Articles tagged with Genomic Analysis
A new study reveals that over half of human populations worldwide have experienced sharp dips in population size due to founder events, associated with geographic isolation, hunter-gatherer lifestyle, or cultural practices. This analysis technique, ASCEND, will help identify groups at high risk of genetic diseases.
Researchers used nanopore sequencing to detect specific genomic disorders in a fraction of the time it takes traditional testing. The study showed that diagnosis of larger chromosomal alterations could be made in one day, while smaller CNVs took two days.
A Rutgers study predicts a woman's risk of miscarriage based on her genome, providing valuable insights for reproductive choices and fertility treatment plans. The researchers developed an algorithm using machine learning methods to identify genetic variants associated with aneuploidy in human eggs.
A Galapagos giant tortoise species previously believed to be extinct has been confirmed to still exist, thanks to genetic research that sequenced the genome of a single specimen and compared it with living individuals. The study's findings offer hope for the recovery of this species.
A University of Otago-led study used genomic analysis to track the origins of kelp found on southeastern New Zealand beaches, revealing connections to South Georgia and Marion Island. Kelp rafts carry a variety of organisms across vast distances, influencing ecosystem dynamics.
A recent genetic study found a link between height and lower risk of coronary heart disease, as well as higher risk for peripheral neuropathy and circulatory disorders. Being tall appears to protect against cardiovascular problems, but may increase the risk of non-cardiovascular conditions.
Researchers studied meiotic cohesin complexes' effect on chromosome structure and genomic integrity in embryonic stem cells. Maintaining adequate levels of REC8 and STAG3 factors ensures chromosomal stabilization and sister chromatid cohesion.
Researchers at Karolinska Institutet have mapped the formation of hybrid strains in Trypanosoma cruzi, a parasite causing chronic infection and severe symptoms. These hybrids are more effective at evading the immune system and causing disease, but understanding their formation can help develop new diagnostic and treatment methods.
Researchers developed a digital subtraction technique to identify viral DNA in tumor samples, achieving comparable results to standard clinical methods. The study discovered novel associations between specific tumors and viruses, warranting further investigation.
Researchers developed a comprehensive regional diagnostic method using DNA testing, allowing for precise identification of microorganisms and estimation of their abundance. The technique has the potential to revolutionize our understanding of the ocean's food web and its role in removing greenhouse gases.
A recent study published in Neuro-Oncology found that genomic profiling led to more aggressive patient management resulting in improved clinical outcomes compared to traditional biologically matched historical cohorts.
Researchers fill in gaps in Human Reference Genome, discovering repetitive sections are a major source of human variation and genetic diversity. The Telomere-2-Telomere project reveals complex architectural features with significant consequences for understanding human evolution and biological function.
The T2T consortium's completed human genome has shown significant improvements in DNA sequencing accuracy, correcting tens of thousands of errors and revealing millions of genetic variations. This new reference genome can support the analysis of over 200 genes of medical relevance, potentially propelling research into genetic disorders.
A new genetic study supports the Muwekma Ohlone tribe's assertion that they have lived in the area for over 2,500 years. The research found a thread of continuity between ancient genomes and modern-day Muwekma Ohlone people, affirming their ancestral connection to the San Francisco Bay Area.
Researchers mapped the Australian black tiger prawn genome to improve farming productivity and disease resistance. The study also uncovered a unique Endogenous Viral Element (EVE) that helps fight viral infections in prawns.
Scientists developed a novel approach to securely share and analyze genomic data, enabling a more nuanced understanding of heritable diseases like cancer. This 'federated analysis' method allows researchers to analyze large amounts of genomic and clinical data without compromising patient privacy.
Researchers developed a new genomic technology to analyze DNA, RNA and chromatin from a single cell, providing a comprehensive database for better understanding of brain diseases. The technology helped identify 63 cell types in the human frontal cortex region.
Research shows that asexual reproduction in stick insects, such as parthenogenesis, reduces genetic variability and slows down adaptation to environmental changes. This negatively impacts the speed of adaptation and genetic diversity in these insects.
Researchers at UC Davis MIND Institute found a novel gene linked to autism spectrum disorder in newborns. The study analyzed DNA methylation signatures in the placenta, which reflected fetal brain development and early autism diagnosis.
The genome of Steller's sea cow reveals genes that may have played a role in its adaptation to cold marine environments, similar to those found in humans with the skin disease ichthyosis. The study also found similarities between Steller's sea cows and cetaceans in certain genes involved in energy metabolism.
