Articles tagged with Genetic Interaction
A new project will explore the defence mechanisms of bacterial cells to stop the spread of drug-resistant genes. The team, led by Professor Edze Westra, will use a range of methods to understand how bacteria defend against mobile genetic elements (MGEs) that contribute to antimicrobial resistance.
A new biomarker called SPRIGHTLY could distinguish between two aggressive types of brain tumors in children: Group 3 and Group 4 medulloblastomas. The biomarker is highly expressed in Group 4 medulloblastomas, which have a poorer prognosis.
Researchers are exploring ways to target and manipulate the human microbiome, with potential applications in treating diseases such as depression, obesity, and retinal disorders. The conference will feature presentations on innovative strategies and recent findings in modulating microbiota and microbial components.
Researchers used data from over 400,000 individuals to model genetic and environmental factors influencing common neuropsychiatric disorders. Gene-environment interactions accounted for a significant proportion of variability in some disorders, while others showed more substantial contributions.
A study reveals that an ADAR1 gene mutation activates ZBP1 protein, leading to programmed cell death and inflammatory responses. This causes damage to organs like the kidneys and liver in genetically modified mouse models.
A study found that pharmacogenomic testing can help providers avoid prescribing antidepressants with undesirable outcomes. The test, which analyzes genes related to drug metabolism, resulted in a significant improvement in depression symptoms compared to usual care.
The study reveals that TAD boundaries, insulating properties of which are based on the binding of protein CTCF, can vary in strength depending on individual site properties. This finding has implications for understanding genetic diseases and cancer.
Researchers have developed a new method to assess the three-dimensional structure of the human genome, revealing that groups of simultaneously interacting regulatory elements may affect gene expression. The study found that cooperative groupings of DNA elements occurred around genes associated with cell identity.
Researchers have pinpointed a molecular map that details the specific gene interactions controlling rice's heat tolerance. The study reveals a genetic module, dubbed thermotolerance 3 (TT3), which enhances rice's ability to withstand high temperatures and reduces yield loss caused by heat stress.
A recent study published in Aging-US reveals the crucial role of WRN in making choices between classical and alternative non-homologous end joining (NHEJ) DNA repair pathways. The research provides new insights into progeroid syndromes, such as Werner syndrome, and their connection to aging.
Research reveals pridopidine enhances autophagy in ALS model, reducing toxic protein aggregation and promoting neuronal health. The study supports pridopidine's potential as a treatment for neurodegenerative diseases like Huntington's disease and Alzheimer's.
A Kyoto University study shows that even though biodiversity increases with more interactions, mean interaction strength decreases. The interaction capacity hypothesis proposes that this weakening of interspecific interactions may be due to increased community diversity.
Chronic bacterial infections can lead to chronic inflammation and DNA damage, increasing CRC risk. Salmonella infections are particularly risky, as they impair immune responses and promote tumorigenesis.
A team of international researchers created digital models of disease interactions to identify key proteins and signaling cascades in seasonal allergies. They found that inhibiting PDGF-BB protein was more effective than existing treatments, suggesting a potential breakthrough in personalized medicine.
A recent study by Cornell scientists explores the relationship between human genetics and gut microbiome functions, identifying correlations between genetic variations and microbiome-associated traits. The research, led by Ilana Brito, uses a novel computational approach to model the distribution of functions and species within the hum...
A new study from MIT suggests that genome loops, which were believed to play a crucial role in controlling gene expression, are actually short-lived and fleeting. The researchers found that these loops only exist for about 3-6% of the time and last for only 10-30 minutes.
A recent study published in Genome Biology and Evolution found that ancient human remains from Bulgaria are more closely related to contemporary East Asians than Europeans. The researchers propose a scenario where an African population hub expanded into Europe and East Asia around 45,000 years ago, with the European representatives dec...
Researchers investigate how mushrooms improve gut health and provide a preventive buffer against disease in Western-style diets. The study aims to understand the role of Turicibacter in dietary obesity and gut health, as well as the potential benefits of incorporating oyster mushrooms into diet.
A recent study identified specific RNA biomarkers linked to gastrointestinal symptoms in children with autism. The findings could lead to the development of personalized treatments to ease the pain of these individuals. The research has implications for precision medicine, enabling healthcare providers to track medication effectiveness...
