Virology

Virology News -- ScienceDaily Virology News. Read current research on the virus structure, specific viruses (H5N1 flu, West Nile virus, HIV and more) and responses.

  • Scientists discover how antiviral gene works
    on June 22, 2018 at 9:45 pm

    It's been known for years that humans and other mammals possess an antiviral gene called RSAD2 that prevents a remarkable range of viruses from multiplying. Now, researchers have discovered the secret to the gene's success: The enzyme it codes for generates a compound that stops viruses from replicating. The newly discovered compound offers a novel approach for attacking many disease-causing viruses. […]

  • Not junk: 'Jumping gene' is critical for early embryo
    on June 21, 2018 at 6:10 pm

    A so-called 'jumping gene' that researchers long considered either genetic junk or a pernicious parasite is actually a critical regulator of the first stages of embryonic development, according to a new study. […]

  • California Aedes mosquitoes capable of spreading Zika
    on June 21, 2018 at 6:10 pm

    Over the last five years, Zika virus has emerged as a significant global human health threat following outbreaks in South and Central America. Now, researchers have shown that invasive mosquitoes in California -- where cases of Zika in travelers have been a regular occurrence in recent years -- are capable of transmitting Zika. […]

  • Rhesus macaque model offers route to study Zika brain pathology
    on June 20, 2018 at 9:46 pm

    Rhesus macaque monkeys infected in utero with Zika virus develop similar brain pathology to human infants. The findings may open up new ways to study the infection in an animal model. […]

  • Scientists find evidence of 27 new viruses in bees
    on June 20, 2018 at 8:24 pm

    An international team of researchers has discovered evidence of 27 previously unknown viruses in bees. The finding could help scientists design strategies to prevent the spread of viral pathogens among these important pollinators. […]

  • Compound made inside human body stops viruses from replicating
    on June 20, 2018 at 7:01 pm

    A team of researchers has identified the mode of action of viperin, a naturally occurring enzyme in humans and other mammals that is known to have antiviral effects on viruses such as West Nile, hepatitis C, rabies, and HIV. This discovery could allow researchers to develop a drug that could act as a broad-spectrum therapy for a range of viruses, including Zika. […]

  • Gene-edited pigs are resistant to billion-dollar virus
    on June 20, 2018 at 7:01 pm

    Scientists have produced pigs that can resist one of the world's most costly animal diseases, by changing their genetic code. Tests with the virus -- called Porcine Reproductive and Respiratory Syndrome, or PRRS -- found the pigs do not become infected at all. The animals show no signs that the change in their DNA has had any other impact on their health or wellbeing. […]

  • Cells can trap viruses in protein cage to stop their spread, study reveals
    on June 19, 2018 at 4:30 pm

    Researchers have discovered that cells can trap viruses in a protein cage to stop them from spreading to neighboring cells. The study reveals that the vaccinia virus can escape this trap by recruiting additional proteins to dismantle the cage and propel the virus out of the cell. […]

  • Factor important for ZIKA Virus host species restriction
    on June 19, 2018 at 2:24 am

    In 2013 and 2015, devastating outbreaks of ZIKA captured world attention. The virus is often transmitted from wild animals -- probably non-human primates -- via mosquitos to humans. This is the first comprehensive study to investigate which mammal species may host the ZIKA virus (ZIKV). […]

  • Devastating plant virus is revealed in atomic detail
    on June 18, 2018 at 2:26 pm

    The complex 3D structure of one of the world's most lethal families of plant viruses has been revealed in unprecedented detail by scientists. […]

  • Pesticide-free way to combat mosquitoes and West Nile
    on June 18, 2018 at 2:25 pm

    Researchers may have discovered a new, pesticide-free way to limit mosquito populations in some area and reduce the spread of the West Nile virus. […]

  • Brromeliads contribute to mosquito breeding in Miami
    on June 15, 2018 at 1:48 pm

    With vector-borne diseases posing an increasing public health threat to communities in South Florida and elsewhere, a new study led by public health researchers has revealed that ornamental bromeliad plants contribute to breeding of the Aedes aegypti mosquito -- a key culprit for the Zika outbreak that hit Miami-Dade County and other areas of Florida and the Americas in 2016. Aedes aegypti was the most dominant species of mosquito in the study's test sites. […]

  • Scientists discover biomarker for flu susceptibility
    on June 14, 2018 at 12:52 am

    Researchers have found a way to predict whether someone exposed to the flu virus is likely to become ill. They used a computational approach to pinpoint a blood-based genetic biomarker to determine an individual's susceptibility to the disease. […]

  • Floridians took Zika threat more seriously than rest of US -- but still most did nothing
    on June 13, 2018 at 2:20 pm

    Threatened by the mosquito-borne Zika virus in 2016, Florida residents felt more susceptible than others in the United States to getting the virus, were more knowledgeable about it, and were more likely to support taking community action against it. Floridians were nearly twice as likely as non-Floridians to say they took steps to protect themselves from Zika. Even so, fewer than half of Floridians said they actually did take preventive measures. […]

  • Pandoravirus: Giant viruses invent their own genes
    on June 11, 2018 at 5:35 pm

    Three new members have been added to the Pandoravirus family. Researchers offer an explanation to their puzzling giant genomes with many orphan genes: pandoviruses appear to be factories for new genes -- and therefore new functions. From freaks of nature to evolutionary innovators, giant viruses continue to shake branches on the tree of life! […]

