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Tag: "time" at biology news

Research shows cord blood comparable to matched bone marrow

...ropriately matched bone marrow donor, during which time their disease might return,” Wagner said. “For the first time, the timing of transplantation can be dictated by the patient’s needs as opposed to the availability of the matched bone marrow.” The research suggests that it will become more import...

'Lucky 13' as new gene discovery offers further hope for childhood blindness

... to Leber’s congenital amaurosis (LCA), comes at a time of hope for the people born with the disorder. Sci...f retinal degeneration. All in all its an exciting time for eye research and a very promising one for people with these conditions. This new result is anoth...

Researchers shed light on shrinking of chromosomes

... Molecular Biology Laboratory (EMBL) for the first time tracked chromosome condensation in mammalian cells over the entire course of cell division. In this week’s advanced online publication of Nature Cell Biology they report crucial new insights into timing, function and molecular basis of chromosome con...

Now, self-healing materials can mimic human skin, healing again and again

...y of Illinois, mimics human skin by healing itself time after time. The new materials rely upon embedded, three-dimensional microvascular networks that emulate biological circulatory systems. “In the same manner that a cut in the skin triggers blood flow to promote healing, a crack in these new materials...

Researchers examine carbon capture and storage to combat global warming

...permanent meaning very, very long-term, geological time periods.'' The greatest concern surrounding carbon dioxide storage is the potential for it to leak, researchers said. The most obvious worry, said Benson, is that leakage would lead to more global warming, defeating the purpose of storage in th...

Undergraduate research shows leaderless honeybee organizing

...he queen and to the rest of the colony that it was time to swarm and leave the hive. Later, they were able...ention the workers pay the queen – until it became time to go – to become airborne. Then they started interacting with her at very high rates, and performin...

Massive herds of animals found to still exist in Southern Sudan

... white-eared kob counted in the ’80s, which at the time was proclaimed one of the largest wildlife migrati...ear. Ironically, the silver lining to this violent time in Sudan has been the animals flourishing.” “Numerous threats in this post-war era face the regio...

Study shows lizard moms dress their children for success

...background. Aggressive orange males spend a lot of time in the open and need stripes to help them escape f... (suitable for an aggressive male spending lots of time in the open). Stripes were also induced in non-orange daughters. Both of these effects were inhibite...

Australian wins prestigious prize in biodiversity informatics

...d in top-tier scientific journals, but at the same time he builds software applications that are intuitive and maximize the user experience for both scientists and non-scientists. Flemons' Prize will go toward engaging a broader community in the establishment of standards for data and metadata that aris...

MU researchers to study the status of black bears in Missouri

...get lots of questions from citizens and media this time of year because bears are active and get into trouble, and we try to reassure the public that we are prepared to handle nuisance bears and protect their property. This pilot study should help us ask better research questions down the road. We don’t k...

Small, self-controlled planes combine plant pathology and engineering

...n have two aircraft sampling pathogens at the same time but at different altitudes.” Schmale has used the small, self-controlled planes to collect samples of the fungal genus Fusarium tens to hundreds of meters above the surface of the earth. This genus contains some of the world’s most devastating pla...

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

...er grade-point averages compared to those who make time for sleep, according to a research abstract that will be presented Wednesday at SLEEP 2007, the 21st Annual Meeting of the Associated Professional Sleep Societies (APSS). "Sleep in college students is generally inadequate, irregular and of poor qual...

Could fungal collection hold the key to new life-saving drugs?

...om natural sources. And although this is the first time SIDR has worked with fungal cultures, there are a number of prescription drugs deriving from metabolites produced by fungi that have been on the market for many years. These include immunosuppressive agents, antibiotics such as penicillin, lipid low...

Plants recognize their siblings, biologists discover

The next time you venture into your garden armed with plants, co...ur kin is common in animals, but this is the first time it has been shown in plants” said Susan Dudley, associate professor of biology at McMaster Universit...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...ht moment after entering the cell. "At the same time that the bacteria are breaking up this vesicle membrane, the cargo dislodges from the bacteria, which are both crucial steps in delivering this cargo," Akin said. The nanoparticles, which range in size from 40 to 200 nanometers - or billionths of ...

Herpes virus hijacks DNA repair process

...ost & Microbe. Scientists have known for some time that viral infection of cells activates the DNA damage response. But researchers had assumed that this activation occurred because repair mechanisms were mistaking replicating viral DNA for damaged or dysfunctional cellular DNA. "Viruses sometimes...

Marine phytoplankton changes form to protect itself from different predators

...up to 85 percent of local productivity during some time periods. This complex defensive behavior also shows how environmental factors can affect even simple organisms, Hay noted. Phaeocystis suppresses colony formation in the presence of chemical signals from copepods and remains as small, solitary...

Warning from Asian bees

...ast half a dozen times in the last decade. This time it’s a Javanese strain of the bee and because the latest incursion had lain undiscovered for at least three months, it is unknown how many more swarms might exist and how far afield they may have flown. Within a one kilometre radius from the first...

Research finds that circadian rhythms dominate all life functions

...can function in a synchronized manner, shifting in time against each other and working in what resembles a domino effect. However, very few genes are found to be oscillating in the same phases in different tissues or organs. In fact, only about 5 percent of all genes fall into the same phase or timing ...

Potent possibilities for parasite attack

... have been considerable evolutionary pressure over time to maintain the structure and sequence of the Leishmania genomes - the degree of similarity between these species was unexpected," explained Professor Deborah Smith, collaborator on this project at the University of York. "Perhaps only a few parasite...

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