Tag: "mosquito" at biology news
Warming trend may contribute to malaria's rise
... and desert fringes. Because the life cycle of the mosquito
that transmits malaria and the microorganism that ...e abundance of mosquitoes," she said. "And because mosquito
abundance is generally quite low in these highland regions, any increase in abundance can be an impo...
How a locust's eardrum could lead to tiny microphones
...curately measure the tiny nanoscale movements of a mosquito
antenna as it responds to sound and then create a ...unds create enough vibration on their own. How the mosquito
does this is poorly understood but if we can gain a better understanding it could open up the way to...
Building a hand-held lab-on-a-chip to simplify blood tests
...ed blood-count machine requiring less blood than a mosquito
bite will make blood tests easier for many patients, from neonatal units to astronauts in space. Funded by the National Space Biomedical Research Institute (NSBRI), researchers at the California Institute of Technology, the University of California, ...
UCI professors Barbara Finlayson-Pitts and Anthony James elected to National Academy of Sciences
...that successfully created a genetically engineered mosquito
that shows a high level of resistance against the most prevalent type of dengue fever virus, providing a powerful weapon against a disease that infects 50 million people each year. A professor in the departments of microbiology and molecular genetics...
New strategy developed to combat West Nile Virus
...which leads to "amplification" of the virus within mosquito
populations. Researchers from Oregon State Univer...y in the year, the limited water resources confine mosquito
populations to selected habitats specifically isolated, densely vegetated hammocks where conditions...
First characterization of chikungunya viruses from Indian Ocean outbreak
...he chikungunya virus, which is spread to humans by mosquito
bites. It was first described in Tanzania in 1952 and has since been found in Africa, India, and South East Asia. The name is derived from a local Tanzanian word meaning "that which bends up", a reference to the stooped posture many patients develop ...
ACS News Service weekly press package - May 30, 2006
...ical company has quietly transformed old-fashioned mosquito
netting into a high-tech weapon against malaria. A... Jean-Francois Tremblay explains that conventional mosquito
netting needs a fresh dose of insecticide every few months -- a difficult proposition for poverty-st...
Biological diversity and human health; Rapid autopsy program; Snake bites and more
...irus, which is transmitted to humans by a range of mosquito
species and which can replicate in a variety of bird species. Initial research, say the authors, suggests that cases of human West Nile virus infection are less common in areas with high bird diversity. The virus is particularly likely to replicate...
Mosquito immune system examined
... authors, the findings add to the understanding of mosquito
immunity, and could contribute towards the develop...l large portions of Plasmodium parasites, and some mosquito
strains are totally resistant to Plasmodium. However, our observations suggest that mosquitoes have ...
Receptor holds the key to mosquito immune response
...site that causes malaria in humans. Potentially, a mosquito
with an enhanced capacity to recognize and kill Pl...ion of surface patterns. The immune systems of the mosquito
and other insects primarily rely on recognizing the pattern of a specific pathogen to activate an im...
Flying in tune: Buzz brings mosquito pairs together
...ecific flight tones will be shared among different mosquito
Fundacin BBVA and IDIBAPS reassess the intermittent treatment efficiency against malaria
...l of the parasite to the drug. The distribution of mosquito
nets impregnated with insecticide, aimed to minimise the exposition of women to the mosquito
transmitting the disease, has not yielded the expected results. That is why it is now needed to find...
Einstein researchers find 'key' to unlocking world's deadliest malaria parasite
...he parasite's virulence, how it's transmitted from mosquito
to humans and how it develops resistance to antimalarial drugs." The research effort was conducted primarily by Louis Nkrumah, an MD/PhD student at Einstein. Central to this effort was a bacterial phage (virus) that Dr. Jacobs isolated from soil in...
Gene breakthrough heralds better prospect for malaria solution
...cally modified Wolbachia that would spread through mosquito
populations and carry genes that make their mosquito
hosts unable to transmit the plasmodium parasite that cause malaria. For the first time, in new r...
UGA study explains peaks and troughs of dengue epidemics
...s to areas that were previously dengue-free when a mosquito
bites an infected traveler and then spreads it to others. According to the Centers for Disease Control and Prevention, Aedes aegypti and the related Aedes albopictus (the Asian tiger mosquito) have the potential to spread dengue in sporadic outbreaks...
Mosquito spray increases toxicity of pyrethroids in creek, study finds
...x creeks in Sacramento, Calif., after the county's mosquito
control authorities took the rare step of applying...er that was sampled in Sacramento after the aerial mosquito
spray, the researchers compared the reproduction and survival rates of a species of water flea, Ceri...
Tracking diseases by bait, plane, insects and fowl
...niversity) studies the role an invasive species of mosquito
(Aedes albopictus) may play in a geographic shift ...utheastern U.S. Traditionally carried by a native mosquito
(Ochlerotatus triseriatus), research has shown nutritionally deprived mosquitoes to be more efficien...
Dengue virus reveals its circular secret
...ructures. The mutated RNAs were then inserted into mosquito
cells or hamster cells to see if the viral RNA would be copied. To their surprise, the scientists found that the stem-loop or SLA sequence is essential for viral replication. Changes in even one or two building blocks in this structure were enough ...
Movie spies on malaria parasite's sneaky behavior
...finally taken up again from the blood when another mosquito
bites. Then it reproduces and waits for the mosquito
to bite again to infect another person. Researchers have long assumed that the form of the parasi...
Biodiversity, Ecosystem Processes and Human Health
...vian Amazon and found biting rates of a particular mosquito
were 200 times higher in deforested areas than are...on on malaria in his presentation, "Deforestation, mosquito
biodiversity, and the increase of malaria in the Amazon." Human activities, especially agricultu...
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