Researchers develop the first climate-based model to predict Dengue fever outbreaks

... one of four closely related Dengue viruses is transmitted to humans by the aedes aegypti or more rarely the aedes albopictus mosquito, sometimes with other animals serving as intermediary h...

Mosquito mating mechanism could lead to new attack on dengue and yellow fever

... as the most virulent mosquito-borne disease in the tropical world. Specifically, they have discovered 63 proteins that male mosquitoes transfer to aedes aegypti females during mating and are thought briefly to change the females' physiology and behavior, in particular suppressing the female's appetite ...

Drug Firm on the Threshold of Developing Dengue Vaccine

...e completed, the vaccine will move to the final stage to test its effectiveness in other parts of the world, including Singapore. Cases of the aedes mosquito-carried virus have reached epidemic levels twice in the city-state since June. There have been 3,597 cases and three deaths since the start o...

China to Make Cuban Dengue Mosquito Killer

...s developed and patented Bactivec, a biolarvicide which kills larvae of the aedes aegypti mosquito, the dengue vector, the ministry statement said. A... and 500,000 cases of more dangerous dengue haemorrhagic fever. The aedes aegypti mosquito likewise causes 200,000 cases of yellow fever a year, resu...

Dengue Cases in Singapore Crosses Alarming Levels

...92 cases during the same period in 2006, the statement said. Efforts have been stepped up to eradicate breeding grounds of the dengue-causing aedes mosquito in the island-state, which has a reputation for being one of the world's cleanest cities. "The recent spells of intermittent rain co...

Notice Sent to Courts Asking Them to Stop Courting Mosquitoes

...w cases of dengue, we don't want to take any chance. Around 270 health workers are conducting field visits and surprise checks to stop the breeding of aedes mosquitoes," he said. Elaborating on their field visit, the CMO said they were mainly targeting coolers, flowerpots, roof top water tanks, and...

Aedes Agypti Mosquitos Immune System Revealed

...ar.The genes that make up the immune system of the aedes aegypti mosquito which transmits deadly viral dise...t of its kind on the newly-sequenced genome of the aedes aegypti mosquito, which is also published in this ...dentified over 350 genes which are involved in the aedes mosquitos immune system, and discovered that they ...

Chikungunya Spreads as Funds Remain Unspent

...tate had 762,026 suspected cases of chikungunya, more than half of all reported cases in India. Chikungunya is caused by a virus spread by the aedes Egyptis mosquito that breeds in stagnant water. Maharashtra is another state that took little interest in spending the allocated money, with P...

Dengue Fever Deaths Up in Vietnam

...r and too much rain this year, which has provided good breeding grounds for mosquitos." The virus thrives in urban areas because the carrier, the aedes mosquito, breeds in stagnant water, including in blocked drain-pipes and rubbish heaps. Experts predict dengue fever will increasingly spread wit...

Scientists Map Genome Sequence Dengue Mosquito

... Scientists have completed the first draft of the genome sequence of aedes aegypti mosquito, thereby moving one step further towards the development ...egypti genome sequence has been described in the article Genome Sequence of aedes aegypti, A Major Arbovirus Vector, published in Science Express. It is expe...

Aedes in Medical Technology

Focus Diagnostics Launches Laboratory Test for Chikungunya Virus

... of Ravenna in 2007 -- the first occasion that the aedes albopictus mosquito had been involved in an outbre...mans through the bite of an infected mosquito. The aedes albopictus mosquito, also known as the Asian tiger...uthern and eastern regions of the country. Another aedes mosquito, A. aegypti, is responsible for outbreaks...

Aedes in Medical Dictionary

Yellow Fever

...he ... helps to distinguish yellow fever from other causes of ... Yellow fever is caused by a virus that is spread by several species of aedes and ... The natural sources of yellow fever are monkeys and mosquitoes, which inhabit ... ...

Aedes in Biological News

Midge keeps invasive mosquito in check, aiding native mosquitoes

...he invasive mosquitoes, the Asian tiger mosquito ( aedes albopictus ), can carry dengue fever, a viral dise...ito than of the native Eastern treehole mosquito ( aedes triseriatus ). This allows the native mosquitoes t... the Middle East. Like the yellow fever mosquito ( aedes aegypti ), another invasive mosquito that is now w...

