Articles tagged with Genomic Regions
A recent study has identified nearly half of the fastest-evolving human genes as playing a crucial role in rewriting the course of human brain development. The research used an innovative approach called CaptureMPRA to analyze the function of Human Accelerated Regions (HARs) in regulating gene expression in the brain.
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 Baylor College of Medicine developed a machine learning algorithm that analyzes DNA methylation patterns in blood samples to identify individuals with schizophrenia. The study achieved an 80% accuracy rate and identified epigenetic markers that differ between people diagnosed with the condition and those without it.
Researchers have identified a new force in DNA that shapes genomes, revealing how transcription indirectly impacts genome organization. This discovery may hold future implications for understanding genetic diseases and developmental disorders.
Researchers discovered that Wolbachia's growth affects its cost for the host and its transmission efficiency. The team found that protection against viruses depends on the amount of Wolbachia at the moment of infection, while longevity relates to its speed of growth in adult hosts.
Researchers identified regulatory variants near the GDF5 gene associated with knee osteoarthritis and hip dysplasia. The study found two distinct mutations that can cause both diseases, paving the way for potential screenings and treatments.
Research finds that unusual DNA structures, called G-quadruplexes (G4s), are preserved by natural selection and play a role in gene expression and cellular processes. G4s are more common and stable in regions with important functions, suggesting they should be considered functional elements of the genome.
A large-scale ethnically diverse genetic study has identified more regions of the genome linked to blood glucose and insulin levels, contributing to type 2 diabetes risk. The study found that including different multi-ethnic participants yields more and better results than conducting research in Europeans alone.
Research collaboration at Kumamoto University has revealed DNA methylation status in frontal lobes of BD patients, revealing altered gene transcriptional regulatory regions. Many genes were found to be hypomethylated in neurons, while those important for psychiatric and neurological functions were hypermethylated.
A recent review in Genome Biology and Evolution discusses the evolutionary fates of supergenes, revealing new findings that challenge classical models. The genomic architecture of a supergene is inextricably tied to its evolutionary fate, with empirical studies yielding surprises about their origin and genetic architecture.
A large-scale genetic study has identified more genomic regions linked to type 2 diabetes-related traits by including multi-ethnic participants. The research, published in Nature Genetics, found that expanding the scope of genetic studies to different ancestries yields better results and benefits global patient care.
A global collaboration involving The Lundquist Institute has discovered 24 additional genome-wide loci linked to glycaemic traits in diverse populations. This expansion of genomic research has led to more accurate diagnoses and better treatment options for type 2 diabetes.
A global collaboration has identified 24 new loci linked to glycemic traits, improving our understanding of type 2 diabetes and its impact on different ancestries. This study highlights the importance of including diverse populations in genetic research, yielding better results and enabling more precise diagnosis and treatment.
A study published in Nature Genetics found 64 genome regions associated with an increased risk of bipolar disorder, providing new insights into the condition's underlying biology. The research also highlights potential therapeutic targets for future treatments.
A recent study found that environmental enrichment leads to specific epigenetic changes in the mouse brain, activating a minority of genes involved in cognition and mental health. These changes may inform future research on therapies for mental health disorders.
Researchers have unraveled the mystery of dinoflagellate genomic architecture, revealing a unique packaging of DNA that differs from other eukaryotes. The study's findings have implications for understanding genomic organizational principles in all organisms, particularly in coral reef health.
A new study reveals that errors in chromosome packing may cause B-cell blood cancers. Researchers identified a critical protein called DIS3 that maintains genomic architecture and prevents cancer. The findings could lead to new biomarkers and therapies targeting genome instability.
Researchers report the goldfish genome sequence, identifying regions subjected to strong artificial selection for aesthetic features. The analysis sheds light on the evolutionary origin and domestication history of goldfish, providing a model for examining natural mutations and artificial selection.
The study reveals changes in hearing genes that contribute to echolocation, expansions of anti-viral genes, and loss of inflammation genes in bats. The high-quality bat genomes provide a genomic record of historical tolerance to viral infection and may hold the key to alleviating human ageing and disease.
A new study has narrowed down the region of the genome that drives the black color in warblers by studying hybrid offspring. The hybrids have a mix of coloration from the parent species, allowing researchers to identify which regions of the genome are associated with which color patterns.
Researchers at Gladstone Institutes and UCSF have developed a comprehensive region-specific atlas of regulatory regions linked to human embryonic brain development. The study identified 19,000 potential genetic variants critical to brain development, providing a valuable tool for probing underlying biology of neurodevelopmental disorders.
