Articles tagged with Viral Genes
Researchers at Bascom Palmer Eye Institute have developed a novel gene therapy to treat Leber Hereditary Optic Neuropathy (LHON), an inherited genetic defect that causes rapid vision loss. The treatment successfully replaces mutated genes with healthy ones, restoring visual function in experimental models.
A recent study found that dengue virus infection triggers changes in the activity of genes and functions of mosquito salivary glands, which may lead to greater virus transmission. The researchers also identified three salivary gland genes that modulate dengue virus infection and two olfactory genes that help control mosquito behavior.
Researchers found that dengue virus infection of mosquito salivary glands triggered genes involved in immune response, feeding behavior, and odor sensing. This may facilitate the spread of dengue fever to humans by making mosquitoes more efficient at finding and feeding on hosts.
A genetic finding has identified a human gene that influences how we respond to influenza infection. People carrying a particular variant of the IFITM3 gene are more likely to be hospitalized with severe flu symptoms than those with other variants.
A team of researchers from the University of Pittsburgh and international partners analyzed raw sewage for novel viruses using metagenomics, a new computational tool. They found 234 known viruses from 26 families, with most being previously undiscovered.
Researchers at Penn State discovered that a viral gene in gypsy moths manipulates their hormones to induce continuous eating and prevent molting, causing them to climb and die on treetops. This behavior enhances transmission of the virus to new hosts.
Researchers have identified a specific viral gene responsible for manipulating the behavior of infected European gypsy moth caterpillars, causing them to climb high into trees and die. This phenomenon, known as Wipfelkrankheit, offers a new insight into how viruses can influence host behavior.
Researchers have identified a protein used by Ebola virus to gain entry into cells and begin replicating, providing a new target for antiviral drugs. This discovery may lead to the development of more stable and effective treatments for Ebola hemorrhagic fever (EHF), currently caused by one of the deadliest known viruses affecting humans.
Researchers have identified a genetic mechanism that enables viruses to infect plants, causing diseases. By targeting the CHL1 gene, CMV and its satellite virus cause yellowing symptoms in plants by preventing chlorophyll production. This breakthrough allows for the development of altered plant varieties with resistant genes.
A team of researchers from Rockefeller University has carried out a comprehensive evaluation of the antiviral activity of interferon-induced factors, revealing unique subsets of genes that inhibit various viruses. The study found that specific combinations of genes can be more potent than individual ones in suppressing viral replication.
Researchers identified a gene that allows the Rubella virus to block cell death and created a mutant version that slows its spread. This discovery could lead to new tools for preventing rapid disease transmission if applicable to other viruses.
Researchers discovered a virus component, P19, that can introduce foreign genes into plants without harming them. This technology has potential applications in pharmaceutical development and biotechnology.
Researchers have discovered the world's largest marine virus, Cafeteria roenbergensis virus, which has a genome larger than some cellular organisms. This complex 'mimi-like' virus infects an ecologically important planktonic predator and challenges the traditional boundary between living and non-living entities.
A new study has found that the antiviral gene TRIM5 plays a crucial role in suppressing the transmission of primate immunodeficiency viruses, including HIV-1 and HIV-2. The researchers used rhesus macaques with different versions of the TRIM5 gene to demonstrate its ability to block cross-species transmission of SIVs.
Researchers have identified a single dominant gene from the Colorado germplasm line that provides resistance to wheat streak mosaic virus. The Wsm2 gene was mapped to chromosome 3B and can be used to track its presence in wheat breeding programs.
Researchers at University at Buffalo discover that wallabies and bats carry 'fossil' copies of filovirus genes, suggesting a genetic defense mechanism. This finding has important implications for developing human vaccines and understanding disease outbreaks.
Researchers found that a specific virus interacts with a mutation in the host's genes to trigger disease. In mice, exposure to a damaging chemical and infection with a viral strain caused symptoms similar to human Crohn's disease, suggesting viruses may be key to understanding complex diseases.
A study by University of Adelaide scientists has confirmed that a mutated OAS1 gene increases the vulnerability of horses to the West Nile virus. The findings suggest that genetic mechanisms play a similar role in humans and horses, highlighting the potential for screening valuable horses for the presence of the mutation.
Researchers use a virus-induced gene silencing approach to study the function of genes in plants' aging processes. They found that modifying genes involved in ethylene production can delay senescence in cut flowers and potted plants.
Researchers identified 158 human genes targeted by herpesvirus miRNAs, which regulate host gene expression and evade the immune system. The study provides insights into viral miRNA functions and suggests potential targets for innovative antiviral agents.
