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Molecular Biology News
Wed, 29 Jul 2015 08:59:22 EDT
Stressed out plants send animal-like signals
For the first time, research has shown that, despite not having a nervous system, plants use signals normally associated with animals when they encounter stress.
Tue, 28 Jul 2015 16:24:10 EDT
Sleepy fruitflies get mellow
Whether you're a human, a mouse, or even a fruitfly, losing sleep is a bad thing, leading to physiological effects and behavioral changes. Researchers used fruitflies to probe deeper into the cellular and molecular mechanisms that govern aggression and sleep and found that sleep deprivation reduces aggression in fruitflies and affects their reproductive fitness. They identified a related molecular pathway that might govern recovery of normal aggressive behaviors.
Tue, 28 Jul 2015 10:12:20 EDT
Fatty acid increases performance of cellular powerhouse
An entirely new control mechanism that regulates the function of mitochondria, the powerhouses of the cell, has been discovered by researchers. Surprisingly, a fatty acid is playing a key role in this process. The scientists have now reported that using fatty acid as a food additive improved disease symptoms in flies that suffer from Parkinson's-like symptoms due to dysfunctional mitochondria.
Mon, 27 Jul 2015 11:03:59 EDT
Possible path toward first anti-MERS drugs
If you haven't heard of Middle East Respiratory Syndrome, thank geography, NGOs, and government agencies like the Centers for Disease Control and Prevention and the World Health Organization (WHO) for keeping the new disease in check. In camels, which act as a reservoir for the causative coronavirus, the illness causes a runny nose; in humans, it causes a cough, fever, and, in 36 percent of cases, death, according to the WHO.
Mon, 27 Jul 2015 10:00:28 EDT
Trigger found for defense to rice disease
Biologists have discovered how the rice plant's immune system is triggered by disease, in a discovery that could boost crop yields and lead to more disease-resistant types of rice.
Mon, 27 Jul 2015 09:59:06 EDT
Single gene regulates Casparian strip formation
Researchers have identified the master switch for formation of the Casparian strip, a special structure in the root that plays an important role in nutrient uptake.
Mon, 27 Jul 2015 09:59:04 EDT
How to make chromosomes from DNA
Researchers have discovered a long-overlooked process important for converting a long, string-like DNA molecule into a chromosome. This finding gives us a better understanding of the mechanism of how cells store safely genetic material, DNA.
Mon, 27 Jul 2015 09:29:56 EDT
Why the Y in polar bears matters: For the first time, essential parts of the polar bear Y chromosome have been decoded
For the first time, scientists have reconstructed part of the male chromosome in polar bears. The scientists were able to assign 1.9 million base pairs specifically to the polar bear Y chromosome.They now show that more than 100,000 years ago, the male polar bear lineages split and developed in two separate genetic groups.
Fri, 24 Jul 2015 15:18:48 EDT
Unlocking the rice immune system
Researchers have identified a bacterial signaling molecule that triggers an immunity response in rice plants, enabling the plants to resist a devastating blight disease.
Fri, 24 Jul 2015 09:37:33 EDT
Toxin from salmonid fish has potential to treat cancer
Pathogenic bacteria develop killer machines that work very specifically and highly efficiently. Scientists have solved the molecular mechanism of a fish toxin that could be used in the future as a medication to treat cancer.
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