Articles tagged with Genetic Interaction
Chromosomes' characteristic shape is explained by self-organizing supramolecular structures formed by stacked layers of chromatin. The symmetry breaking due to different surface energies in telomeres and lateral surfaces justifies the elongated structure.
Researchers have created a technique called PIP-seq to map all interactions between RNA and proteins. The study identifies potential disease-causing genetic mutations in regions of RNAs where RNA-binding proteins bind, providing new insights into neurological diseases like Parkinson's. The data is publicly available online.
A study by UC San Diego researchers has mapped the complex genetic interactions underlying cellular response to UV radiation, revealing links between chromatin structure remodeling and efficient repair. The findings provide new insights into DNA damage caused by UV radiation and its role in skin cancer.
Researchers developed a new statistical model, NOIA, which showed increased power for detecting genetic effects and interactions in cutaneous melanoma. The study identified significant associated genes HERC2, MC1R, and CDKN2A, providing new insights into the influence of gene-gene interactions on melanoma risk.
Researchers developed a simple mechanical model to effectively explain DNA's double-stranded structure and elasticity at the nanoscale. The model shows how extreme conditions can cause DNA conformational changes, and its extension is used to study various phenomena such as sequence heterogeneity and protein-DNA interaction.
A study by USC scientists found that air pollution exposure amplifies the risk of developing autism spectrum disorder in children who carry a genetic variant associated with the disorder. The research, published in Epidemiology, suggests that gene-environment interactions play a significant role in autism risk.
A new study found that different trajectories of adolescent drinking are influenced by gene-parenting interactions, specifically the mu-opioid receptor (OPRM1) genotype and parental rule-setting. The study suggests that strict parental rules can prevent youth from drinking more alcohol.
A statistical model accounting for dozens of genes in combination and their interactions helps clarify the genetic factors involved in Crohn's disease. The model improves CD risk predictability by considering cumulative allele scores and genetic interactions.
A recent study found that a Mediterranean diet pattern can prevent stroke in individuals with a genetic variant associated with type 2 diabetes. The researchers discovered that adherence to the Mediterranean diet compensated for the increased risk of stroke in those with two copies of the gene variant, reducing their susceptibility.
Researchers at Michigan State University found that genetic background affects the outcomes of interactions between genetic mutations about 75 percent of the time. This discovery has huge implications for understanding how genes interact with each other, and may help explain why some people respond differently to treatments.
Researchers at Michigan State University have discovered that genetic mutations interact with an individual's genome background about 75% of the time, affecting disease outcomes. This finding has significant implications for understanding and treating diseases with a simple genetic basis, such as breast cancer.
Scientists found that lead exposure can trigger schizophrenia-like behaviors and brain structural changes in mice engineered with a human gene for the disease. The study suggests a synergistic effect between lead exposure and a genetic risk factor, opening avenues to better understand complex gene-environment interactions.
A study by an international team of researchers has found that a combination of cytomegalovirus infection in the mother and a specific gene variant in the child significantly increases the risk of schizophrenia. The risk is five times higher than usual, according to the research published in Molecular Psychiatry.
Researchers tracked 1085 male Israeli soldiers to identify predictors of post-traumatic stress disorder (PTSD) symptoms. Soldiers with pre-deployment threat vigilance and an emotion-related gene were more likely to develop PTSD, with a faster reaction time indicating increased threat vigilance.
Researchers at Indiana University have discovered a rare genetic interaction between mitochondrial and nuclear DNA that reduces reproductive fitness and delays development in fruit flies. This finding has important implications for understanding genetically complex human diseases, such as neuromuscular and neurodegenerative disorders.
Researchers created a new method to analyze molecular interactions by leveraging hypergraphs to represent complex connections among molecules. The approach resolves limitations of traditional graph-based models, enabling more accurate discovery of interaction patterns.
A study published in Cell Reports found that the position of a gene within chromatin affects its expression, contradicting the concept of a singular 'histone code'. The researchers inserted the same gene into 90 different locations in yeast chromosome and discovered significant differences in gene activity.
Biologists at Brookhaven National Laboratory have discovered a new mechanism that may alter our understanding of molecular interactions. The team found that two proteins from the human adenovirus use DNA as an efficient form of transportation to find and interact with other proteins, using a molecular sled-like structure.
Researchers at EPFL and University of Geneva create k-MITOMI, a microfluidic device that measures up to 768 biomolecular interactions simultaneously. The device accelerates the acquisition of protein-protein and protein-DNA interaction information, crucial for understanding living organisms.
