Articles tagged with Genomic Analysis
A team from the University of Basel identified 35 previously unknown bacterial pathogens and classified another 26 as difficult to identify. Many of these newly discovered species are associated with clinically relevant infections and can cause rare infections in humans.
A new study reveals around 11,000 housekeeping cis-regulatory elements (HK-CREs) that play a crucial role in maintaining cellular stability and function. These elements were found to have potential as essential housekeeping tumor suppressors, with reduced activity in diverse cancer subtypes.
A research team developed a novel blood test called desNIPT to screen pregnant women for genetic diseases in their unborn children. The test has demonstrated effectiveness in identifying alterations in fetal genes, similar to invasive procedures like chorionic villus sampling or amniocentesis.
A team of scientists sequenced the full genome of a sea cucumber collected at a hydrothermal vent, revealing expanded gene families involved in DNA repair and iron metabolism. The research provides valuable insights into the unique adaptations of marine animals to survive in extreme environments.
A new study led by the Smithsonian identifies five new species of soft-furred hedgehogs from Southeast Asia, using DNA analysis and physical characteristics. The two new species, Hylomys vorax and H. macarong, are endemic to the endangered Leuser ecosystem in North Sumatra and Southern Vietnam.
A new metagenomics tool has improved the diagnosis of infections by detecting rare pathogens with high accuracy. The tool was tested on 742 samples from 523 patients and showed a diagnostic yield of over 25% in cases where infection was strongly suspected.
Researchers found that pre-zygotic germline variants and post-zygotic hypermethylation at 11p15.5 predispose patients to bilateral Wilms tumor. This study provides new insights into the genetic and epigenetic mechanisms underlying the disease, with potential implications for treatment decisions and clinical trials.
The study of 146 ancient Balkans reveals a diverse, cosmopolitan Roman Empire with African and Eastern European immigrants. The team identified three individuals of African origin and a large demographic influx from the Anatolian Peninsula during Roman rule.
Researchers from the Smithsonian National Museum of Natural History analyzed a 160-year-old woolly dog pelt to determine its genetic makeup. The study found that woolly dogs diverged from other breeds up to 5,000 years ago and were genetically similar to pre-colonial dogs from Newfoundland and British Columbia.
Genetic material from Neanderthal ancestors may have influenced the preference for waking up early in some people. Studies found that introgressed genetic variants from Neanderthals are associated with increased morningness and a shorter circadian period, which is beneficial at higher latitudes.
A multidisciplinary team reconstructed the genomic history of the Balkan Peninsula during the first millennium CE, finding an influx of genetically similar individuals who spoke Slavic languages. This study sheds light on the cosmopolitanism of the Roman frontier and the long-term consequences of migrations that accompanied the breakdo...
A new study published in Nature Microbiology suggests that providing easy access to HIV treatment and care for heterosexual men could rapidly cut transmission to their female partners. Closing the viral suppression gap in men is estimated to halve rates of new infections among women and eliminate gender disparities.
A multidisciplinary study reconstructed the genomic history of the Balkan Peninsula during the first millennium CE, highlighting cosmopolitanism of the Roman frontier. The analysis revealed a large demographic contribution of people from Anatolia and cases of long-distance mobility from Africa and the steppes.
A new experimental model, human precision-cut lung slices (hPCLS), was used to study lung disease mechanisms and understand treatment response. The team leveraged single-cell genomics to analyze cell activity in hPCLS after specific treatments.
A genomic analysis in southern Mozambique found that new molecular tests are needed to detect a wider range of mutations conferring resistance to first-line TB drugs. The study identified high numbers of isoniazid-resistant cases, which were also missed by the Xpert/Ultra test.
A study by the University of the Basque Country uses game theory to establish that tumours with less cellular heterogeneity are more aggressive. The work suggests a fresh theoretical approach for new therapeutic strategies, focusing on preserving high intratumour heterogeneity.
Researchers used AI to discover 464 types of enzymes in E. coli and verified their predictions through in vitro enzyme assay. The developed AI can predict a total of 5360 enzyme EC numbers, enabling accurate analysis of metabolic processes and development of eco-friendly microbial factories.
The Chinese team has completed the genome assembly of Cornus wilsoniana, revealing key findings on its evolution, oil biosynthesis, and floral bud development. The study provided valuable resources for germplasm innovation and genetic improvement of C. wilsoniana.
Researchers analyzed genes and brain tissue of patients with Alzheimer's disease to find sex-specific differences in immune function, cellular metabolism, and communication between brain cells. The study suggests that these differences contribute to women's increased risk for the disease and its severity.
