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Mosquitos

The Life Cycle of a Mosquito

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes the life cycle of the mosquito.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes the life cycle of the mosquito.

Zika Virus and Brain Cancer

New June 2022! Could the Zika Virus provide insight into treatments for brain cancer? Dr. Milan Chheda, MD is trying to find out.

New June 2022! Could the Zika Virus provide insight into treatments for brain cancer?  Dr. Milan Chheda, MD is trying to find out.

Taking the Virus out of the Bite

Everyone is at risk of mosquito bites during mosquito season. According to the Centers for Disease Control and Prevention, no vaccines or medications are available for most viruses spread by mosquitoes. The CDC described how disease epidemics are happening more often, including the recent Zika (2015-2017) and chikungunya (2013-2014) epidemics. West Nile virus in the most common virus spread my mosquitoes in the continental United States. Researchers at the University of Missouri are trying to stop the spread of mosquito viruses by studying the molecular interactions of arthropod-borne (arbor)viruses, such as chikungunya and Zika viruses. The work is being done in the lab of Alexander Franz, an assistant professor in the Department of Veterinary Pathobiology in the MU College of Veterinary Medicine.

Alexander Franz, an assistant professor in the MU College of Veterinary Medicine, Dept. of Veterinary Pathobiology is trying to stop the spread of mosquito viruses by studying the molecular interactions.

Taking the Virus out of the Bite! Mosquito-Borne Diseases Are Tracked in the Insect’s Body

Everyone is at risk of mosquito bites during mosquito season. According to the Centers for Disease Control and Prevention, no vaccines or medications are available for most viruses spread by mosquitoes. The CDC described how disease epidemics are happening more often, including the recent Zika (2015-2017) and chikungunya (2013-2014) epidemics. West Nile virus in the most common virus spread my mosquitoes in the continental United States. Researchers at the University of Missouri are trying to stop the spread of mosquito viruses by studying the molecular interactions of arthropod-borne (arbor)viruses, such as chikungunya and Zika viruses. The work is being done in the lab of Alexander Franz, an assistant professor in the Department of Veterinary Pathobiology in the MU College of Veterinary Medicine. The goal is to understand the molecular basis of mosquito vector competence for arboviruses and to develop novel strategies for interrupting the viral disease cycle in the insect. Franz and his research team hope to one day take the virus out of the mosquito’s bite by inhibiting the genes involved with the release of the virus from within the mosquito’s stomach. This would prevent future transmission of mosquito-borne diseases. With the help of state-of-the-art technology, they can see how a virus moves within a mosquito’s body, which could lead to the prevention of mosquitoes transmitting diseases. Three separate electron microscopes are used to view the virus traveling through the mosquito, beginning with its midgut, or stomach. The first two microscopes provided different two-dimensional views of a single layer of tissue in the mosquito’s stomach. The third, a focused ion beam electron microscope, allowed researchers to see multiple layers of tissue. “Previously, the common understanding was that when a mosquito has picked up a virus, it first needs some time to build up inside the midgut, or stomach, before infecting other tissues in the mosquito,” said Franz. “However, our observations show that this process occurs at a much faster pace; in fact, there is only a narrow window of 32 to 48 hours between the initial infection and the virus leaving the mosquito’s stomach. For this field of research, that revelation is eye opening.”

The Effectiveness of Mosquitos Repellants

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, discusses the values, strengths and weakness of various methods of mosquito repellants.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, discusses the values, strengths and weakness of various methods of mosquito repellants.

Using the Mosquitos Alert App

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes how scientists in Spain created an app to help local governments find mosquito breeding locations.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes an app to help local governments find mosquito breeding locations.

Ways to Control Mosquitos

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes ways to control mosquitos that are more environmentally friendly.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes ways to control mosquitos that are more environmentally friendly.

Do Mosquitos Do Any Good Things for the Environment?

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes the role of mosquitos in the environment.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes the role of mosquitos in the environment.

Do All Mosquitos Spread Diseases to Humans?

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, explains which type of mosquitos can transmit disease to humans.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, explains which type of mosquitos can transmit disease to humans.

Identifying a Male from a Female Mosquitos

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes how you can tell a male mosquito from a female mosquito.

Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden, describes how you can tell a male mosquito from a female mosquito.

Celebrate the Earth with Insects:  Mosquitos and Monarchs – Insect Ecology and Eco-Sense

View this video with Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden to learn about the life cycles of monarch butterflies and mosquitos and find out how you can garden with native plants to support pollinators and control mosquito breeding to protect against the diseases carried by some species of these insect “pests.”

Learn the life cycles of monarch butterflies and mosquitos and how native plants supports pollinators from Jean Ponzi, Green Resources Manager at the EarthWays Center of the Missouri Botanical Garden.

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