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Microbiology News
Thu, 20 Jul 2017 13:31:07 EDT
Cow antibodies yield important clues for developing a broadly effective AIDS vaccine
The elicitation of powerful, HIV-blocking antibodies in cows in a matter of weeks -- a process that usually takes years in humans -- has now been described by researchers. The unexpected animal model is providing clues for important questions at a moment when new energy has infused HIV vaccine research.
Thu, 20 Jul 2017 13:31:01 EDT
Scientists discover combined sensory map for heat, humidity in fly brain
Neuroscientists now can visualize how fruit flies sense and process humidity and temperature together through a 'sensory map' within their brains, according to new research. The findings could one day help researchers better understand how the human brain simultaneously processes humidity and temperature and might influence how humans control for mosquitoes in cities and prevent mosquito-borne diseases.
Thu, 20 Jul 2017 10:31:31 EDT
Grasslands restoration is working in the soil, too
A new study finds that tallgrass prairie restoration at a large Illinois preserve is working at a foundational level -- in the soil. Bacteria in the soil are recolonizing and recovering on their own to resemble soil found in remnant prairies. The study shows that a carefully managed restoration can produce successes even beyond easily-recognized plant and animal biodiversity.
Thu, 20 Jul 2017 09:53:18 EDT
In frogs, preventing early-life gut microbiome disruptions leads to better health
Biologists have found that a crucial window in the development of tadpoles may influence a frog's ability to fight infectious diseases as an adult. The scientists showed that an early-life disruption of the gut and skin bacterial communities of tadpoles later affects the adult frogs' ability to fight off parasitic gut worms.
Wed, 19 Jul 2017 13:23:20 EDT
New way cells turn off genes
For some developmental genes one allele must stay silent, otherwise debilitating syndromes and cancers can arise. Scientists have now uncovered a new imprinting mechanism cells use to keep these genes quiet in mice.
Wed, 19 Jul 2017 13:22:35 EDT
Indestructible virus yields secret to creating incredibly durable materials
It lives in boiling acid that dissolves flesh and bone. Now scientists have unlocked the secrets of the indestructible virus, potentially allowing them to harness its remarkable properties to create super-durable materials and better treat disease.
Wed, 19 Jul 2017 11:33:25 EDT
New animal models for hepatitis C could pave the way for a vaccine
In the rats that roam New York City's streets and tunnels, scientists have found a virus that resembles hepatitis C. They have used it to create the first animal model of the human disease, a breakthrough that potentially could yield a much-needed vaccine.
Wed, 19 Jul 2017 09:22:24 EDT
Making chicken feathers
Does each cell in the embryo have a genetically predetermined fate, or are cell interactions important? Researchers have, for the first time, linked the two, showing how the tug of war between cells in the developing skin mobilizes a protein that triggers a genetic program to differentiate into a specific cell type, a feather follicle. This could provide tips on how to make more realistic artificial skin, with hairs and sweat glands.
Wed, 19 Jul 2017 09:21:44 EDT
Parasitic worms may lead to agricultural stem cell breakthrough
A plant parasitic nematode is a pest that parasitizes the roots of agricultural crops and creates nests called 'galls' which deprive plants of nutrition. Research on plant reactions to parasitic worms shows that parasitism activates plant stem cells which grow to form galls on their roots. This finding is expected to improve crop breeds and alleviate nematode damage, which is estimated to cost hundreds of billions of dollars each year worldwide.
Wed, 19 Jul 2017 08:49:05 EDT
Massive simulation shows HIV capsid interacting with its environment
It took two years on a supercomputer to simulate 1.2 microseconds in the life of the HIV capsid, a protein cage that shuttles the HIV virus to the nucleus of a human cell. The 64-million-atom simulation offers new insights into how the virus senses its environment and completes its infective cycle.
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