Articles tagged with Genomic Analysis
A new study has identified 16 new locations in the genome linked to immunoglobulin A (IgA) nephropathy, a common kidney disease. The research confirms an earlier hypothesis that the immune system plays a key role in driving the disease and provides potential drug targets for treatment.
A new study sheds light on the genetic heritage of chickpeas by analyzing landrace genomics from over 400 specimens collected in the 1920s and 1930s. The research reveals that the spread of chickpeas within each region occurred predominantly along trade routes, rather than through simple diffusion.
The researchers have demonstrated significant improvements for chip-based sensing devices that can detect or analyze substances across widely varying concentrations. They developed signal-processing techniques that enable seamless fluorescence detection of a mixture of nanobeads in concentrations across eight orders of magnitude.
A new study by CNIC researchers reveals that low-grade systemic inflammation triggered by subclinical atherosclerosis accelerates epigenetic aging in otherwise healthy young individuals. The study found a strong association between atherosclerosis progression and accelerated biological age, with potential reversibility through lifestyl...
A new genomic analysis reveals a north-south divide in P. falciparum drug resistance markers and genetic structure in Mozambique. The findings suggest that artemisinin remains effective for treating malaria, while piperaquine can be used in combination therapies. However, the high frequency of quintuple mutants requires close monitorin...
A team of scientists has discovered that IL-17 protein plays a central role in skin ageing, leading to inflammation and deterioration. Temporary inhibition of IL-17 slows down the appearance of aging symptoms, offering new possibilities for treating skin conditions and facilitating recovery after surgery.
Researchers have unlocked the large-scale genomic analysis of foxtail millet, an important cereal crop that has been grown for roughly 11,000 years. The study identified key genes and marker-panels for its evolution and improvement in different environments.
Researchers have developed a self-teaching web app called BRIDGEcereal that quickly and accurately analyzes genomic data for cereal crops, identifying patterns of DNA variations. This breakthrough tool is expected to revolutionize crop improvement by efficiently mining publicly accessible cereal pan-genomes.
Scientists using popular computational tools to interpret AI predictions are picking up too much 'noise' when analyzing DNA. Researchers have found a way to fix this by applying a new line of code, leading to more reliable explanations and potentially unlocking the next breakthrough in health and medicine.
Scientists have found that siblings with autism spectrum disorder (ASD) share more of their father's genome than initially thought. In many cases, it is the father who may play a bigger genetic role in ASD. This discovery offers new potential sources for understanding and treating the disorder.
Researchers at the University of Illinois have identified strong correlations between SARS-CoV-2 cases and deaths, temperature, and latitude. The studies suggest that the virus is genetically encoded to exhibit seasonal behavior, which could be influenced by vaccine design.
The Human Pangenome Reference Consortium expands and updates the human genome project with nearly full genomic data from 47 people of diverse ancestry. Researchers at UW Medicine made significant contributions to drafting the pangenome reference and studying variation within repetitive DNA, which could improve equity in human genome re...
The human pangenome reference combines genetic material from 47 individuals, enabling a deeper and more accurate understanding of worldwide genomic diversity. This improves the detection of variants in the human genome, particularly structural variants that can have important health implications.
A USC researcher and international team identified consistent DNA base pairs across 240 mammals, including humans, that play a key role in human disease. These 'constrained' base pairs remained generally consistent over millions of years of evolution and are significantly linked to genetic variation.
Researchers at NIH have identified large-scale DNA changes, known as structural variants, that contribute to dementia risk. These variants were found in samples from patients with Lewy body dementia and frontotemporal dementia.
Researchers have identified mechanisms behind the emergence of new and contagious coronavirus variants by analyzing over three million genome sequences. The study found that concordant substitutions occurring at other sites influence the likelihood of a substitution occurring at a specific site, leading to unexpected variant emergence.
The study reveals that mammals diversified before the K-Pg extinction, driven by continental drifting and stability following the mass extinction. This led to the rich diversity of mammal lineages, including carnivores, primates, and hoofed animals.
A new study reveals that analyzing DNA can help predict which animals are most at risk of extinction. By examining the genomes of 240 mammal species, scientists found that those with smaller historical populations carry higher burdens of damaging mutations and are more likely to face extinction.
A large-scale genomic study of 240 mammal species reveals previously uncharacterized regulatory elements in the human genome, linked to disease risks and distinctive traits. The research provides insights into the evolutionary development of mammalian genomes and their potential applications in medical research.
A Cornell University-led project has reconstructed Balto's phenotype using ancient DNA extraction and analysis. The research reveals that Balto had a genetically healthier and less inbred lineage than modern breeds, with characteristics adapted to the extreme environment of 1920s Alaska.