Researchers at Gladstone Institutes have developed a novel method for identifying genetic variants that are likely to play important roles in congenital heart disease. The study leverages interactions between proteins to pinpoint candidate genes, including GLYR1, which is involved in turning other genes on and off.
A study discovered that fungus Cyanodermella asteris synthesizes valuable compounds in plant Aster tataricus, influencing its growth. The interaction reveals a two-way dialogue between the microbe and host, with the fungus producing beneficial compounds while also being influenced by plant hormones.
A new meta-analysis of available literature on ALS disease has identified a group of seven environmental chemicals as correlates with increased risk of developing ALS. Exposure to these chemicals, including BMAA and heavy metals, may be contributing to the disease burden in certain regions.
A study published in Cell Reports reveals a set of critical gene interactions that are common across many cancers. By using network modeling, researchers have pinpointed functionally relevant gene networks that could offer new cancer therapies.
A study by Spanish researchers has deciphered the landscape of third-order interactions in cancer, revealing that many genes involved in cancer may require one or two hits depending on other mutations. This discovery opens the way to more precise genetic diagnosis and new therapeutic targets.
A special form of four-stranded DNA has been found to interact with the gene that causes Cockayne Syndrome when faulty. G-quadruplexes, which form knot-like structures in DNA, specifically bind to a protein called CSB, affecting its function and potentially leading to premature ageing.
A new computational tool allows precise prediction of protein interfaces for COVID-19 and human interactions. This breakthrough enables researchers to better understand virus development, identify high-risk populations, and develop targeted drugs.
Researchers at MIT discovered how molecular clusters in the nucleus interact with chromosomes, forming small, stable droplets that give the genome a gel-like structure. This interaction helps control gene expression and maintain stable interactions between distant regions of the genome.
A new study explores how plants respond differently to useful and harmful microbes, revealing that accessory chromosomes from fungal strains dictate these responses. Most plant genes are expressed similarly in response to both beneficial and pathogenic fungi, but with key differences occurring just 12 hours after interaction.
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.
Researchers at the University of Copenhagen have discovered that the BRCA2 gene requires a specific enzyme, PP2A-B56, to repair DNA damage. This finding may pave the way for more targeted treatment of cancer patients with certain mutations.
A more inclusive definition of infertility could help explain why current diagnostic tests frequently fail to find a reason for reproductive failure. This broader view may also open up novel opportunities for tailoring infertility treatments to each couple, considering the complex network of interacting male and female genes.
Salt stress alters legume responses to symbiotic rhizobacteria by modulating gene expression. Several genes with well-characterized functions in nodulation are highly induced under salt stress, making the plant hypersensitive to bacterial signals.
Researchers reveal stable phosphatidylglycerol-DNA complex formation with strong van der Waals and hydrophobic interactions. The complex's structural parameters are determined, providing insight into the differences between DNA-phospholipid interaction and fatty acid binding.
Researchers from Nara Institute of Science and Technology and Nanjing University discovered a small protein, KNUCKLES, that plays multiple roles in ensuring the correct timing of floral development. This discovery reveals a regulatory pathway where KNUCKLES supports the completion of floral meristem development within a short time window.
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.
Researchers identified a novel lncRNA, Teshl, which plays a crucial role in the development of Y-bearing sperm and regulates sex chromosome gene expression. The study provides new insights into sex ratio variations and suggests that genetics may be a key factor in human male infertility.
Researchers found that chlorpyrifos, a common pesticide, amplifies the effect of CHD8 gene mutations, leading to reduced protein levels in brain organoids. This study highlights the potential role of genetic and environmental interactions in autism spectrum disorder.
Researchers discover a previously unknown population of archaic hominin in Israel, exhibiting unique features between Neanderthals and modern humans. The findings suggest close cultural interactions and genetic admixture between different human lineages before 120,000 years ago.
A Rutgers study suggests that individuals with high sensation-seeking traits may be more susceptible to drug addiction due to a genetic predisposition. High-sensation-seeking rats showed stronger motivation for cocaine, making them more prone to developing addictive behavior.
A study by Toronto researchers found that Baker's yeast cells employ a consistent network of gene interactions to coordinate growth in response to various environments. The majority of genetic interactions remained present across different conditions, revealing the stability of the cellular genetic program.
Researchers have discovered an alternative way of organizing genes in coral symbiont dinoflagellates, with alternating unidirectional blocks and a 3D chromosome structure dependent on transcriptional activity. This unique genome organization challenges traditional understanding of eukaryotic genetics.
