosis of rare diseases in babies and children, according to research to be presented to the annual conference of the European Society of Human Genetics today (Monday).

25 May 2025

Fungal antiviral responses controlled by RNA editing and transcription factor dynamics

The expression of symptoms of viral infections is a byproduct of complex virus-host molecular pathways.

23 May 2025

Tuberculosis bacteria use molecular switch to pause and restart growth

The bacteria that cause tuberculosis (TB) may have an "on-off switch" that lets them pause and restart growth, according to a new study from the University of Surrey and the University of Oxford.

23 May 2025

FOXP4 gene variants reveal new genetic link to long COVID risk

Researchers have identified genetic variants in the FOXP4 gene that significantly increase the risk of developing long COVID, independently of COVID-19 severity. The study also reveals that ancestry, smoking, and other factors contribute to the complex genetics of long COVID.

23 May 2025

Ancient DNA sheds light on evolution of relapsing fever bacteria

Researchers at the Francis Crick Institute and UCL have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes in the process.

22 May 2025

Study uncovers first proof of introners jumping between species

DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps the species survive. Some pieces of DNA are more like parasites, along for the ride and their own survival.

22 May 2025

Understanding how cholera bacteria resist phage predation

When we think of cholera, most of us picture contaminated water and tragic outbreaks in vulnerable regions. But behind the scenes, cholera bacteria are locked in a fierce, microscopic war-one that could shape the course of pandemics.

22 May 2025

Mediterranean eating habits help European children fight genetic obesity risk

A large European cohort study found that adherence to the Mediterranean diet mitigates the impact of genetic risk for obesity in children, especially in early childhood. High consumption of vegetables and legumes was linked to lower obesity risk, regardless of genetic predisposition.

22 May 2025

Unlocking the secrets of human longevity and healthy aging

Human healthy aging and longevity are complex phenomena influenced by a dynamic interplay of genetic, epigenetic, metabolic, immune, and environmental factors.

22 May 2025

New AI blood test tracks pancreatic cancer treatment response

An artificial intelligence technique for detecting DNA fragments shed by tumors and circulating in a patient's blood, developed by Johns Hopkins Kimmel Cancer Center investigators, could help clinicians more quickly identify and determine if pancreatic cancer therapies are working.

22 May 2025

New study links fetal mutations to early pregnancy loss

In a study published in Nature today "Sequence diversity lost in early pregnancy," scientists from deCODE genetics, a subsidiary of Amgen, estimate that around one in 136 pregnancies are lost due to new mutations in the fetus.

21 May 2025

Discovery of novel gene candidate sheds light on autism mechanisms

Autism spectrum disorder (ASD) is a condition affecting the brain's development and often affects the ability of a person to perceive sensory information and social cues and socialize with others.

21 May 2025

New genetic mutation linked to increased prostate cancer risk in Ashkenazi Jewish men

Identifying and classifying gene mutations - which are the permanent changes in a person's DNA genetic code - are critical in better understanding, and with research, eventually treating or preventing, the diseases with which they are linked.

21 May 2025

JAX study sheds light on infection vulnerability in patients with rare mitochondrial diseases

Patients with rare mitochondrial diseases already face a host of serious health issues, from muscle weakness to neurological problems and heart conditions.

21 May 2025

Researchers discover a genetic link to long COVID

An international team of researchers has found a genetic link to long-term symptoms after COVID-19.

21 May 2025

New multiple myeloma-like score assesses disease severity and risk of progression to active cancer

A new risk assessment score developed by researchers at Dana-Farber Cancer Institute and the Broad Institute of MIT and Harvard reveals how multiple myeloma, a form of blood cancer, begins and progresses from precancerous to malignant states by tracing DNA mutations.

21 May 2025

New genetic test speeds up brain tumor diagnosis to just two hours

Scientists and medics have developed an ultra-rapid method of genetically diagnosing brain tumors that will cut the time it takes to classify them from 6-8 weeks, to as little as two hours – which could improve care for thousands of patients each year in the UK.

21 May 2025

Gut bacteria and genes jointly shape obesity risk, review reveals hidden links

Researchers examined the heritability of body mass index (BMI), highlighting that genetics and the gut microbiome both play major roles in obesity risk. The review emphasizes that maternal microbiome transmission and family environment may help explain “missing heritability” beyond known genetic factors.

20 May 2025