Two contagious cancers, devil facial tumour 1 (DFT1) and 2 (DFT2), affecting Tasmanian devils have been tracked to understand their origins and evolution. Researchers found DFT2 is a faster-growing cancer with rapid mutations, posing a significant threat to the species.
A new genomic catalogue of malignant peripheral nerve tumour-derived lines has challenged current diagnostic criteria, revealing misdiagnosed cell lines and a shared cell line masquerading as different types. The catalogue provides new information to develop precision therapies for these tumours.
A new clinical RNA sequencing platform at SickKids is helping researchers understand complex genetic conditions and improve diagnosis for patients with rare diseases. The platform has been validated to be used in the clinical space, providing valuable diagnostic information that complements genome sequencing.
A recent study published in PLOS Biology identifies a global strain of emerging wheat disease fungus, highlighting the importance of genomic surveillance in tracking pathogen evolution and crop resistance. The research found that breeds of wheat carrying the Rmg8 gene are resistant to this fungal strain.
A groundbreaking study finds that horses were raised, fed, and ridden by Indigenous Peoples on the American Plains over 700,000 years ago. Genetic analysis reveals a strong Iberian ancestry, contradicting the prevailing narrative of European introduction after the Pueblo Revolt of 1680.
Researchers have created a new tool, EN-TEx, to analyze genetic mutations and predict disease risk. The catalog of allele-specific variants provides rich data for accurate personal genomics, enabling scientists to study the effects of genetic mutations in tissues that are difficult to obtain without surgery.
The study confirms that a significant number of people from Southwest Asia moved to the Swahili coast in medieval and early modern times, having children with local populations. Hallmarks of the Swahili civilization predated these arrivals, contradicting previous scholarly views.
Researchers analyzed autopsies of 14 patients with advanced melanoma, finding that changes to tumor DNA can cause resistance to treatment. The study sheds light on the final stages of cancer and may lead to new treatments for patients with advanced disease.
A new American Heart Association scientific statement provides guidance on interpreting incidental genetic variants associated with cardiovascular disease risk. The statement aims to determine whether a variant truly carries a health risk and suggests next steps for individuals and healthcare professionals.
Researchers analyzed DNA from Beethoven's hair to shed light on his chronic health problems, including progressive hearing loss. They found genetic risk factors for liver disease and evidence of a hepatitis B virus infection, which likely contributed to his death.
Researchers developed a novel machine-learning algorithm that analyzes a person's entire transcriptome to create an 'atlas' of pediatric cancer. The platform refines cancer diagnoses for 85% of pediatric cancer patients, identifying 455 subtypes of cancer and revealing subtle differences within subtypes.
An international research team analyzed over 400 Omnitrophota genomes, uncovering details about their biology and behavior. The study found that Omnitrophota are hyperactive with high metabolic rates, possibly as predators or parasites of other microorganisms.
A recent genomic study identifies two genetically distinct Ashaninka subgroups, suggesting a complex history of interactions with neighboring populations. The research also hints at a possible migration from southeastern South America or the Southern Cone, shedding new light on the genetic origins of this Indigenous group.
A recent study analyzed 7,301 metastatic breast cancer patients with MTAP loss, revealing younger age, higher TNBC cases, and BRCA1 mutations. The findings also suggest potential therapeutic agents targeting PRMT5 and MTA2 in MTAP-deficient cancers.
The giant faba bean genome has been successfully sequenced, offering insights into its traits such as drought tolerance and protein content. This breakthrough has the potential to improve crop yields and reduce reliance on artificial fertilizers, making faba bean a more attractive crop for sustainable agriculture.
Researchers used UK Biobank image and genomic data to uncover insights into rare retinal dystrophies, a leading cause of blindness in working-age adults. The study identified new genetic associations with the thickness of photoreceptor cell layers, offering new avenues for research and diagnosis.
Bielefeld University researchers developed an AI method using Capsule Networks to analyze genotype profiles of 3,000 ALS patients, achieving 87% accuracy in predicting whether or not people will develop ALS. The study reveals over 900 genes that play a role in identifying the disease.
A new study by Institut Pasteur reveals that the 'bony-tongues' and 'eels' are genetically linked, shedding light on the evolutionary history of teleost fishes. The researchers sequenced genomes of several species and reconstructed relationships between different fish groups.
A new study links genetic changes in kidney cancer to patient outcomes, identifying four groups of patients based on mutation presence. This research may lead to more effective prediction of recurrence risk and personalized treatment for thousands of patients annually.
