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Iron Deficiency Sparks Dramatic Changes In Gene Expression

Researchers at Duke University Medical Centerhave demonstrated for the first time what happens inside a cell when itis deprived of the essential nutrient iron. Iron is found abundantly inred meats, shellfish dried fruits, whole grains, spinach, seeds andother foods.Their study in yeast cells demonstrated that iron-starved cellspreserve the little iron they possess by shutting down the major...

After the yeast is gone bacteria continue to develop flavor of sparkling wine

Researchers at the University of Barcelona, Spain, show for the first time that bacteria, in addition to yeast, are involved in the secondary fermentation of the sparkling wine known as Cava. They report their findings today at the 105th General Meeting of the American Society for Microbiology. "Bacteria found in Cava samples could have a distinctive impact upon sparkling wine quality in t...

Stressed cells spark DNA repair missteps and speed evolution

When Dr. Susan Rosenberg, professor of molecular and human genetics at Baylor College of Medicine, first published her finding that the mutation rate increased in bacteria stressed by starvation, sometimes resulting in a rare change that benefited the bacteria, it was controversial. In a report in the current issue of the journal Molecular Cell, she and her colleagues describe not only how...

Female butterflies go for sparkle -- not size -- when choosing to mate

Size doesn't matter, at least not the size of the eyespots on a male butterfly's wings when female butterflies consider potential mates. The research, to be published onli...

Molecular mechanism may explain how fevers spark seizures

It's one of those unavoidable facts of life -- kids get sick and have fevers. Usually, those elevated internal temperatures cause only temporary discomfort, but in some small children they spark convulsions called "febrile seizures." These convulsions are "scary and very upsetting to parents," said Robert L. Macdonald, M.D., Ph.D., professor and chair of Neurology. They've also been somet...

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Does Milwaukee need a life-science spark?

Mascari, director of development for , sa...

Notion of bandwidth spedometers for DSL, cable sparks controversy

Is the advertised high-speed Internet access you're paying for actually what you're receiving? Two weeks ago, the simple issue of whether DSL and high-speed cable providers should supply bandwidth speedometers to customers got many people talking nationwide, writes adjunct Northwestern professor James Carlini. Since this topic was suggested, quite a bit of feedback rolled in on a DSL Rep...

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Youth Smoking Sparked By Multiple Factors: Study

Youth smoking is sparked by multiple factors, such as smoking parents or friends, dropping out of high school and smoking at a young age//. A study based on a national sample of more than 14,000 young adults 21.8 years old on average found many common factors contribute to smoking among youth. Depression, for example, increases a young person's risk of becoming a smoker, as does finding...

Discrimination of gays sparks protest in students!

Students are protesting against the ban put on gay men to donate blood in Aberdeen. Students of the Robert Gordon University expressed the desire that they wanted the ban overturned. They also// warned that the current situation perpetuates myths about gay men that are now defunct. As part of the protest, students will hand out cards asking heterosexual young people to give...

Sexlessness in Japan may spark a population crisis

Japan's dwindling population has got the country's planning association all worked up. With the fertility rate at dismal levels averaging at 1.25 children per woman//, demographers are pressing the need of 2.1 children per woman to maintain the requisite population. A survey conducted by the Family Planning Association revealed that 31 percent of the16- to 49-years-olds did not indul...

Remarks Linking Inbreeding And Diabetes Sparks of Controversy

After a research showed that more than 345 youngsters suffered from type1diabetes in Norfolk, more than double the160 predicted cases for the county, Dr Ian Gibson,// a former chairman of the Commons Science and Technology Committee, said in an interview that inbreeding might be the reason behind it sparking off a controversy. He said: "I would imagine it is linked to the fact that pe...

Hong Kong - HIV Test Shock Sparks Warning

Hong Kong's Department of Health urges people with history of unprotected sex to have an HIV test, as they fear a rapid local HIV transmission.// The announcement being the first case of such magnitude in the territory. Health officials, on Thursday uncovered two clusters of HIV infections, HIV-1 subtype B, turned up during analysis of blood samples by government scientists. They said t...

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