Scientists at MLU and IPB improve CRISPR/Cas9 to simultaneously knockout multiple genes in plants, overcoming previous limitations and enabling complex trait investigations. This approach allows for the study of gene interactions and redundancies, paving the way for more efficient research methods.
Researchers found that multiple genes and genetic variants are linked to flight performance in flies, with a central gene called pickpocket 23 regulating interactions. This study highlights the importance of genome-wide association studies in understanding complex traits like flight, which involve numerous genes.
A new conceptual model introduces the idea that genetics, environmental exposures and random cellular changes all contribute to aging patterns. The 'Tripartite Phenotype of Aging' aims to provide a more comprehensive understanding of how these factors interact to influence lifespan.
Researchers at Newcastle University are studying the role of genes in congenital heart defects to better understand their formation and development. By examining the pharyngeal endoderm tissue from mice, they hope to identify key genes involved in forming large blood vessels and prevent potential defects.
A new computational method has been developed to analyze genetic and environmental interactions influencing disease risk, including body mass index and diabetes. The study found that prioritizing a smaller number of genetic variants in the genome improves analysis efficiency.
Researchers at Gladstone Institutes and UCSF develop large-scale genetic approach to map protein complex structures in live cells. This breakthrough enables the collection of reliable and detailed structural data reflecting how proteins work in their normal environment.
A study has identified a genetic synergy that can cause cancer cell death, which can be replicated by a drug-like molecule and exploited for therapy. The findings suggest that FEN1, a gene involved in DNA replication and repair, has synthetic lethal interactions with BRCA-mutant cells.
Researchers used ChIA-PET to map associations between proteins and DNA in prostate cancer cells, discovering hubs of interacting enhancers that regulate gene expression. These findings may lead to novel treatments for the most common type of prostate cancer.
A new method called RADICL-seq has been developed to assess the role of long non-coding RNAs in regulating gene activity and chromatin structure. The technique allows for comprehensive mapping of RNA-chromatin interactions, providing important insights into how RNAs contribute to genome regulation.
Researchers at Université de Montreal tailored a PARP inhibitor to increase its capacity to kill cancer cells, resolving a long-standing puzzle over differences between effective treatments. The new design principles could also be applied to other diseases, such as cardiovascular disease and inflammation.
Researchers created H-MAGMA, a computational tool that links non-coding genetic variants to their target genes in brain disorders. The study found that genes associated with psychiatric disorders are typically expressed early in life, while neurodegenerative disorder-associated genes are expressed later.
Researchers developed a method to capture transient interactions of NLP7, a master transcription factor involved in nitrogen use in plants, showing that more than 50% of plant responses to nitrogen are controlled by these short-lived regulatory interactions.
Scientists developed RADICL-seq to map genome-wide RNA-chromatin interactions, identifying distinct patterns of genome occupancy for different classes of transcripts. The study highlights the role of transcription in establishing chromatin structure and suggests a new understanding of non-coding RNA's regulatory function.
In a study published in PLOS Genetics, researchers found that the NCBP2 gene acts as a key modifier, influencing the impact of other genes in a large genetic deletion. This suggests that neurodevelopmental disorders, such as schizophrenia and autism, result from complex interactions among multiple genes rather than individual genes.
A recent focus issue explores the cell biology of virus-host and virus-vector interactions to improve crop management. Research reveals insights into plasmodesmatal connections, cell-cell signaling, and biotechnological approaches for host resistance.
A new algorithm called OnTAD rapidly identifies and elucidates the functions of topologically associating domains (TADs), which are disrupted in diseases like cancer. The tool reveals increased gene expression in hierarchical TADs, associated with active epigenetic states.
A new method, called CNNC, uses convolutional neural networks to infer gene interactions from massive amounts of gene expression data. The approach outperforms existing methods at identifying disease-related genes and developmental pathways that might be targets for drugs.
Researchers from MIPT explored microRNA interactions with mRNA in two human cell lines, finding that microRNA does not strongly regulate all genes and its regulation potential does not directly depend on its expression level. The study also identified differences between microRNA interactions in the two cell lines.
A new machine learning method called SNIPER has successfully applied to nine cell lines, providing missing information for how DNA is organized in the cell nucleus. This enables scientists to study differences in spatial organization related to subcompartments across those lines.