The study reveals that genetic variation is preserved in a highly fragmented population of the Saimaa ringed seal. The unique shape of Lake Saimaa compensates for the detrimental effects of small population size, allowing the species to maintain its adaptive potential.
A recent study found that metformin users had distinct DNA methylation profiles compared to non-users, potentially revealing its role in longevity. The research identified several pathways related to delirium and aging, highlighting the need for further investigation into metformin's mechanism of action.
A recent study published in Human Genetics has confirmed the genetic link between migraine and blood sugar levels, identifying shared loci and genes. The researchers found a significant correlation between fasting insulin and glycated haemoglobin with both migraine and headache.
A recent study published in Immunity reveals that human T-cell receptor genes exhibit unexpectedly high variability among individuals, with each person having a unique set of gene variants. The researchers identified 175 new gene variants originating from Neanderthals, which are present in up to 20% of modern humans in Europe and Asia.
Scientists sequenced genomes of 'eel' species to reconstruct relationships between teleost fishes, ending decades-long controversy over their evolutionary history. The analysis revealed a single group, Eloposteoglossocephala, that encompasses both eels and bony-tongues.
A research group at Nagoya University has sequenced 95.6% of the Nicotiana benthamiana genome using next-generation sequencing technology. The findings provide insight into the plant's ability to perform grafting, a rare phenomenon in plants.
A study published in PLOS ONE found that common microbiome analysis techniques can yield erroneous results due to incomplete DNA databases. The researchers used computer simulations to test the consistency of current methods, showing that a large number of detected species are not actually present in the community.
A genomic study of the Seattle 2017-2022 Shigella outbreak revealed its origin as international travelers from areas where Shigella was common. The study also found that multi-drug resistant Shigella has become a growing global health concern, primarily affecting men who have sex with men and those experiencing homelessness.
A study found white-tailed deer are harboring SARS-CoV-2 variants that were once widely circulated but no longer found in humans. The deer may have become infected through contact with humans, and the virus has adapted to the deer population, potentially making it more transmissible between them.
Researchers identified a subset of mutations within tumor mutation burden that remain persistent and visible to the immune system, increasing likelihood of response to immunotherapy. This finding enables clinicians to more accurately select patients for clinical trials or predict clinical outcomes with immune checkpoint blockade.
The study reveals unexpected mechanisms that enable Aromatoleum aromaticum EbN1 T to adapt to changing environments. By analyzing its metabolic network, researchers developed a model to predict growth under diverse conditions.
Researchers developed a computational analysis method to detect and identify somatic SVs in leukemia patients, gaining insights into molecular consequences and potential therapies. The approach enables understanding of individual somatic mutations and may lead to targeted treatments.
A study published in Evolution found that polygamous birds have higher efficiency of natural selection, leading to fewer harmful mutations and increased genetic diversity in small subsets of species with polygamous females.
Researchers at Children's Hospital of Philadelphia developed ESPRESSO, a new computational tool that can accurately discover and quantify RNA molecules from error-prone long-read RNA sequencing data. This will enable better diagnosis of rare genetic diseases and discovery of potential therapeutic targets in cancer.
Researchers analyzed over 600 genome sequences to chart the complex history of Y. pestis, the bacterium that causes plague. They found an unstable molecular clock and identified five populations throughout history, including ancient pandemic lineages.
A recent study found that genomic testing can identify genetic causes of childhood hearing loss and provide critical information on its clinical characteristics. The researchers detected variants responsible for hearing loss in 43 different genes, and the severity of hearing loss varied by gene.
A new toolkit enables researchers to map individual RNA data to a more diverse 'pantranscriptome', addressing reference bias and increasing the accuracy of gene expression mapping. This approach builds on pangenomics, allowing for the comparison of an individual's genome to genetically diverse cohorts of reference sequences.
Researchers analyzed 100 ancient genomes to understand kinship and marriage rules in Minoan Crete and Mycenaean Greece. They found that cousin marriages were common, with over 90% of sons marrying within their own family's hamlet.
Researchers advocate for descendant community involvement in ancient DNA research to ensure benefits and risks are shared fairly. Without such guidance, the science can be exploitative, perpetuating colonial practices and harming modern Indigenous groups.
A landmark study found a strong genetic correlation between higher education and protective causal association with several gut disorders. The research reveals that better education reduces the risk of diseases such as Alzheimer's and inflammatory bowel disease (IBD).
A new study analyzes 48 ancient human genomes and over 16,500 modern Scandinavian genomes to reconstruct the region's genetic history. The research shows that ancestries introduced during the Viking period later declined, suggesting ancient immigrants contributed proportionately less to the modern gene pool.