A research team led by University of Adelaide found tangible evidence that Australian elapids arrived by sea rather than land. The study analyzed genomes of two Australian elapids and compared them to marine and semi-marine elapid sea snakes, finding similarities with marine life genes.
A recent study found that many marine invertebrates, including sponges and jellyfish, retain the same chromosomal structure as their primitive ancestors over 600 million years ago. This discovery underscores the conservatism of evolution and provides a key link between humans and our distant ancestors.
A comprehensive 'vertical map' of airborne microorganisms has been created, showing that temperature is the single most important factor influencing their composition. As global temperatures rise, this could lead to significant changes in the air microbiome, affecting human health and food security.
The first US peer-reviewed study on omicron patient outcomes found significant differences in infection behavior. Ominron patients are significantly younger, have increased vaccine breakthrough rates, and are less likely to be hospitalized compared to patients with alpha or delta variants.
A new genomics study has helped guide the development of vaccines against Shigella, a leading cause of severe diarrhoea in children. The research revealed the extent of genomic diversity among Shigella species, highlighting challenges to current vaccine approaches.
A new analysis links genetic variants associated with high blood levels of lipoprotein A to a higher risk of prostate cancer, including advanced or early-age-onset cases. The study found no significant associations for other blood lipids.
Researchers found that sunflowers with larger UV bullseyes retain water more efficiently in drier environments, suggesting a dual role for floral pigmentation in adaptation. The discovery may help increase crop yields and improve pollinator attraction.
A new cloud-based platform called AnVIL grants easy access to one of the world's largest genomics databases, providing thousands of analysis tools and over 300,000 genomes. Researchers can now collaborate effortlessly, without the need for massive data downloads, and make exciting new discoveries
A new study has identified 74 previously unknown genomic regions that influence how people's bodies break down food into energy. These findings could help develop more personalized ways to maintain a healthy weight by taking into account an individual's genetic profile.
A team of evolutionary biologists and botanists found that the spoonweed genus, which emerged as a cold specialist during the Ice Age, repeatedly adapted to rapidly alternating cold and warm periods. The researchers identified physiological adaptations to drought and salt stress that helped the plants develop high tolerance to cold.
The MDI Biological Laboratory has been awarded a grant to promote cloud computing among researchers in Maine, aiming to level the playing field by providing access to sophisticated computing resources. The program will provide training on Google Cloud Platform and assist institutions in implementing cloud computing services.
Researchers at the University of Missouri have developed a free online resource that speeds up data analysis of human genomes three times faster than current methods. This enables scientists to see how an individual's genome makes them susceptible to different diseases in different ways, ultimately reducing associated costs and increas...
The study used multigene sequencing to identify genomic alterations in patients with metastatic breast cancer. Patients with genomic alterations ranked as ESCAT I/II saw improved progression-free survival with targeted therapies matched to their genomic changes, while those without these alterations did not benefit from the treatment.
Despite making progress, genome sequencing of 1.66 million animal species remains incomplete, with vertebrates accounting for 54% of current sequences. Invertebrates, including insects and spiders, comprise only 34% despite representing 78.5% of all species.
A new study led by scientists at Mount Sinai highlights the role of rare genomic differences in obsessive-compulsive disorder (OCD) risk. The research found that about 10% of the risk for OCD is attributed to rare genomic variations, which were not seen in previous studies.
A new computer program called Codetta can analyze the genome sequences of over 250,000 bacteria and archaea to identify alternative genetic codes. This could help scientists understand how genetic codes evolve and change.
Researchers analyzed the genome of 300 individuals from 15 Mexican ethnic groups to understand their evolutionary histories and adaptability to global changes. The study found that Native Mexican peoples have biological characteristics influenced by their complex history, including susceptibility to certain diseases.
Researchers have established that the Pontic-Caspian steppes and northern Caucasus are the center of horse domestication in Eurasia. The study reveals that domesticated horses spread throughout Asia at the same time as spoke-wheeled chariots and Indo-Iranian languages.
A new AI-powered algorithm, GEM, has been developed to quickly identify genetic causes of serious disease in newborns. The technology leverages machine learning and natural language processing to analyze vast amounts of genomic data and clinical records, achieving an accuracy rate of 92% compared to existing tools.
Researchers developed an integrated framework combining single-cell and metagenomics to characterize microbes. The approach showed higher accuracy and precise binning, revealing more bacterial genera and intra-species diversity.