Researchers identified a specific non-coding genomic region essential for proper development of male and female reproductive organs in rice. The discovery highlights the importance of non-coding RNAs in plant reproduction and could lead to increased productivity and stable yields of rice.
Research published in Nature Genetics found that the three-dimensional structure of the human genome is essential for a rapid and robust inflammatory response. The discovery sheds light on the fundamental relationship between genome folding and cell function, highlighting the importance of architectural proteins like CTCF.
A genomic region on chromosome 11 has been identified as associated with fearfulness in dogs, including large breeds like the Great Dane. The study's findings suggest that this region may play a role in both neural development and function, as well as anxiety.
A study published in BMC Biology suggests that northern and southern Italian populations diverged genetically as early as 19,000-12,000 years ago. The research found distinct genetic variants between individuals from different regions, with adaptations to climate-specific genes.
Researchers have identified a non-protein coding 'dark matter' region of the genome that affects immune responses, revealing a key genetic switch that helps keep the immune system in check. This study provides insight into complex autoimmune and allergic diseases such as inflammatory bowel disease and asthma.
A new bat coronavirus, RmYN02, discovered in Yunnan province, China, is closely related to SARS-CoV-2. The virus contains natural insertions at the spike protein's junction, similar to SARS-CoV-2, suggesting it evolved naturally.
Researchers have developed novel Cas9 variants that eliminate the need for a protospacer adjacent motif (PAM), allowing for genome-wide targeting with unprecedented accuracy. These variants, SpG and SpRY, can correct mutations in previously 'un-editable' regions of the genome, expanding the potential of CRISPR-Cas systems.
A global collaboration has identified over 300 genetic variants influencing cerebral cortex structure and its relationship with psychiatric disorders. The study provides a genetic roadmap for understanding how genes impact brain structure and neurological consequences.
A study on collared lemming genomic variation reveals high genetic diversity in West Beringia, suggesting this region acts as a refuge for cold-adapted species. Temperature changes during the last interglacial period may have driven northward expansion of forests, leading to habitat contraction.
A team of researchers has identified novel mechanisms of disease progression in the non-coding genome that could lead to better diagnostic tests and precision therapies. The study found evidence of new molecular mechanisms that may cause cancer and give rise to more-aggressive tumours.
Researchers identified a genomic region associated with Alba, a rare white color form in female butterflies, linked to alternative life history strategy and increased fecundity. The study reveals the genetic basis of Alba, a visual manifestation of resource reallocation away from colored pigments.
Researchers have discovered key mechanisms and structural details of how chromosomes reorganize themselves after cell division. The study reveals a dynamic hierarchical framework of sequence by which chromosomes rebuild themselves after mitosis, shedding light on the interplay between chromatin architecture and gene transcription.
A new method has been developed to analyze pathogenic DNA repeats in the human genome, revealing their role in genetic diseases such as Fragile X syndrome. The technique combines nanopore sequencing, stem cell culture, and CRISPR-Cas technologies to provide detailed insights into these previously inaccessible regions.
A study has identified a new mechanism by which pancreatic beta-cells respond to inflammatory environments, leading to the onset of Type 1 Diabetes. Researchers mapped approximately 3,600 non-coding DNA regions that activate in response to inflammation.
The study observed changes in A/B compartments of mouse embryonic stem cells, correlating with gene expression and replication timing changes. Chromosome conformation changes preceded gene expression changes, suggesting a physical mechanism for transcriptional regulation.
A non-coding region of the genome has been discovered to regulate the development of cancer in various types of tumors, including breast cancer and sarcomas. The RPSAP52 RNA molecule triggers cell proliferation and cancels differentiation, allowing tumor cells to multiply and spread.
Researchers have identified four genetic regions associated with left-handedness, which are linked to differences in brain structure in language-related regions. These findings suggest that left-handers may have an advantage in verbal tasks due to coordinated brain communication.
Researchers have mapped a previously uncharted region of the human genome that gives rise to various diseases. Using advanced imaging techniques, they discovered extreme variability in DNA sequences between individuals and populations, which may lead to genetic testing for parents before having children.
A study of over 165,000 US military veterans has identified multiple genetic locations associated with the risk of re-experiencing traumatic memories, a hallmark symptom of post-traumatic stress disorder. The research also found genetic overlap with conditions such as hypertension and psychiatric disorders.
