Articles tagged with Genomic Regions
A research group at Kyoto University has successfully developed a self-fertile buckwheat variety and a new type of the crop with a sticky texture. This breakthrough could contribute to the efficient breeding of less-common orphan crops, addressing the world's growing food demands.
Researchers have discovered a gene, B5, in Egyptian cotton that confers powerful resistance to bacterial blight. The gene enables strong resistance to the disease under Oklahoma field conditions and accumulates high amounts of defense chemicals.
A new study has created the world's largest map of normal breast tissue, highlighting 12 major cell types and 58 biological cell states. The atlas also identifies differences based on ethnicity, age, and menopause status, providing a powerful resource for researchers studying breast cancer and other diseases.
Researchers developed Genome Architecture Mapping (GAM) to study DNA interactions, revealing novel three-dimensional configurations that were invisible to Hi-C. This technique provides a more comprehensive understanding of genome organization and its impact on health and disease.
A recent study published in Nature challenges traditional views on human origins in Africa, proposing that modern humans emerged from the interaction of multiple populations across the continent. By analyzing genomic data from diverse African groups, researchers found evidence of gene flow and mixing over hundreds of thousands of years.
A new study reveals a unique founder population structure in Newfoundland and Labrador, tracing the ancestry of European settlers from South-East Ireland and South-West England. The analysis found multiple population bottlenecks and strong associations between Catholic background and Irish genetic ancestry.
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...
Researchers create high-resolution maps of the 3D genome, revealing interactions between enhancers and promoters that weren't previously seen. The findings suggest many genes interact with dozens of regulatory elements, opening possibilities for studying gene regulation and potentially understanding diseases.
A new approach, STING-seq, combines genetic association studies, gene editing, and single-cell sequencing to identify causal variants and genetic mechanisms for blood cell traits. This method can help scientists identify drug targets for diseases with a genetic basis.
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.
Large structural changes in human ancestors' genomes may have sparked smaller changes that set human brains apart from other primates. Researchers found that many enhancers, which regulate brain development, are located near these regions, suggesting a link between DNA folding and brain evolution.
A recent study published in JNCCN found that the lack of genomic research for people with African ancestry is hindering efforts to reduce disparities in prostate cancer outcomes. The researchers evaluated molecular genetic results for 113 Black South African men diagnosed with advanced prostate cancer, identifying 17 pathogenic and pot...
Researchers developed an AI model to analyze noncoding DNA mutations' impact on brain function and development, identifying potential causes of complex brain disorders like autism. The study sheds light on the origins of brain disorders and may lead to novel treatments.
Researchers have discovered that cocaine addiction is associated with faster brain aging, with changes in DNA methylation in the prefrontal cortex contributing to this effect. The study, which analyzed cryo-preserved brains of deceased male donors, found that cells in this region appeared biologically older in individuals with CUD.
Researchers at Rice University's Center for Theoretical Biological Physics discovered Aedes aegypti's chromosomes have a unique 'liquid crystal' structure, unlike other species. This finding may provide insights into the functioning of genomes and gene regulation.
Researchers have identified a molecular finger that switches on genes in one-cell embryos, revealing a potential link to cancer. The discovery sheds light on the mechanisms regulating embryonic development and may lead to new insights into cancer detection.
Researchers found that many changes to human DNA had opposing effects, with some variants making enhancers stronger while others made them weaker. This discovery has implications for understanding human evolution and the potential link between human DNA variations and psychiatric diseases.
A recent study discovered a legume locus that stimulates promiscuous interaction with soil bacteria, forming nitrogen-fixing nodules with up to 30 different rhizobial strains. This finding opens the door for crop improvement by naturally promoting plant growth through symbiotic associations.
Researchers compared genetic codes from 62 animals to uncover the story of human body hair loss. The study found that a set of genes and regulatory regions are essential for making hair, and suggests new ways to recover hair after balding or chemotherapy.
Research by Uppsala University and Swedish University of Agricultural Sciences links atopic dermatitis in dogs to specific genome regions. The study identifies genes coinciding with human atopic eczema, including the filaggrin gene region.
