Articles tagged with Genetic Mapping
Researchers investigate whether genes increasing heat tolerance also reduce cold tolerance in animals. Ostriches, with their extreme temperature variations in the wild, are an ideal model for studying this phenomenon. The study aims to understand how life stages influence adaptation to temperature fluctuations.
Researchers have developed a tool that maps breast cancer growth and highlights the role of surrounding cells in controlling disease spread. The new technology provides insights into cancer evolution, genetics, and environmental interactions.
Researchers found that metformin targeted 30 genes associated with atrial fibrillation, showing direct effects on gene expression for eight. The study suggests metformin may be a promising candidate for treating atrial fibrillation due to its potential to reduce the risk of complications such as stroke and heart failure.
NIH scientists mapped the organization of human retinal cell chromatin, revealing insights into regulation of gene expression and retinal function. The study identified distinct patterns of interaction at retinal genes suggesting how chromatin's 3D organization plays a crucial role in tissue-specific gene regulation.
Researchers from Children's Hospital of Philadelphia used advanced mapping techniques to identify causal genes and target pairings in the pancreas linked to type 2 diabetes. The study revealed alpha and acinar cells play a greater role in disease development than previously thought.
Researchers genetically mapped one of the oldest human parasites, the whipworm, using stool samples from Viking latrines. The study reveals a delicate relationship between humans and the parasite, which can make us healthier or ill, and provides new knowledge on its development and prehistoric dispersal.
Researchers sequenced 2,574 pediatric ALL patient samples, identifying 376 significantly mutated genes that potentially drive cancer development. The study provides a foundational guide for physicians and scientists to understand disease development and improve treatment outcomes.
Researchers have identified genetic signatures explaining ethnic differences in prostate cancer severity, particularly in African men. The study found a new prostate cancer taxonomy and cancer drivers that predict life-threatening cancers, providing a critical key to understanding the disease.
A new study from Lund University reveals that PCA, a widely used statistical method in population genetics, is deeply flawed. The method can produce flexible and unreliable results, leading to misconceptions about ethnicity and genetic relationships.
Researchers have identified nearly 8,000 short RNA sequences that code for microproteins and peptides, opening new avenues for disease research and drug development. The technique used to discover these sequences provides a comprehensive map of human smORFs, highlighting overlooked functional components of the genome.
Researchers have constructed a comprehensive map of CLL genetic changes, providing a better understanding of the complex malignancy. The study identifies key genes and subtypes with distinct prognoses, paving the way for more accurate diagnoses and personalized treatments.
A new study published in the Journal of the American Heart Association found that adopting a healthy cardiovascular lifestyle can significantly lower the risk of stroke, even for people at high genetic risk. The study used data from over 11,500 adults and estimated lifetime stroke risk based on polygenic risk scores.
Researchers have created a new mouse model that mimics brain damage caused by severe RVFV infection, enabling the study of disease mechanisms and high-throughput testing of next-generation drugs. This breakthrough has significant implications for developing therapies and vaccines for this devastating virus.
Researchers created a detailed map of how immune genes function together, shedding light on the basic drivers of immune cell function and immune diseases. The study found interconnected regulatory networks that can help explain why mutations in different genes lead to the same disease or how drugs impact multiple immune proteins.
A study found that COVID-19 disrupted RSV's seasonal pattern, leading to a 'collapse' of existing strains and emergence of new ones. The pandemic also accelerated the spread and evolution of other viruses like influenza.
A study by Kyushu University researchers has analyzed the development and genetic profile of a set of cells that construct the brain's immune system. The findings reveal that meningeal macrophages develop in the same way as other microglia, but perivascular macrophages originate from meningeal macrophages after birth.
Scientists created a comprehensive map of cells across multiple human tissues, revealing new insights into the cellular and genetic underpinnings of complex diseases. The study's findings have the potential to improve our understanding of disease risk and develop more targeted therapies.
Whole genome sequences of ancient Uruguayan Indigenous people provide a genetic snapshot of populations before European military campaigns decimated them. The results support the theory of separate migrations into South America, contradicting the idea of a single Native American race across North and South America.
Researchers have mapped the connections between DNA and blood proteins in two large populations, providing insights into disease causes and potential treatment targets. The study's findings could shed light on health disparities and help develop new therapies.
