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Newswise: Sending Out Bacteria-Carrying Mosquitoes to Protect People from Dengue
18-Apr-2022 1:45 PM EDT
Sending Out Bacteria-Carrying Mosquitoes to Protect People from Dengue
American Institute of Physics (AIP)

In Chaos, researchers developed a model to spatially distribute mosquitoes infected with Wolbachia bacteria, which reduce the transmission of the dengue virus. The researchers use real data on human and vector activity in a framework that can be analyzed from a mathematical point of view, allowing them to re-create and understand the epidemiological situation and identify those geographical areas with the greatest vulnerability, creating a ranking of areas that prioritizes those where Wolbachia-carrying mosquitoes can have the strongest and most beneficial impact on the spread of the virus.

Newswise: A small mutation can make Zika virus even more dangerous
6-Apr-2022 5:05 PM EDT
A small mutation can make Zika virus even more dangerous
La Jolla Institute for Immunology

Researchers at La Jolla Institute for Immunology (LJI) have found that Zika virus can mutate to become more infective—and potentially break through pre-existing immunity.

Newswise: UC San Diego Biology Lab Receives $1.4M Grant to Fight Malaria Spread
Released: 30-Mar-2022 1:05 PM EDT
UC San Diego Biology Lab Receives $1.4M Grant to Fight Malaria Spread
University of California San Diego

New funding from the Gates Foundation will support cutting-edge genetics strategies designed implement and safely restrain gene drives that help stop the spread of malaria, which annually infects more than 200 million people.

Newswise: Surprise Findings Suggest Mosquito Odor Sensors Are Sensitive to Molecular Regulation to Avoid Insect Repellants
Released: 16-Mar-2022 1:00 PM EDT
Surprise Findings Suggest Mosquito Odor Sensors Are Sensitive to Molecular Regulation to Avoid Insect Repellants
Johns Hopkins Medicine

In what they call surprise findings, Johns Hopkins Medicine scientists report that — unlike fruit flies — mosquitoes’ odor sensing nerve cells shut down when those cells are forced to produce odor-related proteins, or receptors, on the surface of the cell.

Newswise: Mosquito surveillance program finds invasive species taking root in three Iowa counties
Released: 10-Feb-2022 10:30 AM EST
Mosquito surveillance program finds invasive species taking root in three Iowa counties
Iowa State University

An invasive species of mosquito has established itself in three Iowa counties, according to data from Iowa State University entomologists. The species is capable of transmitting disease, but ISU experts said the species’ arrival is no cause for alarm.

Newswise: Mosquitoes are seeing red: Why new findings about their vision could help you hide from these disease vectors
2-Feb-2022 8:05 PM EST
Mosquitoes are seeing red: Why new findings about their vision could help you hide from these disease vectors
University of Washington

New research indicates that a common mosquito species (after detecting a telltale gas that we exhale) flies toward specific colors, including red and orange. Scientists believe these findings help explain how mosquitoes find hosts, since human skin, regardless of pigmentation, emits a red-orange “signal” to their eyes.

Newswise: Zika vaccine shows promising results in preclinical studies
Released: 27-Jan-2022 4:50 PM EST
Zika vaccine shows promising results in preclinical studies
Texas Biomedical Research Institute

A Zika virus vaccine candidate is effective at preventing the Zika virus passing from mother to fetus in preclinical animal studies, according to a new study in the journal npj Vaccines. The research is a collaboration between Trudeau Institute, Texas Biomedical Research Institute’s Southwest National Primate Research Center (SNPRC), and Walter Reed Army Institute of Research (WRAIR), where the vaccine was developed.

Released: 30-Nov-2021 12:00 PM EST
Zika virus infection drives epigenetic modulation of immunity by the histone acetyltransferase CBP of Aedes aegypti
Preprints

AbstractEpigenetic mechanisms are responsible for a wide range of biological phenomena in insects, controlling embryonic development, growth, aging and nutrition. Despite this, the role of epigenetics in shaping insect-pathogen interactions has recei

Released: 14-Sep-2021 2:15 PM EDT
Proteins that outwit emerging and re-emerging viruses
Ohio State University

A family of proteins best known for their role in diminishing HIV infectivity may have the goods to outwit other emerging and re-emerging viruses, scientists have found.

Newswise: Li-image-3.jpg
8-Sep-2021 4:40 PM EDT
New Technology Designed to Genetically Control Disease-spreading Mosquitoes
University of California San Diego

Scientists have created the precision-guided sterile insect technique, a new CRISPR-based technology to control Aedes aegypti, the mosquito species responsible for spreading wide-ranging diseases including dengue fever, chikungunya and Zika.

Newswise: Gene editing could render mosquitos infertile, reducing disease spread
Released: 23-Aug-2021 1:50 PM EDT
Gene editing could render mosquitos infertile, reducing disease spread
U.S. ARMY Research Laboratory

Mosquitos spread viruses that cause potentially deadly diseases such as Zika, dengue fever and yellow fever. New U.S. Army-funded research uses gene editing to render certain male mosquitoes infertile and slow the spread of these diseases.

Newswise:Video Embedded breakthrough-cases-and-covid-boosters-live-expert-panel-for-august-18-2021
VIDEO
Released: 19-Aug-2021 3:00 PM EDT
VIDEO AND TRANSCRIPT AVAILABLE: Breakthrough Cases and COVID Boosters: Live Expert Panel for August 18, 2021
Newswise

Expert Q&A: Do breakthrough cases mean we will soon need COVID boosters? The extremely contagious Delta variant continues to spread, prompting mask mandates, proof of vaccination, and other measures. Media invited to ask the experts about these and related topics.

Released: 7-Jul-2021 3:25 PM EDT
Mapping Dengue Hot Spots Pinpoints Risk for Zika and Chikungunya
Emory Health Sciences

Data from nine cities in Mexico confirms that identifying dengue fever “hot spots” can provide a predictive map for future outbreaks of Zika and chikungunya. All three of these viral diseases are spread by the Aedes aegypti mosquito.

Released: 10-Mar-2021 12:05 PM EST
Study of mosquito protein could lead to treatments against life-threatening viruses
National Institute of Environmental Health Sciences (NIEHS)

The mosquito protein AEG12 strongly inhibits the family of viruses that cause yellow fever, dengue, West Nile, and Zika and weakly inhibits coronaviruses, according to scientists at the National Institutes of Health and their collaborators. They found that AEG12 works by destabilizing the viral envelope, breaking its protective covering.

Newswise: Scientists Reveal Details of Antibodies that Work Against Zika Virus
22-Feb-2021 7:00 AM EST
Scientists Reveal Details of Antibodies that Work Against Zika Virus
Biophysical Society

ROCKVILLE, MD – The Zika outbreak of 2015 and 2016 is having lasting impacts on children whose mothers became infected with the virus while they were pregnant.

Newswise: Fighting Zika? Call in the T cells
30-Oct-2020 1:35 PM EDT
Fighting Zika? Call in the T cells
La Jolla Institute for Immunology

In a new Science Advances study, Shresta and her colleagues at LJI report that the immune system's T cells have the power to prevent Zika infection in mice. This finding suggests that effective Zika vaccines need to activate T cells to work alongside antibodies.

Newswise: aedes_aegypti_mosquito_feature.jpg
Released: 20-Oct-2020 4:10 PM EDT
Light pollution may increase biting behavior at night in Aedes aegypti mosquitoes
University of Notre Dame

Artificial light abnormally increases mosquito biting behavior at night in a species that typically prefers to bite people during the day, according to research from the University of Notre Dame that was published in The American Journal of Tropical Medicine and Hygiene.


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