A new study has revealed the genetic basis of argonaut octopus characteristics, including its unusual eggcase structure and adaptations for a pelagic lifestyle. The smallest known cephalopod genome was found in Argonauta argo, with significant differences in Hox gene arrangements and reflectin and tyrosinase gene clusters.
A team at the University of Exeter has found genetic changes in a region that controls the activity of the genome, turning on or off genes, which led to the discovery of the cause of Congenital Hyperinsulinism. This breakthrough could unlock new causes of rare diseases and pave the way for improved treatments.
A study reveals that domesticated banana varieties contain traces of three unknown wild ancestors, which were likely hybrids between subspecies and may hold useful traits such as parthenocarpy. The researchers believe these 'mystery ancestors' might still be alive in the wild, particularly in regions including the Gulf of Thailand, Bor...
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Scientists have identified long interspersed nuclear element-1 (L1) RNA as a promising new target for treating progeroid syndromes. Increased L1 RNA expression in cells from patients with these disorders led to deactivation of an enzyme, causing cell aging.
Researchers have identified four genes in corn and Arabidopsis that regulate root growth in response to gravity, a trait essential for drought tolerance and efficient water use. The study's approach, leveraging genomic comparisons between distantly related species, has the potential to be applied to other traits.
Researchers identified 15 instances of mucinization, where new mucins emerged from non-mucin proteins by adding repeating sequences. This process transformed the proteins into mucins with gooey consistency, contributing to their various biological functions.
Mutations in EnhP disrupt a non-protein coding gene, causing pancreatic malformations and diabetes. The study sheds light on the hierarchical operation of enhancers in gene regulation.
A new study challenges a popular scenario explaining the origin of eukaryotes, suggesting that cells can grow to considerable volume without acquiring mitochondria. Researchers explore energy requirements and genome arrangement in prokaryotes and eukaryotes, revealing overlap between cell types rather than a hard boundary line.
Researchers at UNC School of Medicine have identified genes linked to cigarette smoking and drinking, revealing their association with other substances like cocaine. The study's computational tool, H-MAGMA, helps parse the complex genetics involved in substance abuse, providing a foundation for developing new treatments.
Quantitative disease resistance is a promising approach to combat plant diseases, which cause an estimated 13% loss of global crop yields annually. Researchers aim to identify disease resistance mechanisms for important corn diseases and develop genetic resources for the broader maize genetics community.
A new study using UK Biobank analyzed population genetics across Europe, grouping individuals by their shared genome segments. The research provides insights into historical patterns of population size and genetic isolation in European regions.
A new genome-editing strategy called DAP array can correct dozens of errors at the same time with high precision and efficiency, avoiding off-target edits. The technique leverages tRNA to drive multiple guide RNAs on a single array, then released individually by cells to direct genome editors for edits at multiple human genomic sites.
A study by UAB and University of Kent researchers found that the 3D structure of male germ cells plays a key role in determining genome evolution. Genome rearrangements were associated with DNA damage locations in spermatids, suggesting that males have a unique impact on genome evolution.
A team of researchers at UC Riverside has discovered that a protein complex called CAF-1 controls genome organization to maintain lineage fidelity in blood stem cells. The study found that CAF-1 keeps specific genomic sites compacted and inaccessible to transcription factors, ensuring the expression of lineage-specific genes.
A comprehensive genetic analysis of the native people in China's southwestern region reveals a more complex peopling and migration history than previously thought. The study found that all ethnic groups are genetically similar, suggesting a common ancestor, but with closer relationships to Tibetan Highlanders and southeast Asians.
Researchers from the Chinese Academy of Sciences have developed a method to overcome the tradeoff between rice yield component traits, including panicle number and size. By modifying the cis-regulatory region of the Ideal Plant Architecture 1 gene, they increased grain yield by 15.9% while maintaining tiller number.
A new study reveals a gene called KLF4 that normally suppresses tumor formation but is reprogrammed in acute promyelocytic leukemia, an aggressive type of blood cancer. Overexpressing KLF4 can suppress the growth of cancerous cells and reverse the effects of the disease.
A new study has shown that increasing genetic diversity can improve researchers' ability to identify important genetic markers for health conditions. The study, which analyzed data from over 470,000 Hispanic/Latino individuals, identified 42 previously unidentified regions of the human genome related to BMI, height, and waist-to-hip ra...
