Navigation Links
Mosquito Evolution May Make It Harder to Fight Malaria: Study

FRIDAY, Oct. 22 (HealthDay News) -- Complicating efforts to combat malaria, new research indicates that two physically identical strains of a single mosquito responsible for most disease transmissions appear to be evolving into two genetically distinct species.

Two studies reported in the Oct. 21 issue of Science suggest that the evolution process is occurring faster than previously thought, and note that substantial genetic differences are already apparent. This development could undermine efforts to control mosquito population growth with strategies that may not be effective against both strains, the researchers said.

"Malaria is a deadly disease that affects millions of people across the world, and amongst children in Africa, it causes one in every five deaths," George Christophides, a professor in the division of cell and molecular biology at Imperial College London in England, said in a news release from the college. Christophides is one of the lead researchers.

"We know that the best way to reduce the number of people who contract malaria is to control the mosquitoes that carry the disease," he continued. "Our studies help us to understand the makeup of the mosquitoes that transmit malaria, so that we can find new ways of preventing them from infecting people."

Malaria kills one child every 30 seconds worldwide, according to World Health Organization figures cited in the studies.

The new studies focused on the so-called "M" and "S" strains of the "Anopheles gambiae mosquito," which is involved in most malarial transmissions in sub-Saharan Africa.

After conducting detailed genetic analyses, the authors of one study concluded that significant genetic differences are dispersed all across each strain's genome, potentially altering development, eating habits, and reproductive patterns.

The other study examined 400,000 different spots on each strain's genome and those on a third strain called "Bamako" to hone in on genetic variations.

The research team theorized that the strains seem to be evolving in different directions, perhaps in reaction to environmental differences or divergences in the diseases and predators each mosquito strain must combat.

The research team included scientists from the University of Notre Dame, the J.C. Venter Institute, Washington University and the Broad Institute.

More information

For more on malaria, visit the U.S. National Institutes of Health.

-- Alan Mozes

SOURCE: Imperial College London, news release, Oct. 21, 2010

Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Private Sector, President's Malaria Initiative Join Forces to Strengthen Angolas Capacity to Control Mosquitoes
2. Flightless mosquitoes developed to help control dengue fever
3. Mosquito Squad Partners with Malaria No More
4. Hakuna Matata Tents Launches SansBug Pop-up Tent Just in Time for Mosquito Season
5. Mosquito Squad Opens New Location in Marietta, Georgia
6. Not All Mosquitoes Deterred by DEET
7. York U study finds better way to battle mosquitoes
8. Malaria-transmitting mosquito evolving, NIH grantees find
9. Scott & White Memorial Hospital uses device to revolutionize treatment of traumatic aortic injury
10. Gold at Forefront of Nanotechnology Revolution
11. Hollywood-Style Liposuction Comes to DC: Chevy Chase Smartlipo Brings Revolutionary Laser-Assisted Liposuction to DC Metro Area
Post Your Comments:
Related Image:
Mosquito Evolution May Make It Harder to Fight Malaria: Study
(Date:6/27/2016)... ... June 27, 2016 , ... TherapySites, ... its affiliation with Tennessee Counseling Association. This new relationship allows TherapySites ... Tennessee Counseling Association, adding exclusive benefits and promotional offers. , "TCA is extremely ...
(Date:6/26/2016)... , ... June 27, 2016 , ... Quality metrics are ... in many ways they remain in the eye of the beholder, according to experts ... publication of The American Journal of Managed Care. For the full issue, click ...
(Date:6/26/2016)... ... , ... Brent Kasmer, a legally blind and certified personal trainer is helping to develop a ... fitness app plans to fix the two major problems leading the fitness industry today:, ... type program , They don’t eliminate all the reasons people quit their exercise ...
(Date:6/25/2016)... ... ... closing of Bruton Memorial Library on June 21 due to a possible lice infestation, as ... of head lice: the parasite’s ability to live away from a human host, and to ... one in the event that lice have simply gotten out of control. , As lice ...
(Date:6/25/2016)... Oklahoma (PRWEB) , ... June 25, 2016 , ... ... both athletes and non-athletes recover from injury. Recently, he has implemented orthobiologic procedures ... Oklahoma City area —Johnson is one of the first doctors to perform the ...
Breaking Medicine News(10 mins):
(Date:6/23/2016)... , June 23, 2016 , ... on Thursday, July 7, 2016 , , , , LOCATION: ... , , , , EXPERT PANELISTS:  , , , ... Senior Industry Analyst, Christi Bird; Senior Industry Analyst, Divyaa Ravishankar and ... The global pharmaceutical industry is witnessing an exceptional era. ...
(Date:6/23/2016)... and BOGOTA, Colombia , June 23, 2016  Astellas today announced the establishment of Astellas Farma ... as the company,s second affiliate in Latin America . ... ... Astellas Farma Colombia ... ...
(Date:6/23/2016)... 23, 2016  Guerbet announced today that it has ... Horizon Award . One of 12 suppliers ... for its support of Premier members through exceptional local ... and commitment to lower costs. ... of our outstanding customer service from Premier," says ...
Breaking Medicine Technology: