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Molecular Biology News
Fri, 03 Jul 2015 07:26:18 EDT
Stopping Candida in its tracks
Scientists are one step closer to understanding how a normally harmless fungus changes to become a deadly infectious agent.
Thu, 02 Jul 2015 15:25:26 EDT
Unexpected enzyme may resurrect roses' fading scents
Researchers working with roses have identified an enzyme which plays a key role in producing the flowers' sweet fragrances.
Thu, 02 Jul 2015 15:12:55 EDT
Prion trials and tribulations: Finding the right tools and experimental models
Prions are fascinating, enigmatic, and might teach us not only about rare prion diseases like Creutzfeld-Jakob disease, mad cow disease, or scrapie, but also about other more common neurodgenerative diseases. Two studies report progress with novel tools and paradigms to study prion disease.
Thu, 02 Jul 2015 13:22:59 EDT
What bee-killing mites can teach us about parasite evolution
An infestation of speck-sized Varroa destructor mites can wipe out an entire colony of honey bees in two to three years if left untreated. Pesticides help beekeepers rid their hives of these parasitic arthropods, which feed on the blood-like liquid inside of their hosts and lay their eggs on larvae, but mite populations become resistant to the chemicals over time.
Thu, 02 Jul 2015 13:17:57 EDT
First comprehensive analysis of the woolly mammoth genome completed
The first comprehensive analysis of the woolly mammoth genome reveals extensive genetic changes that allowed mammoths to adapt Arctic life, including skin and hair development, insulin signaling, fat biology, and even traits such as small ears and short tails. A mammoth gene for temperature sensation was resurrected in the lab as a functional test.
Thu, 02 Jul 2015 07:36:05 EDT
Nanospiked bacteria are the brightest hard X-ray emitters
In a scientific breakthrough, researchers have fashioned bacteria to emit intense, hard X-ray radiation. They show that irradiating a glass slide coated with nanoparticle doped bacteria, turns the cellular material into hot, dense plasma, making this a useful table top X-ray source with several potential applications.
Wed, 01 Jul 2015 14:06:50 EDT
Amazing light-manipulating abilities of squid
Perhaps not the brightest of cephalopods, the California market squid (Doryteuthis opalescens) has amazing light-manipulating abilities.
Wed, 01 Jul 2015 13:33:48 EDT
Human-like 'eye' in single-celled plankton: Mitochondria, plastids evolved together
Scientists have peered into the eye-like structure of single-celled marine plankton called warnowiids and found it contains many of the components of a complex eye.
Wed, 01 Jul 2015 13:19:58 EDT
Discovery of nanotubes offers new clues about cell-to-cell communication
When it comes to communicating with each other, some cells may be more "old school" than was previously thought. Certain types of stem cells use microscopic, threadlike nanotubes to communicate with neighboring cells, like a landline phone connection, rather than sending a broadcast signal.
Wed, 01 Jul 2015 08:28:34 EDT
Advantage: Youth: Fish fin regenerative capability reduced during aging
Regenerative processes are the reason why wounds can heal and injured tissues can regrow. Some flatworms, salamanders and fishes even have the ability to completely rebuild whole bodily parts. In contrast, the regenerative capability of humans is quite limited and decreases upon aging. Researchers have now found that also in the short-lived killifish Nothobranchius furzeri, the regenerative capability to rebuild its caudal fin heavily lessens in old age.
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