Researchers used population genetics approaches to identify gene variants that increase or decrease susceptibility to viral infections, finding 139 human genes with this effect. The study suggests these variants could be targeted for novel therapeutic approaches and vaccines.
Researchers at Helmholtz Munich identify the BZLF1 protein as a crucial factor in EBV's life cycle, enabling viral activation and gene expression. The study reveals a novel mechanism for virus detection and reactivation, providing insights into EBV's role in tumor growth.
USGS scientists identify Northern Pintail birds with genetic variations closely related to Eurasian influenza viruses, highlighting the need for targeted surveillance efforts. The study proposes refining priority species lists based on genetic analysis to reduce time and effort in surveillance sampling.
Researchers discovered that H1N1 virus retained the bird version of the polymerase but had an additional mutation that allowed it to function in human cells. This new combination increased the virus's efficiency in human cells and could potentially lead to increased virulence and pathogenicity.
A new rabies vaccine has shown to induce a rapid and efficient immune response in mice and non-human primates, potentially reducing the six-shot post-exposure regimen to just one inoculation. The experimental vaccine lacks a key gene called the matrix (M) gene, inhibiting the virus from completing its life cycle.
Researchers found that Sulfolobus islandicus populations are more diverse than thought, with variable genomes evolving rapidly and adapting to local environments. The findings suggest a limited genetic reservoir stored in viruses and other elements, contradicting the idea of a universal gene pool.
Researchers have identified 116 host factors essential for successful dengue infection in fruit flies, with at least one also necessary for mosquito infection. The study opens doors to new ways to prevent or treat the disease, which infects millions globally each year.
Researchers at Van Andel Research Institute ruled out transcriptional coactivators as useful herpes antiviral drug targets. The study found that the viral genes do not depend on cellular proteins called coactivators for expression, contrary to earlier models.
A study found nearly 100 genes that support the replication of HCV and show that blocking several of them can suppress viral replication in cultured cells. Targeting these human genes could provide an alternative therapeutic strategy for patients with chronic HCV infection.
Researchers at Ohio State University Medical Center have discovered a gene, BDNF, that can improve insulin sensitivity, reduce fat mass, and lead to weight loss when active in the hypothalamus. The study involves injecting the gene into mice and shows promising results for treating obesity.
A new study redefines the boundaries of viruses, highlighting their complex relationships with hosts. The genes that encode beneficial viruses in wasps are integrated into the wasp's chromosomes, blurring the line between host and virus.
Computer models reveal that shuffling gene order has a huge impact on virus growth and interaction with host cells. The study aims to understand how an organism's genome guides its growth and development.
Researchers have identified three genes from the 1918 flu virus that enabled it to replicate in lung tissue, a key factor in its lethality. The discovery could help identify potential virulence factors in new pandemic strains and inform the development of new antiviral drugs.
Scientists have developed a new method for converting adult cells into embryonic stem cell-like cells using a single virus, cutting the number of viruses used from four to one. This approach eliminates the risks associated with multiple viruses and could potentially be used to treat diseases such as Parkinson's and diabetes.
Researchers have shown that HRV hijacks many of your genes, leading to an overblown immune response. The study identifies novel candidate genes that could be targeted for drug development to treat colds and exacerbations of asthma and COPD.
Researchers have identified the evolutionary origin of two genes, MDA-5 and RIG-I, which trigger the body's immune response to viral infections. These genes induce type I interferons, providing a unique mechanism for protection against viral infection.
A team of Yale researchers has identified 305 individual proteins that can alter viral infection, including those involved in West Nile and Dengue fever. This discovery may lead to the development of new treatments for a variety of viral infections.
Scientists have identified over 100 host cell genes that the influenza virus depends on for infection, offering hope for developing new antiviral drugs. The study used fruit fly cells and RNA interference to screen for these targets, which could potentially be used to prevent viral replication and resistance.
Scientists have identified over 100 host genes required by the flu virus for successful infection using a modified flu virus in fly cells. The study reveals a powerful new way to search for antiviral pressure points, which could lead to the development of new drugs.
A recent study found that infection with a mutated HIV strain is linked to improved survival in people who are newly infected. The researchers identified two specific mutations, A146X and T242N, which were associated with lower viral loads and higher CD4+ counts.
Researchers identified a hybrid gene in Asian monkeys that produces a protein capable of blocking HIV infection. This is the second time a similar TRIM5-CypA gene has been found in different monkey species, indicating convergent evolution.