23andMe is opening its API to third-party developers, enabling them to create new web-based interactive tools using the company's DNA data. Approved developers will receive an authentication key to access the platform.
A recent study found that over 30% of college applicants couldn't report their weight accurately, with men being more likely to underestimate their weight than women. Identifying weight problems early on is crucial for preventing health issues like heart disease and diabetes.
A new review suggests that taking selenium supplements can increase the risk of developing type-2 diabetes in people who already have enough selenium in their diet. The study found that a large proportion of the US population has adequate selenium levels, making supplementation potentially harmful.
Researchers at the Genome Institute of Singapore have made a groundbreaking discovery by mapping the human genome's three-dimensional structure, revealing how genes interact and influence each other. This study sheds light on the complex regulation of gene expression and its implications for understanding human diseases.
A new study reveals that fruit fly aggression is correlated with smaller brain parts and involves complex interactions between networks of important genes. The findings also show that certain portions of the fly brain affected by hyper-aggressive flies, and that calming did not necessarily come through chemistry.
A new method developed by researchers at the University of California, San Diego School of Medicine has revealed functional gene networks in a live organism. The technique allows for the prediction of gene functions and could be useful for understanding human disease.
A study published in the Proceedings of the National Academy of Sciences has identified a novel gene, AUTS2, associated with differences in alcohol consumption. The research team analyzed data from over 48,000 individuals and found that this gene contributes to individual variations in drinking patterns.
A Texas A&M study shows that genes are activated in fruit flies when they interact with the opposite sex, affecting physiology and behavior. This discovery may lead to insights into disorders such as autism and has significant implications for understanding human social interactions.
A study of over 2,100 individuals with multiple sclerosis found that women were 1.4 times more likely to carry the HLA gene variant associated with MS than men. The researchers also discovered that women with this gene variant were more likely to pass it on to other women in their families.
A study by Washington University School of Medicine reveals that genes alone do not predict disease risk, as environment interacts with DNA in complex ways. The research found that genetic variants have different effects in different environments, making it challenging to make accurate predictions.
Research highlights the importance of gene-environment interactions in understanding psychosis development. Environmental factors such as urbanicity, migration, and cannabis use have been shown to increase risk, while genetic vulnerability plays a role in making individuals more susceptible.
Researchers have created comprehensive genetic interaction maps for mammalian cells, revealing which genes work together and their roles in disease. The study, published in Genome Research, offers valuable information for research and potential therapeutic targets.
Researchers found a positive association between mold exposure and severe asthma exacerbations requiring hospitalization in individuals with specific chitinase gene variants. High levels of fungus were also linked to increased risk of severe asthma attacks among people with certain genetic markers.
Researchers found that Cdk5rap2 and pericentrin work together to regulate neural growth in the developing brain. Loss of these proteins leads to genetic disorders characterized by abnormally small head circumference. The study may offer insight into human evolution and provide potential treatments for related diseases.
Researchers at UCLA found a biochemical link between misery and death, as well as a genetic variation that blocks this link. They discovered that individuals with the rare IL6 gene variant were less susceptible to death due to inflammation-related mortality causes under adverse social-environmental conditions.
Researchers developed a novel computational model to identify genetic interactions using high-dimensional morphological data from single-cell images. The method was demonstrated in fruit flies, where it accurately inferred Rho-signaling network interactions more precisely than previous approaches.
Researchers from PNNL have developed a DNA-graphene nanostructure that can detect diseases, toxins, and pathogens. The biosensor has potential applications in cancer diagnosis, food safety, and biodefense due to its stability and high sensitivity.
Interaction between education and a polymorphism of the reward gene contribute to severe alcoholism among Mexican Americans. Researchers found that individuals with less than or up to 12 years of education are at high risk for severe alcoholism when combined with the OPRM1 A/A genotype.
Scientists have identified 10 genetic variants linked to an elevated risk of arrhythmias and sudden cardiac death (SCD). These variants influence heart repolarization and raise or lower the risk of cardiac arrhythmias, with a prolonged QT interval increasing the risk up to five-fold.
Researchers discovered that just four genetic variants in three yeast genes account for nearly 90% of the genetic contribution to sporulation efficiency. The findings suggest that transcription factors may harbor significant variations and point to the need for better statistical models and tools to understand genetic interactions.
