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2137 matches found for "gene mutation"

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When calves grow too large in the womb

For a long time an increased growth of calves in the womb and associated consequences generated severe problems for breeders and scientists. Furthermore, many studies had proven that prenatal ...

Agricultural and Forestry Science | nachricht Read more
New research helps explain why bird flu has not caused a pandemic

The authors of the new study, from Imperial College London, the University of Reading and the University of North Carolina, USA, argue that it is very unlikely that two genetic mutations would occur a...

Health and Medicine | nachricht Read more
How Cells Tolerate DNA Damage – MDC Researchers Identify Start Signal for Cell Survival Program

Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit have shown that the protein PARP-1, which detects DNA damage within seconds, activates the transcription factor NF-kappaB, a well...

Life Sciences | nachricht Read more
Scientists put interactive flu tracking at public's fingertips

The researchers linked many powerful computer systems together to analyze enormous amounts of genetic data collected from all publicly available isolated strains of the H5N1 virus – the cause of avian...

Health and Medicine | nachricht Read more
Chromosomes dance and pair up on the nuclear membrane

Meiosis – the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell – is a major crossroads in all organisms reproducing sexually. Yet, how the cell preci...

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No-entry zones for AIDS virus

Like all retroviruses, the AIDS virus (HIV) integrates its DNA into the genome of the infected cell. As integration sites, HIV usually prefers active genes that are transcribed frequently. This is adv...

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Penn Study Provides First Clear Idea of How Rare Bone Disease Progresses

An international team of scientists, led by researchers at the University of Pennsylvania School of Medicine, is taking the first step in developing a treatment for a rare genetic disorder called fibr...

Studies and Analyses | nachricht Read more
A motley collection of boneworms

They were first discovered in 2002 by researchers at the Monterey Bay Aquarium Research Institute (MBARI), who were using a robot submarine to explore Monterey Canyon. But that wasn't the end of ...

Life Sciences | nachricht Read more
Why can't chimps speak?

If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not? Scientists suspect that part of the answer to the myste...

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Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

In other words, a biological specimen determined by traditional DNA testing to be 100,000 years old may actually be 200,000 to 600,000 years old, researchers suggest in a new report in Trends in Genet...

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Researching Growth-Regulation Proteins That Underlie Cancer

Paul Adams, assistant professor of chemistry and biochemistry, has received $108,000 over two years as part of the American Recovery and Reinvestment Act to hire two postdoctoral associates who will p...

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Now hear this: Mouse study sheds light on hearing loss in older adults

"Age-related hearing loss is a very common symptom of aging in humans, and also is universal among mammal species, and it's one of the earliest detectable sensory changes in aging," say...

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Bacteria Expect the Unexpected

Organisms ensure the survival of their species by genetically adapting to the environment. If environmental conditions change too rapidly, the extinction of a species may be the consequence. A strateg...

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UM Scientists Create Fruit Fly Model to Help Unravel Genetics of Human Diabetes

While sedentary lifestyles and diets high in sugar and fat contribute significantly to the rise in diabetes rates, genetic factors may make some people more vulnerable than others to developing diabet...

Life Sciences | nachricht Read more
Is the disorder that causes dementia hereditary?

The brain disorder, called frontotemporal dementia, is formerly known as Pick's disease and destroys parts of the brain, leading to dementia, including problems with language or changes in behavi...

Studies and Analyses | nachricht Read more
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