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Microbiology News
Sat, 01 Aug 2015 08:26:49 EDT
There may be a complex market living in your gut
Conventional theories used by economists for the past 150 years to explain how societies buy, sell, and trade goods and services may be able to unlock mysteries about the behavior of microbial life on Earth, according to a study.
Fri, 31 Jul 2015 18:26:48 EDT
How bees naturally vaccinate their babies
When it comes to vaccinating their babies, bees don't have a choice -- they naturally immunize their offspring against specific diseases found in their environments. Now for the first time, scientists have discovered how they do it. This opens the door for researchers to develop the first-ever vaccine for insects. This is particularly important for bees since they help keep fruit, nuts and vegetables in our diets and have been declining in numbers for six decades.
Fri, 31 Jul 2015 10:52:40 EDT
Starvation effects handed down for generations
Starvation early in life can alter an organism for generations to come, according to a new study in nematodes. The epigenetic effects are a 'bet-hedging strategy.' Famine survivors are smaller and less fertile, and they acquire a toughness that lasts at least two generations. The mechanism of the epigenetic inheritance has not been identified, however.
Fri, 31 Jul 2015 10:36:59 EDT
RNA-binding protein influences key mediator of cellular inflammation, stress responses
RNA-binding proteins such as RC3H1 regulate the degradation of the mRNA molecules and thus prevent the production of specific proteins. Researchers have now shown that ROQUIN binds several thousand mRNA molecules. They demonstrated that ROQUIN also influences the gene regulator NF-kappaB, a key mediator of cellular inflammation and stress responses.
Thu, 30 Jul 2015 17:26:05 EDT
Cell aging slowed by putting brakes on noisy transcription
Working with yeast and worms, researchers found that incorrect gene expression is a hallmark of aged cells and that reducing such “noise” extends lifespan in these organisms.
Thu, 30 Jul 2015 17:23:51 EDT
Research could lead to protective probiotics for frogs
In research that could lead to protective probiotics to fight the 'chytrid' fungus that has been decimating amphibian populations worldwide, researchers have grown bacterial species from the skin microbiome of four species of amphibians.
Thu, 30 Jul 2015 17:23:46 EDT
Research spotlights a previously unknown microbial 'drama' playing in the Southern Ocean
A team of marine researchers has discovered a three-way conflict raging at the microscopic level in the frigid waters off Antarctica over natural resources such as vitamins and iron. The competition has important implications for understanding the fundamental workings of globally significant food webs of the Southern Ocean, home to such iconic Antarctic creatures as penguins, seals, and orcas.
Thu, 30 Jul 2015 16:28:38 EDT
Root radar: How parasitic plants know when to attack
Researchers have discovered how parasitic plants evolved the ability to detect and attack their hosts. Their findings could lead to new techniques to control the thieving weeds.
Thu, 30 Jul 2015 13:07:31 EDT
How a single molecule turns one immune cell into another
All it takes is one molecule to reprogram an antibody-producing B cell into a scavenging macrophage. This transformation is possible, new evidence shows, because the molecule (C/EBPa, a transcription factor) 'short-circuits' the cells so that they re-express genes reserved for embryonic development.
Thu, 30 Jul 2015 11:10:43 EDT
Evolutionary war between microorganisms affecting human health, biologist says
Health experts have warned for years that the overuse of antibiotics is creating 'superbugs' able to resist drugs treating infection. Now scientists have found evidence that an invisible war between microorganisms may also be catching humans in the crossfire.
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