The University of Texas Health Science Center at Houston has received a $2.5 million award to train investigators in gene-environment interaction, a pioneering area of genetic study. The program aims to discover why some people with known risk factors for disease get sick and others don't.
A study found that the genome in people who have committed suicide as a result of major depression was being chemically modified, with nearly ten times the rate of methylation compared to control groups. This modification involved genes regulating behavior and neurotransmitter receptors.
Researchers found a critical genetic link between human taste differences and nicotine dependence using an innovative method to analyze multiple genetic factors. The study identified two interacting genes related to bitter taste sensitivity as playing an important role in developing nicotine dependence.
DNA's photostability is influenced by its base sequences, with different combinations exhibiting varying fluorescence lifetimes. This discovery could lead to new diagnostic methods and potentially repair gene mutations using laser radiation.
Researchers at Texas A&M University have developed a novel method called GIANT-Coli to study genetic interactions in E. coli, allowing rapid and large-scale studies of the bacterium's genes. This method has great potential to quicken the discovery of new gene functions, with potential applications in medicine.
A USC study found that genetic variants of FTO and Arachidonate 5-Lipoxygenase (5-LO) are associated with higher triglyceride levels and lower HDL cholesterol in Mexican-American participants. The study suggests that these genetic interactions may play a vital role in the development of disease, particularly diabetes.
A new study published in PLoS Biology shows that gene-environment interactions play a crucial role in determining thousands of traits in yeast, with the environment having a bigger effect on regulated genes than direct mechanisms. The research reveals intriguing interactions between genetic and environmental factors.
Research found that variations in the FKBP5 gene, related to stress response, predict higher risk of posttraumatic stress disorder symptoms in adults who experienced childhood abuse. Genetic variations interact with levels of child abuse and other trauma exposure to predict PTSD symptoms.
A recent study by Gerald Haeffel and colleagues found that genetic and environmental factors interact to increase the risk of depression in adolescents. The researchers discovered that boys with rejecting mothers and a specific form of the dopamine transporter gene were at higher risk for major depression and suicidal ideation.
A study found that genes involved in neurovascular function, regulated by hypoxia, and interacted with serious obstetric complications to boost schizophrenia risk. The study used a family-based design and identified four significant gene-environment interactions.
Researchers found that males' simpler genetic architecture enables them to evolve faster and more efficiently in response to sexual selection. This is because males have only one X chromosome, making their inheritance pathway less complicated compared to females, who have two X chromosomes with interacting genes.
Research suggests that genetic factors significantly influence human brain structure and intelligence, particularly in regions involved in attention, language, and visual processing. Heritability estimates range from 70-90% for gray matter volume and 40-69% for the hippocampus.
A new technique called back-scattering interferometry (BSI) measures the strength of interactions between free-floating biological molecules. BSI is sensitive enough to detect protein folding and has potential cost advantages over current techniques.
Researchers have filmed the nanoscale interaction of an enzyme and a DNA strand from an attacking virus in real time. This breakthrough study provides a direct view of the molecular interactions between proteins and DNA, shedding light on fundamental biological processes.
Scientists at Einstein College of Medicine have discovered the secret behind people living to 100 or more: favorable “longevity” genes that protect against disease-causing genes. The novel method used by researchers could lead to new drugs to protect against age-related diseases, including cardiovascular disease and diabetes.
A review of 77 articles found that most claims of sex-related genetic differences in disease associations are insufficiently documented and validated. Only one out of 60 seemingly well-documented claims was consistently replicated in other studies.
Researchers at Harvard University identified the genetic changes responsible for lighter fur coloration in beach mice, which helps camouflage them from predators. The discovery sheds light on how specific gene interactions can influence an organism's appearance and survival.
A large-scale reverse genetic screen has identified complex haploinsufficient interactions in S. cerevisiae, revealing a significant number of genes that interact with actin.
New research by Brown University biologists debunks the notion of separate genes controlling sexual behavior and physical body differences. Doublesex gene plays a crucial role in regulating both male and female courtship behaviors, acting together with fruitless to establish wing-shaking come-ons and flirtatious flights.
Researchers investigated the impact of two copies of the G2019S Parkinson's gene mutation on disease severity. They found no observable differences in symptoms, age of onset, or life expectancy between those with two copies and those with only one copy.
Researchers analyzed the mechanism controlling body size in Manduca sexta and found that it is influenced by genetic and environmental factors. The study suggests that a balance between growth rate and developmental time determines optimal body size.