Scientists have identified a unique fraction of the genome that can be used to predict epigenetic causes of disease. The 'treasure map' of correlated regions of systemic interindividual variation (CoRSIVs) comprises a previously unrecognized level of molecular individuality in humans, associated with diseases such as obesity and cancer.
Using stem cells from six people, researchers recreated retinal cells in the lab and found a specific genetic variation that contributes to AMD. The study suggests that reducing VEGFA expression may be a key factor in the development of AMD.
Researchers at Bar-Ilan University developed a computational tool to analyze genetic variations in immune system genes, revealing a rich pattern of deletions and duplications. This discovery sheds light on the critical importance of these genomic regions for understanding the immune system and predicting diseases.
A study by Universitat Autonoma de Barcelona identifies 873 new regions of the human genome as candidates for natural selection, increasing the total number of detected signals to date. These new regions provide valuable data to help answer questions about human origins and adaptations.
Researchers at Osaka University used large biobanks to fine-map the key immunity-related part of the genome, revealing significant associations with diseases and traits. The study found that single genes can influence multiple traits, a phenomenon known as pleiotropy.
Researchers identify overlapping genomic regions underlying canine fearfulness and human mental disorders, including anxiety and psychosis. The study suggests a hereditary link between the two conditions.
In a breakthrough discovery, researchers found that compacted regions along the genome increase at protein-coding genes in mouse embryos, leading to rapid 'decisions' about which genes should be made into proteins. This study provides new insights into how genes are controlled in early animal development.
The strain of cholera causing the current outbreak in Yemen was estimated to come from Eastern Africa and entered the country through human migration. Genomic data analysis has enabled researchers to estimate the risk of future outbreaks and inform targeted interventions.
Researchers confirm six genetically distinct tiger subspecies through genome-wide analysis of 32 tiger specimens, revealing unique features and evolutionary histories for each group. The findings provide robust evidence for subspecies delineation in tigers.
A recent international study has identified three regions in the genome with significant genetic differences between men and women for developing glioma. These differences vary by sex and type of tumor, suggesting a potential path to assessing patient risk for brain cancer through genetic tests.
Researchers at EPFL discovered that the circadian clock orchestrates gene expression by regulating chromatin structure, affecting protein synthesis and physiological processes. The study found that promoter-enhancer looping oscillates along the 24-hour cycle, controlled by the circadian clock.
A team of scientists at University of Utah Health uses animal genomes to identify regions that may control different diseases. They found elements linked to DNA repair, wing development and eye development in elephant, bat, dolphin and orca genomes, which could help in the study of cancer resistance and other health conditions.
Researchers have discovered 50 new gene regions increasing schizophrenia risk, including genes previously associated with intellectual disability and autism. These findings shed light on the disorder's complex genetics, suggesting subtle genetic variants can contribute to its development.
Researchers from Brown University have developed a new method, SWIF(r), to detect adaptive genetic mutations. The technique combines multiple statistical tests into a single machine-learning framework, allowing for more accurate identification of beneficial mutations and shedding light on the evolutionary history of populations.
A team of scientists developed an algorithm that accurately pinpoints mutations favored by natural selection, shedding light on the specific mutations responding to selection pressure. The iSAFE algorithm reliably identifies favored mutations in large genomic regions without needing function information or demographic data.
Researchers at the Centre for Genomic Regulation found that genome architecture influences gene expression during cell reprogramming. The study reveals that transcription factors promote chromatin changes before gene activation, suggesting a new role in controlling cell fate.
A new study reveals that DNA mismatch repair (MMR) preferentially protects genes from mutations, rather than non-genic regions of the genome. The research, led by Prof. Nicholas Harberd at the University of Oxford, has important implications for understanding cancer development and human health.
A recent study published in Nature Genetics reveals that the DNA error surveillance and repair system is more efficient in protein-coding exons than other genomic regions. This higher efficiency allows for better conservation of essential genetic sequences across species.
A recent study published in Systematic Biology reveals that piranhas and goldfish are more closely related to catfishes than previously thought. The researchers used ultraconserved elements to reconstruct a Tree of Life for Ostariophysi fishes, revealing surprising relationships among the Characiformes order.
A team of researchers has identified a region of the genome that regulates vitamin D activation in the kidneys, which could lead to new treatments for diseases involving vitamin D. The discovery also sheds light on the role of calcitriol in inflammatory diseases and its potential use as a treatment.