A new study reveals that younger people are more vulnerable to the effects of high blood cholesterol and hypertension, atherosclerosis can be reversed if risk factors are controlled early enough. The study suggests aggressive control of cardiovascular risk factors at younger ages.
Researchers at University of Pittsburgh and KU Leuven identified 30 genetic regions associated with head shape, shedding light on the biological basis of craniosynostosis. The study also found that many genes play key roles in early head formation and bone development.
Researchers identified a promising dual-purpose target, KDM1A, using AI analysis of transcriptomic data from 16,740 healthy samples and 11,303 tumors. KDM1A was found to significantly extend lifespan in Caenorhabditis elegans and has anti-cancer activities established in preclinical and clinical studies.
Researchers have identified 451 genetic variants associated with prostate cancer risk through a comprehensive analysis of nearly 950,000 men. The findings improve the accuracy of genetic risk scores and may lead to personalized screening recommendations for men at higher risk.
A recent study has provided significant genomic insight into tar spot of corn, a destructive disease causing $1.2 billion in yield loss. The researchers identified over 100 novel effectors that play a crucial role during infection, warranting further investigation.
A new method extracts DNA from cat hair, linking suspects and crime scenes, with potential applications in dog cases too. Researchers found a single cat hair contains usable DNA, which can be sequenced for a more powerful link.
Researchers found that neutral genetic diversity correlates with functional genetic diversity in Eastern massasauga rattlesnakes, suggesting a more efficient approach for species conservation. This discovery has implications for endangered species conservation, as it may not be necessary to sequence entire genomes for all cases.
A new study confirms the presence of deadly Vibrio bacteria in Florida's coastal waters following Hurricane Ian. The research, led by University of Maryland senior author Rita Colwell, found high levels of pathogenic Vibrio parahaemolyticus and Vibrio vulnificus, particularly in oyster samples from Lee County.
A large-scale prospective study identified significant variations in the gut microbiome of individuals who developed pre-cancerous colonic lesions. These findings suggest that the microbiome could act as a valuable tool to improve existing tests, advancing early detection methods for colorectal cancer.
Researchers assembled an atlas of hundreds of cell types that make up a human brain in unprecedented detail. The study uses techniques originally developed for mice to identify brain cell subtypes in human brains.
Two parallel projects publish detailed cell atlases of the adult human brain and brain development, revealing over 3,000 cell types, including new insights into brain diseases and potential therapeutic targets. The freely available brain atlases will enable researchers to compare healthy brains with diseased ones.
A team of researchers applied an unsupervised data-driven analysis method to multiomics dataset, identifying patterns shared across gene expression, DNA methylation, and genetic variation. The study found that these patterns are associated with various diseases and can be used to predict disease onset.
A phase 2 clinical trial found that serial blood tests can identify patients who benefit from additional immunotherapies, suggesting a potential early marker of treatment response. The study also showed that ctDNA analyses correlated with tumor size and survival, making it a promising strategy for guiding therapy.
The Illinois-led project will sequence at least 50 soybean genomes from cultivated lines and wild relatives, as well as 350 high-quality draft genomes. This will enable the identification of genetic variation and its incorporation into better crops, ultimately leading to climate-resilient soybean varieties.
Researchers have discovered widespread genomic mutations and instability in transmissible cancers found in clams, which may explain their survival for over 200 years. The study highlights the clam's potential as a model for studying cancer evolution and developing novel strategies to block cancer in humans.
A new study reveals that consanguinity may increase the risk of common diseases such as type 2 diabetes and post-traumatic stress disorder. The research analyzed genomic data from diverse groups to investigate the relationship between autozygosity, or genetic relatedness, and disease prevalence.
A recent study published in Nature Communications has identified five rare genetic variants associated with male-pattern hair loss. The researchers analyzed the genetic sequences of 72,469 male participants from the UK Biobank project and found associations between rare variants in genes such as EDA2R, WNT10A, HEPH, CEPT1, and EIF3F.
A study published in eBioMedicine identified 9 sets of biomarkers, both metagenomic and transcriptomic, associated with 30-day mortality in patients with severe community-acquired pneumonia. The biomarkers were validated with an accuracy of 85%, significantly higher than existing clinical prediction models.
A new study has found that bats' extraordinary ability to host and survive infections may be linked to their low cancer rates. Researchers sequenced the genomes of two bat species and compared them to other mammals, discovering genetic adaptations that allow bats to tolerate viral infections.
A new study found that most C. diff infections are caused by characteristics associated with the patient themselves, not hospital transmission. Researchers analyzed fecal samples from over 1,100 ICU patients and discovered only six genomically supported transmissions during a nine-month period.