Mosquito parasite may help fight dengue fever

... Dengue fever is a terrible viral disease blighting many of the world's tropical regions. Carried by mosquitoes, such as aedes aegypti , 40% of the world's population is believed to be at risk from the infection. What is more, previous exposure to other strains of the fever do...

A natural, alternative insect repellent to DEET

...ngifolenone: A Novel Sesquiterpene Repellent of Ticks and Mosquitoes." The authors found that isolongifolenone deters the biting of the mosquitoes aedes aegypti (L.) and Anopheles stephensi Liston more effectively than the widely used synthetic chemical repellent N,N-diethyl-3-methyl benzamide (DEET) i...

Hoarding rainwater could 'dramatically' expand range of dengue-fever mosquito

... Ecologists have developed a new model to predict the impact of climate change on the dengue fever-carrying mosquito aedes aegypti in Australia information that could help limit its spread. According to the study, published in the new issue of the British Ecological ...

Entomological Society of America names 2008 award winners

...Paulson examined habitat preferences and phenology of two mosquito species, aedes triseriatus and aedes albopictus, in La Crosse virus transmission foci in Virginia. He also used ...

Researchers put the bite on mosquitoes

...an, Jun Isoe, BIO5 member Vicki H. Wysocki, and the late Michael A. Wells. These researchers have discovered that one particular mosquito species, aedes aegypti, has a surprisingly complex metabolic pathway, one that requires its members to excrete toxic nitrogen after gorging on human blood. If the mo...

Earlier bites by uninfected mosquitoes boost West Nile deaths in lab mice

...e are being exposed to mosquito feeding almost continuously. In their experiments, researchers exposed sedated mice to feeding by between 15 and 20 aedes aegypti mosquitoes for an hour once a week. Scientists then allowed a single West Nile virus-infected mosquito to feed once on each of these mice and ...

Advance in effort to fight malaria by tricking the mosquito's sense of smell

... its maxillary palps. Most of the previous work that had been done on this accessory olfactory appendage was performed in another species of mosquito, aedes aeqypti, the carrier of dengue and yellow fever. Previous work found that the maxillary palps of the A. aeqypti were sensitive to carbon dioxide and...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

... The genes that make up the immune system of the aedes aegypti mosquito which transmits deadly viral dise...t of its kind on the newly-sequenced genome of the aedes aegypti mosquito, which is also published in this ...dentified over 350 genes which are involved in the aedes mosquito’s immune system, and discovered that they...

Genome of yellow fever/dengue fever mosquito sequenced

...e possible with the completion of the first draft of the genome sequence of aedes aegypti mosquito by scientists led by Vishvanath Nene at The Institute for ...rs in the May 18, 2007 Science Express, in the article, "Genome Sequence of aedes aegypti, A Major Arbovirus Vector." Researchers at 24 universities and othe...

Aedes in Biological Technology

Virginia Tech researchers discover how mosquitoes avoid succumbing to viruses they transmit

...nsmitted viruses, such as chikungunya and eastern equine encephalitis, both of which cause serious diseases in humans. They infected a mosquito called aedes aegypti, an important vector of yellow fever and dengue. In response, the mosquito immune system generated viRNAs, which make up 10 percent or more of...

Aedes in Biological Definition

Yellow fever

...-to-man transmission. The mosquitos involved are aedes simpsoni , aedes africanus , and aedes aegypti in Africa; and the Haemagogus and S...

Aedes in Biological Dictionary

HnRNA

...ackaging and packaging proteins of hnRNA in Drosophila melanogaster ... While 20% of the Drosophila hnRNA is converted to mRNA, only 3.3% of the aedes ... The complexity of nuclear RNA, poly(A) hnRNA , poly(A)mRNA, and total poly(A)RNA ... The relationship between hnRNA and mRNA in the water mol...

Arbovirus

... of arbovirus called 'nairoviruses' was isolated in the 1960s, and was ... It is caused by an arbovirus of the Bunyaviridae family, transmitted by aedes ... ...