Scientists have identified a potential new antibiotic candidate from the rare soil microbe Lentzea flaviverrucosa. The discovery was made using genomics-based approaches and shows that this actinomycete produces two different bioactive molecules that are active against various types of cancer cells.
The completed human genome assembly has revealed new insights into human evolution and diseases. Researchers found that highly repetitive regions, including segmental duplications, contain genes critical for brain development and function. These findings shed light on the genetic factors that make humans distinct from other primates.
Scientists have successfully sequenced an entire human genome, filling in gaps that were previously unknown or difficult to read. The achievement marks a major breakthrough in understanding the complexities of human genetics and has the potential to reveal new insights into evolution, disease, and adaptation.
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.
The new T2T reference genome adds nearly 200 million base pairs of novel DNA sequences, including 99 genes likely to code for proteins. This completes the first truly complete sequence of a human genome, covering each chromosome from end to end with no gaps and unprecedented accuracy.
A multicenter study found mutations in the SARS-CoV-2 N protein associated with increased viral loads and severe disease symptoms. The changes enabled the virus to hijack host cell translation machinery, leading to a life-threatening cytokine storm.
The African BioGenome Project aims to sequence the genomes of Africa's endemic plants, animals, fungi, and protists. This will build resilience in breeding, sustainable food systems, and biodiversity conservation, aligning with the post-2020 Global Biodiversity Framework and the United Nations Sustainable Development Goals.
Researchers have identified a key gene that confers stripe rust resistance in bread wheat, providing hope for improving crop yields and ensuring global food security. The discovery was made possible by the assembly of the highest-quality genome to date for bread wheat using advanced DNA sequencing techniques.
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.
University of Illinois researchers found a key gene responsible for increasing soybean protein content by approximately 2%. The discovery could lead to significant increases in protein production, addressing global food security issues. However, the gene's function is unclear and may involve the plant's circadian machinery.
A team of researchers identified clusters of mutations in the genome that contribute to cancer progression in about 10% of human cancers. These clustered somatic mutations can be used to predict patient survival, with specific hotspots linked to better or worse outcomes for certain types of cancer.
A recent study has identified 29 new genetic variants associated with acne, providing potential new targets for treatment and helping clinicians identify individuals at high risk of severe disease. The research, involving over 20,000 individuals with acne, also found a link between genetic risk and disease severity.
A study published in Neuron suggests that oligodendrocytes and immune cells may play a crucial role in multiple sclerosis (MS) development. The research found that genetic mutations near immune genes can activate nearby genes in oligodendrocytes, potentially leading to misfunction and MS risk.
A team of researchers at Harvard's Wyss Institute and ETH Zurich have developed a computational approach to identify genomic safe harbors (GSHs) with high potential for safe insertion of therapeutic genes. The study validated two GSH sites in adoptive T cell therapies and in vivo gene therapies for skin diseases.
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.
Scientists have discovered recently evolved regions in the 'dark genome' that code for proteins associated with schizophrenia and bipolar disorder. These protein biomarkers could help distinguish between the two conditions and identify patients at risk of psychosis or suicide.
Researchers at JGI have developed a new protocol to study the effects of genetic variations on traits, using DNA affinity purification sequencing technology. The protocol allows for rapid capture of transcription factor binding locations in the genome, providing insights into gene regulation and function.
Researchers developed a viral panel that enables simultaneous testing for SARS-CoV-2 and common respiratory viruses, providing insight into coinfections and viral spread. The tool helps predict and mitigate future outbreaks by tracking novel viral variants and their patterns of spread.
A study by EPFL researchers reveals that CTCF sites within the HoxD cluster contribute to organizing genes into topologically associated domains, helping to organize developmental complexity. The dual function of CTCF binding sites varies depending on tissue type.
Researchers from Washington University in St. Louis uncovered why hybridization among brown anoles is rare in their native range but common in new geographic territories. The study highlights the importance of environmental degradation in facilitating hybridization, which can contribute to biodiversity declines.
Scientists discovered two distinct sardine populations in South Africa, one adapted to cool-temperate waters and the other to warmer subtropical conditions. The study suggests the Sardine Run may be a relic of spawning behavior dating back to the glacial period.