A new algorithm developed by Carnegie Mellon University researchers offers a powerful tool for illustrating genome folding in cell nuclei. The Higashi algorithm analyzes chromatin interactions using single-cell Hi-C technology, revealing detailed variations in genome organization from cell to cell.
A new list of 546 expert-curated pathogenic variants in 84 genes has been developed for use in next-generation sequencing (NGS) genetic testing. This curated resource addresses the complexities of large assays and provides a scalable solution for test developers and laboratories.
Researchers analyzed fecal metagenomic DNA sequencing data to see if specific donor strains correlated with successful treatment outcomes. They found no correlation between donor strains and response to anti-PD-1 therapy in melanoma patients.
Camille Goblet is conducting genomic analysis to strengthen zoo management and save the critically endangered black rhinoceros from extinction. The project will aid in establishing pedigree and understanding species' adaptability to different environments, informing strategies to conserve the species.
A UCL-led research team has discovered a new gene causing hypertrophic cardiomyopathy, an inherited heart condition. The study found that variants in the ALPK3 gene are responsible for 1-2% of adults with the condition, affecting approximately 1,250-2,500 people in the UK.
A medieval Spanish individual, known as the 'Segorbe Giant,' has been analyzed using ancient DNA. The research found that he had a mix of North African and local Spanish ancestry, suggesting a complex history of migration and intermixing. This study sheds light on a dark event in medieval Spain's past.
Scientists prove Meselson effect in ancient asexual species, showing survival without sexual reproduction is possible. The study of beetle mite Oppiella nova reveals genetic variance and adaptation through independent genome evolution.
A study by University of Utah biologists discovered a mutation in the ROR2 gene is linked to short beak length in domestic pigeons. This mutation also underlies the human disorder Robinow syndrome, which shares striking facial features with the pigeon phenotype.
Researchers analyzed genome sequences and mobile phone data to track Covid-19 spread in Bangladesh. A three-day window between lockdown announcements and enforcement led to increased infections as citizens traveled to other areas.
Despite 10,000 years of inbreeding, the kākāpō genome sequencing reveals that the species has lost potentially deleterious mutations and now carries fewer harmful mutations than extinct mainland populations. This finding suggests that natural selection may have facilitated genetic purging in small populations.
Researchers have uncovered thousands of new regulatory regions that control disease-linked genes, providing a significant step forward for genomics-driven precision medicine. This new resource, available worldwide, could help identify markers revealing which patients will benefit most from specific treatments.
Researchers have helped fill gaps in the rhino evolutionary family tree by analyzing genomes of living and extinct species, finding that African and Eurasian lineages separated 16 million years ago and that low genetic diversity is a natural state for rhinoceroses, not a consequence of recent population declines
A team of scientists led by Assistant Professor Lae-Hyeon Cho identified a single mutation in the gene that codes for cytidine triphosphate synthase (CTPS), an enzyme crucial for early endosperm development. The study showed that overexpressing CTPS in genetically modified rice plants results in a larger endosperm, opening up opportuni...
Scientists have developed a new live analysis system for plant stomata, allowing for rapid and affordable identification of desirable traits. This innovation has the potential to accelerate crop development for climate-resistance, addressing future food shortages.
An international team found the genetic basis for the seadragon's lack of teeth, leaf-like appendages and sex-determination gene. The research also showed that males care for fertilized eggs until they hatch.
Researchers at Rice University are developing novel computational approaches to track environmental microbiome dynamics over time, across species and after perturbations. The team will use biofilm-based 'species abundance networks' on scaffolds to observe how they form their own genome-exchange networks.
A new study published in Genome Biology found that the ability of gut bacteria to produce spores is associated with their adaptation to humans. Bacteria that can produce spores have larger genomes and are less abundant in the gut, while those that cannot have smaller genomes and are more adapted to human hosts.
Researchers have developed a new integrative genetic test, LYNX, that analyzes standard and novel molecular markers in common lymphoid neoplasms. The test provides accurate detection of mutations, identification of large genome-wide chromosomal aberrations, and assessment of immunoglobulin and T-cell receptor gene rearrangements.
Researchers identified six novel molecular subtypes of thymic epithelial tumors that are independent of World Health Organization histologic type. The study used genomic information from The Cancer Genome Atlas dataset and the IU-TAB-1 cell line, and found no association between WHO histologic subtype and molecular subtypes.
A study of 18 bat species in Switzerland revealed 39 different viral families, with 16 infecting vertebrates and potentially posing a risk to humans. A near-complete genome of an MERS-CoV-related virus was also identified, highlighting the need for continued monitoring of viruses carried by bats.