Researchers identified distinct genomic characteristics that impact prognosis for patients with triple negative apocrine carcinoma. The study confirmed a five-year disease-free survival rate of 92.2% for these patients, significantly higher than those diagnosed with other types of TNBC.
A new study found that flowering plants suffered some species loss but became the dominant type of plant after the mass extinction event. They adapted through various seed-dispersal and pollination mechanisms, genomic duplication, and innovative photosynthesis methods.
Scientists have detected new strains of malaria-causing parasites in Ethiopia that are resistant to current treatments and escape detection by common diagnostic tests. The prevalence of these double-resistant parasites is a concern for malaria control and elimination efforts in Africa, where the disease remains endemic.
Researchers confirm invasive red fire ant species Solenopsis invicta has established itself in Sicily, with potential to spread across Europe due to climate change. Urban areas are particularly at risk, and the team plans a multi-year treatment plan to eradicate nests and monitor the ants' spread.
A new study has shed light on the origins of St Helena's 'liberated' Africans, who were brought to the island between 1840 and 1867. The research reveals that they most likely originated from areas between northern Angola and Gabon in West Central Africa.
Researchers at Pitt Public Health analyzed thousands of human genomes to find new gene variations influencing Alzheimer's disease risk. They identified 15 additional variations in the APOE gene and other genome areas that may influence disease risk, although more research is needed for definitive conclusions.
Researchers found that pregnant mice experiencing copy number variation (CNV) showed similarities to aging, with biomarkers and genetic effects appearing during pregnancy and reversing after delivery. This study aims to revolutionize aging treatment by investigating the mechanisms behind post-labor rejuvenation.
Researchers have identified specific genetic elements in a highly virulent Lyme disease strain, suggesting key factors contributing to its infectiousness and human dissemination. The study's findings provide new insights into the spread of this debilitating disease.
The study validates a comprehensive genomic profiling assay, NeXT Dx, which detects single nucleotide variants, indels, copy number alterations, and gene fusions. The assay demonstrates high analytic sensitivities and specificity, providing personalized recommendations critical to clinical decision-making.
Researchers found that white-tailed deer are virus reservoirs, promoting ongoing mutation of the SARS-CoV-2 virus. At least 30 infections were introduced by humans, and an estimated 23.5% of deer had been infected at one time or another.
Researchers found that specific regions of the genome with unique features act as hotspots for mutation accumulation in human cancer. Certain mutational signatures linked to alcohol consumption accumulate in early-replicated genome segments, defying conventional understanding.
A groundbreaking study has unraveled the secrets of a 3,800-year-old extended family from a Bronze Age necropolis in the Russian steppe. The research reveals that most women buried in the kurgan were immigrants, while their sisters found new homes elsewhere, highlighting the importance of female marriage mobility in prehistoric societies.
Research by the Peter Doherty Institute found that inflammation alters plasma composition, hindering parasite maturation. This work reveals a new mechanism slowing down malaria parasite development in the bloodstream.
A new study improves the chances of finding the right drug to kill individual cancers in children by incorporating high-throughput drug screening into precision medicine. The approach reveals additional drug sensitivities and predicts clinical response, leading to better treatment options.
A study analyzing genomic data from 34 fossils, including the famous sambaquis shell mounds, found that Luzio, São Paulo's oldest skeleton, was a descendant of the ancestral population that settled the Americas at least 16,000 years ago. The research also revealed differences between coastal and inland communities, suggesting two disti...
Genome analysis reveals that hulled and naked oat varieties were domesticated independently around 51,000 years ago. The study found higher genetic diversity in naked oat compared to hulled oat, contradicting the long-held assumption of a recent mutation.
Researchers discovered a new nematode species in Siberian permafrost with molecular toolkit for survival, sharing similarities with Caenorhabditis elegans. The species, Panagrolaimus kolymaensis, can survive extreme conditions by producing trehalose and mild dehydration exposure.
Researchers identified 145 key genetic points controlling skeletal proportions using AI on tens of thousands of X-ray images and genetic sequences. This discovery opens a window into predicting patients' risks of developing conditions like back pain or arthritis.
Researchers analyzed genes and conducted family studies, discovering mutations in the DHX9 gene disrupting its normal function. The study supports that variations of DHX9 underlie human neurodevelopmental disorders and neuropathy.
A new study reveals that biscuspid aortic valve is caused by mutations in the MINDBOMB1 gene, with significant implications for developing alternative treatments to surgery. The research combines genome sequencing and gene editing techniques to analyze the mechanisms of this congenital defect.
Researchers developed a computational technique combining genomic and tau PET imaging data to identify four subtypes of Alzheimer's disease. The integrated approach also revealed top genes associated with each subtype. This personalized diagnostic technique has potential for broad utility across various diseases.