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Molecular Biology News
Thu, 15 Mar 2018 14:12:32 EDT
New understanding of parasite biology might help stop malaria transmission
Researchers made an important step toward deeper understanding of how malaria blood stage parasites turn the switch to become transmissible to other humans. This knowledge is fundamental for future research aiming to interrupt malaria transmission.
Thu, 15 Mar 2018 14:12:10 EDT
Democratizing single-cell analysis
Scientists have developed a new low-cost technique for profiling gene expression in hundreds of thousands of cells.
Thu, 15 Mar 2018 14:07:21 EDT
How royal jelly helps honeybee larvae defy gravity and become queens
Honeybee larvae develop into queen bees if they are fed large quantities of a food called royal jelly. But royal jelly does more than determine whether a larva becomes a queen: it also keeps her safely anchored to the roof of the queen cell in which she develops. Research explains how the pH of royal jelly helps make the substance viscous enough to keep the queen-to-be from falling.
Thu, 15 Mar 2018 13:07:04 EDT
Scientists map the portal to the cell's nucleus
The gateway to cellular headquarters has 552 components. A new map that shows how all these pieces fit together could help scientists study numerous diseases.
Thu, 15 Mar 2018 12:29:43 EDT
Molecular basis of major antibiotic resistance transfer mechanism unraveled
One of the biggest current threats to global health is the rise of multi-drug resistant bacteria, caused by the spreading of antibiotic resistance amongst them. In an attempt to help fight this threat, researchers have unraveled the molecular basis of a major antibiotic resistance transfer mechanism. They also developed molecules and a proof-of-principle for blocking this transfer.
Thu, 15 Mar 2018 12:29:33 EDT
Biologists unravel another mystery of what makes DNA go 'loopy'
New research shows that a process known as hemimethylation plays a role in looping DNA in a specific way. Researchers also demonstrated that hemimethylation is maintained deliberately -- not through random mistakes as previously thought -- and is passed down through human cell generations.
Thu, 15 Mar 2018 12:29:18 EDT
How cells protect themselves against mechanical stress
The Piezo1 and Piezo2 ion channels are known to open up response to the slightest mechanical stimulus. Researchers have now discovered that the channels are also sensitive to changes in membrane voltage. The voltage sensitivity appears to be an ancient property of these channels that protects cells from mechanical stress.
Thu, 15 Mar 2018 09:38:24 EDT
Viral hideout: After infection, herpes lurks in nerve cells
The ability of the 'cold sore' herpes simplex virus to establish quiet infections and reawaken periodically has long mystified scientists. A new study in mice reveals that a key host protein acts as a critical regulator of the virus's sleep-wake cycle.
Thu, 15 Mar 2018 09:18:03 EDT
How fungi grow: A movie from inside the cell
Fungi forming mold on food are hazardous. Fungi supplying antibiotics are beneficial. Fungi may be harmful pathogens. On the other hand, they are used for the production of food or medicine and in bioengineering. In either case, it is required to precisely understand their growth mechanism. Researchers have now taken a big step forward: Using high-performance light microscopy, they watched mold fungi as they grew in the cell.
Thu, 15 Mar 2018 09:13:03 EDT
Keeping plant-cell motors on track
In a growing plant cell, motor proteins called kinesins work as transporters that haul materials built in one part of the cell to the place where they are needed. Now, biologists have discovered the molecular brakeman that holds kinesins in check until their cargo is needed.
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