  • How to slow down Ebola
    on June 11, 2018 at 5:34 pm

    The phylogenetic tree of the 2013-2016 Ebola epidemic doesn't just tell us how the Ebola virus was able to evolve: it also reveals which events and preventive measures accelerated or slowed down its spread. These findings open up new perspectives for the containment of epidemics. […]

  • Treg cells protect babies from getting HIV infection from their mothers
    on June 11, 2018 at 5:34 pm

    Scientists now report that Treg cells, a type of regulatory lymphocyte, may be protecting babies in the womb from getting infected with the HIV virus when the mother is infected. […]

  • A 'super' receptor that helps kill HIV infected cells
    on June 11, 2018 at 5:34 pm

    Researchers have discovered a unique set of 'super' receptors on immune cells capable of killing HIV across genetically diverse populations, making them a potential candidate for immunotherapy treatments. The researchers studied fifteen unique individuals who all had been infected with HIV, but have immune systems that protect them from AIDs progression. These rare individuals, called HIV controllers, could hold clues to the cure for the disease. […]

  • Aircraft microbiome much like that of homes and offices, study finds
    on June 7, 2018 at 2:09 pm

    What does flying in a commercial airliner have in common with working at the office or relaxing at home? According to a new study, the answer is the microbiome -- the community of bacteria found in homes, offices and aircraft cabins. […]

  • Flu virus is protected by mucus when airborne, regardless of humidity
    on June 7, 2018 at 12:25 pm

    Mucus and other airway secretions that are expelled when a person with the flu coughs or exhales appear to protect the virus when it becomes airborne, regardless of humidity levels, a creative experiment discovered. The results refute long-standing studies that indicated the influenza virus degrades and is inactivated sooner as the humidity increases. […]

  • What does the future hold for the children of the Zika virus outbreak in Brazil?
    on June 6, 2018 at 6:37 pm

    A new study uses a mouse model to investigate the potential long-term effects of early-life infection by Zika virus, and indicates that blocking TNF-alpha may be an effective strategy to stop seizures in newborns exposed to Zika congenitally. […]

  • Dogs can be a potential risk for future influenza pandemic
    on June 5, 2018 at 2:34 pm

    Dogs are a potential reservoir for a future influenza pandemic, according to a new study. The study demonstrated that influenza virus can jump from pigs into canines and that influenza is becoming increasingly diverse in canines. […]

  • HIV vaccine elicits antibodies in animals that neutralize dozens of HIV strains
    on June 4, 2018 at 4:50 pm

    An experimental vaccine regimen based on the structure of a vulnerable site on HIV elicited antibodies in mice, guinea pigs and monkeys that neutralize dozens of HIV strains from around the world. […]

  • New understanding of hep B virus may lead to new drugs
    on June 4, 2018 at 4:49 pm

    Researchers have gained new insights into the virus that causes hepatitis B -- a life-threatening and incurable infection that afflicts more than 250 million people worldwide. The discovery reveals previously unknown details about the protein shell that encloses the virus' genetic blueprint and could lead to new drugs to treat the infection. […]

  • Discovery reveals how cells try to control levels of key HIV protein
    on May 31, 2018 at 6:31 pm

    Scientists uncover potential new targets for antiviral drugs using novel laboratory method. […]

  • Impact of dengue virus on Ethiopia
    on May 31, 2018 at 6:30 pm

    Dengue, a mosquito-borne RNA virus, is one of the most serious and rapidly spreading arboviral diseases in the world. Now, researchers have provided the first baseline data on the prevalence and risk factors of the virus in Ethiopia. […]

  • Characteristics of microorganisms most likely to cause a global pandemic
    on May 29, 2018 at 1:21 pm

    A potential global catastrophic risk-level pandemic pathogen will most likely have a respiratory mode of transmission; be contagious during the incubation period, prior to symptom development, or when infected individuals show only mild symptoms; and need specific host population factors (e.g., immunologically naïve persons) and additional intrinsic microbial pathogenicity characteristics (e.g., a low but significant case fatality rate) that together substantially increase disease spread and infection. RNA viruses are the biggest threat. […]

  • Limiting global warming could avoid millions of dengue fever cases
    on May 28, 2018 at 7:19 pm

    Limiting global warming to 1.5°C could avoid around 3.3 million cases of dengue fever per year in Latin America and the Caribbean alone -- according to new research. A new report reveals that limiting warming to the goal of the UN Paris Agreement would also stop dengue spreading to areas where incidence is currently low. […]

  • Reconstructing Zika's spread
    on May 24, 2018 at 6:17 pm

    The urgent threat from Zika virus, which dominated headlines in early 2016, has passed. But research into how Zika and other mosquito-borne infections spread and cause epidemics is still very active. Researchers now report new details of how Zika emerged from Brazil and spread throughout Mexico and Central America, with evidence that some locations had more than one outbreak. […]

  • Some veterans at higher risk of Zika complications
    on May 24, 2018 at 6:17 pm

    Zika virus (ZIKV) has affected roughly half a million people in the Western hemisphere in recent years, including US veterans. Older veterans and those with comorbidities are at an increased risk of hospitalizations and neurological complications after a ZIKV infection, researchers now report. […]