Researchers at University College London have identified a combination of genes in Asian monkeys that protects against retroviruses, including HIV. By mimicking these genes in humans, scientists hope to develop a novel gene therapy treatment for HIV/AIDS.
Researchers at McGill University have discovered a genetic process that boosts an organism's natural anti-virus defences by knocking out genes repressing interferon production in mice. This breakthrough could lead to the development of new anti-viral therapies in humans, providing a potential solution to combat viral pandemics.
Researchers at Fred Hutchinson Cancer Center discovered that rapid evolution of protein ZAP is associated with increased antiviral activity in humans. The longer human ZAP protein isoform has higher antiviral activity against various viruses, including alphaviruses and filoviruses.
Researchers found that a protein produced by an immunity gene called ZAP has increased antiviral activity in humans, linked to evolutionary changes. The study suggests that studying evolutionary biology and virology can accelerate the discovery of viral-defense mechanisms.
New nonviral gene delivery systems utilizing transposons provide a safer alternative to viruses, with potential benefits for treating fatal conditions such as cancer. The technology has shown promise in achieving stable expression of genes in animal cells and minimizing insertional mutagenesis risk.
A joint research by Dr. Leonid Brodsky and Dr. Milton Taylor identified 37 genes out of 22,000 possible genes which fight the hepatitis C virus. The study's mathematical model can be applied to identify key genes in patient response to treatment, potentially leading to more effective medications.
Researchers at Virginia Tech have successfully expressed a foreign gene exclusively in the female mosquito germline, paving the way for genetic control strategies. The discovery enables all progeny of lab and wild mosquitoes to have the gene that blocks virus replication.
A team of scientists has identified over 350 immune system genes in the Aedes aegypti mosquito, which transmits deadly diseases like yellow fever and dengue. Understanding these genes' role in virus transmission could lead to new ways of combating these diseases by enhancing the mosquito's immune response.
University of Florida researchers have identified specific human genes targeted by the Kaposi's sarcoma virus, which is believed to cause rare forms of cancer. The virus uses microRNAs to silence genes that suppress tumor cells and blood vessel growth, resulting in the characteristic red spots on patients' skin.
Scientists at Salk Institute develop tool to identify all neurons connected to a single neuron, shedding light on brain wiring and neural circuits. The modified rabies virus is used to create a wiring diagram of the brain, revealing connections between neurons and correlating them with brain functions.
Researchers have made significant breakthroughs with RNAi gene therapy, showing its effectiveness in shutting down viruses that cause diseases such as hepatitis and HIV in mice. With three human trials underway, the technique may be on the verge of widespread use for treating various human diseases.
A study found that herpes simplex virus, which causes cold sores, may be more active in the brains of people with the ApoE-4 gene variant, a known risk factor for Alzheimer's disease. The research suggests that ApoE-4 may alter the balance between the HSV life cycle forms, potentially increasing the risk of Alzheimer's.
The research team identified a single recessive gene, Rymv1, which confers resistance to the virus by blocking its interaction with the host protein. The discovery could lead to the development of resistant rice varieties, reducing yield losses and improving food security.
A comprehensive mouse study provides new clues about the virulence of the 1918 influenza virus. The research found that a hyperactive immune response triggered by the virus may contribute to its exceptional lethality. Understanding this phenomenon is crucial for developing therapies against future flu pandemics.
The MIT team used an intricate assembly process to create a functional electronic device from viruses, producing dense films of cobalt oxide and gold. The result is a nanoscale battery material with high energy density, suitable for compact energy storage applications.
Research reveals that animals rapidly evolve genes controlling their immune system to fight viruses, outpacing most other genes in the process. This highlights the vital role of RNAi mechanisms in antiviral defense and demonstrates the dynamic evolution of host organisms in response to viral strategies.
Researchers detected a novel virus, XMRV, in human prostate tumors with two copies of the RNASEL gene mutation. The study validates the use of DNA-hunting 'virus chip' technology to discover previously unknown viruses and potentially uncover new viral causes for disease.
Two research papers, 'Characterization of the 1918 influenza virus polymerase genes' and 'Characterization of the reconstructed 1918 Spanish influenza pandemic virus', win Lancet's Paper of The Year 2005. The studies provide crucial insights into the 1918 pandemic, which is believed to have killed up to 50 million people.
The study provides fundamental insight into the evolution of influenza viruses in nature and could lead to effective strategies for controlling outbreaks of bird flu viruses in humans and birds. The results reveal new forms of bird flu genes, how these viruses evolve through time and the identification of genes that travel together.