Daily non-political popular news in brief.
Biting discovery: MU entomologist finds host of new aquatic insect species in Thailand
05-22-2007 · EurekAlert!While in Thailand, a University of Missouri-Columbia researcher found a treasure-trove of previously unknown information about aquatic insects in the country. In the process, he learned firsthand that a few of these little critters pack quite a punch when they bite.
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Keywords: biting, discovery, entomologist, host, aquatic, insect, species, thailand, specy
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- For the fruit fly, everything changes after sex
12-10-2007 · EurekAlert!
The females of many insect species change their behavior right after mating: mosquitoes look for a meal of fresh blood and flies begin to lay eggs. Researchers at the IMP managed to identify the molecular switches that are responsible for these behavioral changes. This could open up new possibilities to control agricultural pests or disease carriers. The science journal Nature reports on the discovery in its current online release.
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- Whirligig beetle gets rock 'n' roll legendary name
01-27-2008 · EurekAlert!
An unusual new species of whirligig beetle from India is being named Orectochilus orbisonorum in honor of the late rock 'n' roll legend Roy Orbison and his widow Barbara. Arizona State University entomologist Quentin Wheeler announced the description and discovery of the beetle species Jan. 25 at an Orbison Tribute concert.
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- Spanish ecologists discover a novel route of viral transmission
12-04-2007 · EurekAlert!
In a paper published in PLoS ONE on Dec. 5, a group of avian ecologists, led by Jaime Potti, at the Estación Biológica de Doñana-CSIC reports on the discovery that avian polyomaviruses, known potential pathogens producing disease in a number of vertebrate species, follow an 'upwards vertical' route of contagion throughout their studied host population of pied flycatchers, a small migrant songbird breeding in forests in central Spain near Madrid.
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- New light-sensing ability discovered in disease-causing bacteria
08-23-2007 · EurekAlert!
The bacteria that cause brucellosis can sense light and use the information to regulate their virulence. The discovery comes after 120 years of research into the disease, which causes abortions in livestock and fevers in humans. Researchers found that two other bacteria, including a species that attacks plants, sense light using the same type of protein structure, and at least 94 more species possess the code for it in their DNA.
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- 'Time-sharing' tropical birds key to evolutionary mystery
11-13-2007 · EurekAlert!
Whereas most birds are sole proprietors of their nests, some tropical species "time share" together -- a discovery that helps clear up a 150-year-old evolutionary mystery, says Queen's University biology professor Vicki Friesen.
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- Do we need a paradigm change? Disputing coevolution in herbivorous insects
04-10-2007 · EurekAlert!
It is commonly accepted that phytophagous beetles and their host plants (mainly the likewise speciose angiosperms or flowering plants) have radiated in concert since the origin of both groups in the early Cretaceous. Indeed, this is a textbook example of coevolution and a straightforward interpretation of the forces driving evolution and the rise of new species. However, a new study by Dr. Jesús Gómez-Zurita and collaborators challenges this view.
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- A salinity study in the Mobile Delta region
10-13-2006 · EurekAlert!
The Mobile Bay Causeway, creating a barrier between the fresher waters of the Delta and the saltier waters of the Gulf of Mexico, may have created persistent low salinity conditions that local conservationists believe have provided refuge for an exotic species of submerged aquatic vegetation, the Eurasian Milfoil (Myriophyllum spicatum) to survive in during periods when salinity is high throughout this estuary.
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- New species and new records of marine species discovered in NW Hawaiian Islands
10-30-2006 · EurekAlert!
A three-week scientific expedition to French Frigate Shoals in the Northwestern Hawaiian Islands Marine National Monument returned to Honolulu on Sunday with the discovery of many new species and a better understanding of marine biodiversity in the Hawaiian Archipelago. Over 100 new species records are expected from the French Frigate Shoals alone.
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- Wild gorillas carriers of a SIV virus close to the AIDS virus
11-13-2006 · EurekAlert!
An article in Nature on Thursday 9/11 reports the discovery of gorillas living in the wild in Central Africa infected with an HIV-1 related virus, called SIVgor, genetically close to an HIV-1 variant called group O. This discovery ask the crucial question on the source and route for infection of the gorillas. It broadens substantially the scope of research on the ability of these viruses to cross over from one species to another.
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- Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily
07-25-2007 · EurekAlert!
Carnegie Mellon University scientists have made an important discovery that helps to explain why HIV enters immune cells with ease. They found that after HIV docks onto a host cell, it dramatically lowers the energy required for a cell membrane to bend, making it easier for the virus to infect immune cells. The finding will provide vital data to conduct future computer simulations of HIV dynamics to help further drug discovery and prevent deadly infections.
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