A large-scale international study, led by Tel Aviv University's Dr. Omri Bronstein, found that many species of echinoids, including sea urchins, survived a mass extinction event 50 million years earlier than thought. The findings suggest that estimates of evolutionary timelines may err by tens of millions of years.
A study found that small genetic variations impact an organism's ability to utilize energy from various nutrients. Researchers identified several genes contributing to sugar tolerance in fruit flies, which are also present in humans and linked to obesity and type 2 diabetes.
A gene map predicted the likelihood of high blood pressure leading to heart problems or stroke in people with Type 2 diabetes. The study identified a genetic risk score that correlated with increased cardiovascular event risk, highlighting the potential for personalized treatment strategies.
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.
Researchers are combining optogenetics and fMRI to study the links between brain activity and behavior. This hybrid approach allows for targeted manipulation and monitoring of brain function in awake and behaving rodents, providing valuable insights into neural mechanisms.
Scientists have deciphered the helmeted honeyeater's genome and created a genetic map to guide advanced genetic rescue methods. The new tools allow for precise breeding decisions, reducing inbreeding and its negative impact on population health.
A team of researchers identified a stem rust resistance gene from wild goat grass species Aegilops sharonensis, which can be cross-bred into wheat for immunity against deadly crop pathogens. The genetic potential of this hardy relative has been largely unexplored and holds promise for reducing the threat of the stem rust disease.
A new mathematical framework has been created to study fitness landscapes of regulatory DNA, enabling the prediction of gene expression changes. The framework uses a neural network model trained on millions of experimental measurements to decipher the evolutionary past and future of non-coding sequences.
A global collaboration has discovered 16 new genetic variants associated with severe Covid-19, including those related to blood clotting and immune response. The findings will guide future research into potential new therapies and diagnostics.
Researchers from the University of Oxford's Big Data Institute have created a single genealogy tracing the ancestry of all humans, combining genome sequences from eight databases and 3,609 individual genomes. The study successfully recaptured key events in human evolutionary history, including migration out of Africa.
A team of scientists has identified hundreds of new genomic loci associated with brain structure, shedding light on how the human brain is shaped. The study used genetically informed brain atlases to uncover the largest number of genetic variants linked to cortex size and thickness.
Researchers have identified a previously unknown gene, goldentouch, responsible for the golden coloration in Midas cichlids. The gene, found on chromosome 11, is present in two variants: one associated with dark coloration and the other with orange/yellow coloration.
Researchers genetically mapped the cell types of the mouse iris, revealing four new cell types and mapping genetic changes that occur when the iris dilates. This research may help connect genetic similarities between mice and humans, offering clues for developing new diagnostic tests and treatments for eye diseases.
A large study comparing the brains of left-handers and right-handers found significant differences in brain asymmetry across ten regions. The research also discovered a link between genetic influences on handedness and brain asymmetries in language-related regions.
A new multiplex network developed by Jörg Menche's research group maps all genes and their interactions, improving the identification of genetic defects and assessing their consequences. The network increases the probability of finding the crucial gene aberration threefold compared to separate networks.
A new study identified thousands of protein connections to various human diseases, suggesting a common origin in the genome. This approach linked genetic variations to specific proteins, providing insights into disease mechanisms and potential treatment strategies.
Researchers used functional genomics to identify key genes involved in inducing callus from immature maize embryos, overcoming a major roadblock in plant breeding. The study found that nearly 30% of predicted A188 genes were structurally different from other maize lines, accounting for high protein divergence and phenotypic variations.
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
Research at Washington University in St. Louis reveals that white clover's chemical defense against insect pests comes from both of its parental species, not just one as previously thought. The plant's ecological success can be attributed to this cyanogenesis process.
Researchers identify gene regions responsible for non-target-site herbicide resistance in waterhemp, a key step towards early detection and management tools. By analyzing the genome of waterhemp, scientists have narrowed down the genetic regions controlling resistance to two areas, paving the way for further studies.
Researchers at the University of Pennsylvania School of Medicine have identified 182 genes likely responsible for kidney function and 88 genes for hypertension. The study provides a clearer picture of the genetic underpinnings of chronic kidney disease, paving the way for potential treatments.
Researchers at Florida State University have developed a technique called MOA-seq to map DNA sequences in maize, allowing them to identify regulatory switches that control gene expression. This knowledge could lead to healthier plants, higher nutrient content, and better growth resistance, ultimately improving crop yields.
A new collection of corn genomes provides a detailed understanding of the genetic diversity and adaptability of corn plants. Researchers have mapped the first corn genome in 2009 and filled in gaps since, revealing how the corn genome was shuffled over time.
Researchers have identified a new generation of anti-cancer drugs that target aggressive childhood brain tumors. The genetic map of these tumours has helped predict the effectiveness of existing drugs, including Ixabepilone, in treating medulloblastoma.
By mapping the genetic underpinnings of type 1 diabetes, researchers have identified a predictive causal role for specific cell types, including pancreatic exocrine cells. This study provides a major leap in understanding the causes of type 1 diabetes and may lead to new treatments for reversing its course.
A recent study by McGill University researchers has mapped gene signatures to functional processes across the human brain, revealing key insights into cognitive and affective processes. The findings suggest that specific genetic signals are linked to attention and memory, while others are associated with emotions and fear.
Scientists have created highly detailed 3D models of chromosomes for individual cells using a computational technique that uncovers spatial relationships between genes. These models provide valuable insights into how genes work together to drive biological processes, such as development and cell differentiation.
Researchers at La Jolla Institute for Immunology created 3D maps of how enhancer sequences and genes interact in several types of immune cells. The new study opens the door to understanding individual risk for diseases from asthma to cancer.
Researchers from UCI School of Medicine evaluate anterograde and retrograde viral tracers for neural circuit analysis, providing guidance on experimental uses. The primer aims to advance the study of neural circuits using animal models to define mechanisms underlying neurodevelopmental and neuropsychiatric disorders.
Scientists created a detailed map of breast cancer, showing how genetic changes affect the physical tumour landscape. This technique could provide doctors with an unparalleled wealth of information about each patient's tumour upon diagnosis.
A recent study by Dr. Mark Chapman optimizes protocols for identifying simple sequence repeats (SSRs) in genomic and transcriptomic data, increasing efficiency in microsatellite discovery. The research found that small assemblies of two million read pairs can generate sufficient markers for basic population genetic studies.
Research in mice found that environmental enrichment can partially correct mis-mapped neurons in the visual pathway, leading to vision issues in adulthood. Mice raised in enriched environments showed less mapping errors than those in standard cages.
A new genetic mapping system for polyploid species has been developed in Brazil, allowing researchers to analyze the genes of complex organisms like sugarcane, kiwi, and blueberry. The open-source software package, MAPpoly, can be downloaded free of charge and has already been adopted by researchers at seven institutions worldwide.
Researchers in New Zealand have developed a comprehensive map of white clover heritage and genetic landscape, providing a valuable resource for breeders. The 'pedigree map' reveals the history of the species, including its origins and genetic makeup, enabling more informed breeding decisions.
A comprehensive genetic map reveals Scotland is divided into six clusters, mirroring ancient kingdoms such as Strathclyde and Pictland. This analysis could aid the discovery of rare DNA differences related to human disease.
Researchers create a genetic map of three vegetables, revealing new insights into their origins and potential for improvement. By tracing the evolutionary history of canola, rutabaga, and Siberian kale, scientists identify genes that could lead to more nutritious and resilient crops.
Researchers at the University of Illinois have identified two new Miscanthus cultivars, 'Nagara' and '10UI-032.004', with improved winter hardiness, making them suitable for northern growers. These hybrids showed better survival rates and biomass yields compared to other cultivars in cold winters.
A team of researchers has discovered genetic associations with blood pressure that could guide future treatments for patients with hypertension. Over 250 new genetic variants and 400 new genes associated with blood pressure were identified, suggesting existing drugs may be used to lower blood pressure.
Scientists at deCODE genetics in Iceland have published the first genetic map of the human genome developed using whole-genome sequence data. The study reveals that recombination and de novo mutation are linked mechanisms generating human diversity.
Researchers mapped bee colonies' entire genetic make-up to identify emerging diseases threatening native populations. The study found that native bees may survive better in cooler climates than southern European relatives.