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Cell Biology News
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 17:37:10 EDT
Imaging of scar tissue formation
Organs respond to injuries with the formation of new fibrous tissue, which can result in scarring. This process called fibrogenesis can now be monitored noninvasively on a molecular level, as scientists report. They have created a new gadolinium-based probe for magnetic resonance imaging that specifically reports the proteins involved in fibrogenesis. The imaging method may provide a quantitative assessment of the formation of the potentially harmful scar tissue.
Wed, 19 Jul 2017 15:41:08 EDT
A common underlying genetic basis for social behavior in dogs and humans
Scientists have identified genetic changes that are linked to dogs' human-directed social behaviors and suggest there is a common underlying genetic basis for hyper-social behavior in both dogs and humans.
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 11:33:51 EDT
New target for chronic pain identified
Discovery of a phosphorylation event outside of the cell offers a new avenue for targeting chronic and pathologic pain, a new study reports.
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.
Wed, 19 Jul 2017 08:47:55 EDT
Silk 'micrococoons' could be used in biotechnology and medicine
Microscopic versions of the cocoons spun by silkworms have been manufactured by a team of researchers. The tiny capsules, which are invisible to the naked eye, can protect sensitive molecular materials, and could prove a significant technology in areas including food science, biotechnology and medicine.
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