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The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

A novel high-tech microscope will be brought to the marketplace, giving laboratories everywhere fascinating new insights into living organisms. EMBLEM Technology Transfer GmbH (EMBLEM), the commercial entity of the European Molecular Biology Laboratory (EMBL), announced today that it has signed a licensing deal with technological leader Carl Zeiss to commercialize a new technology called SPIM (Se...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

State Health Commissioner Antonia C. Novello, M.D., M.P.H., Dr.P.H., today announced the expansion of New York State's HIV/AIDS Public Awareness and Education campaign to help combat the potential spread of HIV and further protect New Yorkers from the virus that causes AIDS. .. Dr. Novello said, "In light of recent reports of a drug-resistant, rapidly progressive strain of HIV in New York City, w...

Survey reveals women and doctors aren't talking about HPV

Eighty-eight percent of women rely on their healthcare providers to learn about gynecological issues, yet only 19 percent said their doctor has talked to them about cervical cancer and its cause - the human papillomavirus (HPV) - according to a new survey released by the Association of Reproductive Health Professionals (ARHP). HPV is extremely common, affecting an estimated 80 percent of sexually...

Divergent mating systems and parental conflict as a barrier to hybridization in flowering plants

Sexual reproduction can be thought of as a cooperative process in which two individuals come together to produce a new individual. It can also be viewed as a process in which two parties with differing interests, investment, and background interact to produce a new individual. From the former perspective, parental interests are unified (both wish to produce vigorous offspring), while the latter s...

Parents need to be educated about HPV vaccinations for daughters

London, UK: Parents of young girls may soon be offered the opportunity to have their daughters immunised against a sexually transmitted virus that is the major cause of cervical cancer, the 4th International Conference on Teenage and Young Adult Cancer Medicine heard today (Thursday 30 March). . Professor Henry Kitchener told the conference, organised by the Teenage Cancer Trust charity, that pro...

African amphibians make extreme parental sacrifice: The skin off their backs

Just as baby mammals depend on their mothers' milk, the young of the African amphibian Boulengerula taitanus nourish themselves by stripping off and eating the fat-rich outer layer of their mothers' skin, according to an international team of researchers that includes University of Michigan biologist Ronald Nussbaum. . .. Hatchlings of B. taitanus---a legless amphibian that looks something like a...

Scientists discover why cornea is transparent and free of blood vessels, allowing vision

Scientists at the Harvard Department of Ophthalmology's Schepens Eye Research Institute and Massachusetts Eye and Ear Infirmary (MEEI) are the first to learn why the cornea, the clear window of the eye, is free of blood vessels--a unique phenomenon that makes vision possible. The key, say the researchers, is the unexpected presence of large amounts of the protein VEGFR-3 (vascular endothelial gro...

When it comes to gene transcription, random pauses aren’t quite so random, study finds

Of the thousands of proteins produced in our cells, few are as important as the enzyme RNA polymerase (RNAP), which has the unique ability to faithfully copy genetic information from DNA. In fact, all organisms--from bacteria to people--depend on RNAP to initiate the complex process of protein synthesis. Despite its crucial role in cell biology, fundamental questions remain about how the RNAP enz...

Proteins as parents

So that we can move, and so that our heart beats, we need proteins with special mechanical properties, "molecular springs", which give our tissues the necessary strength and take care of elasticity and tensibility. Such proteins are also interesting as building blocks for novel high-tech materials because the natural materials often outperform the artificial: One only has to think about the highl...

Newborn screening can cause unnecessary parental stress

Virtually all babies in the U.S. have their heels pricked soon after birth to get a blood sample for genetic testing. These "heel stick" tests identify rare metabolic disorders before they cause irreversible damage, but as more disorders are added to the screening ?many states now test for 30 or more ?false-positive results are on the rise. In the June issue of Pediatrics, researchers from Childr...

Embryo tests give parents the choice

MORE than 40 per cent of fertility clinics in the US are allowing couples to choose the sex of their child, a survey conducted by the Genetics and Public Policy Center (GPPC) in Washington DC suggests. The testing method, called preimplantation genetic diagnosis (PGD), was originally designed to test for severe or deadly diseases such as Tay-Sachs. It is typically performed by removing a cell fro...

Parental genes do what's best for baby

A molecular ‘battle of the sexes?long considered the major driving force in a baby’s development is being challenged by a new genetic theory of parental teamwork. . .. .. “When we are con...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

A new technology for measuring blood oxygen levels of a baby during labor--expected to provide information useful for preventing birth complications--offers no apparent benefit, report researchers in a National Institutes of Health research network. . The technology, known as fetal oxygen saturation monitoring, was designed for use along with electronic fetal monitoring, which tracks the fetal he...

'Empty nester' parent birds use recruitment calls to extend offspring care

By studying a habituated population of pied babblers (Turdoides bicolor) in the Kalahari Desert, researchers have discovered a surprising new way in which parent birds can extend the period of their care of offspring. The findings are reported by Andrew Radford of the University of Cambridge and Amanda Ridley of the University of Cape Town and appear in the September 5th issue of Current Biology,...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

Researchers at the University of Pennsylvania School of Veterinary Medicine have derived uniparental embryonic stem cells - created from a single donor's eggs or two sperm - and, for the first time, successfully used them to repopulate a damaged organ with healthy cells in adult mice. Their findings demonstrate that single-parent stem cells can proliferate normally in an adult organ and could p...

Why aren't humans furry? Stone-Age moms could be the answer

Medical Hypotheses, an Elsevier publication, has announced the winner of the 2006 David Horrobin Prize for medical theory. Written by Judith Rich-Harris, author of The Nurture Assumption and No Two Alike, the article, "Parental selection: a third selection process in the evolution of human hairlessness and skin color" was judged to best embody the spirit of the journal. The £1,000 prize, launched...
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Breaking Biology News(10 mins):Engineering new bone growth 2Engineering new bone growth 3Moving single cells around -- accurately and cheaply 2San Antonio Life Sciences Institute awards $750,000 to innovators 2San Antonio Life Sciences Institute awards $750,000 to innovators 3
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