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Cell Biology News
Fri, 24 Feb 2017 11:18:16 EST
More virus infection, please
Scientists have generated a new plasmid-based reverse genetics system for rotaviruses.
Fri, 24 Feb 2017 11:17:52 EST
How proteins reshape cell membranes
Small 'bubbles' frequently form on membranes of cells and are taken up into their interior. The process involves EHD proteins. Scientists have now shed light on how these proteins assemble on the surface of a cell and reshape its membrane.
Fri, 24 Feb 2017 11:11:36 EST
Researchers detail genetic mechanisms that govern growth and drought response in plants
Research outlines how the genetic pathways that govern growth and stress response in plants sometimes clash. The research could lead to better performing crop varieties.
Thu, 23 Feb 2017 14:47:29 EST
SARS and MERS: What’s Next?
It may be difficult to remember now, but when SARS was first recognized in February 2003, people were scared. This heretofore unknown disease was killing people—nearly 10 percent of those infected with what came to be recognized as the SARS-associated coronavirus. Before the end of the year, cases were reported in 29 countries.
Thu, 23 Feb 2017 12:43:13 EST
New link found between sex and viruses
Sexual reproduction and viral infections both rely on a functionally identical protein, according to new research. The protein enables the fusion of two cells, such as a sperm cell and egg cell, or the fusion of a virus with a cell membrane. The discovery suggests that the protein evolved early in the history of life on Earth, and new details about the protein's function could help fight parasitic diseases such as malaria.
Thu, 23 Feb 2017 10:20:28 EST
Viruses support photosynthesis in bacteria
Viruses propagate by infecting a host cell and reproducing inside. This not only affects humans and animals, but bacteria as well. This type of virus is called bacteriophage. They carry so called auxiliary metabolic genes in their genome, which are responsible for producing certain proteins that give the virus an advantage. Researchers have analyzed the structure of such a protein more closely. It appears to stimulate the photosynthesis of host bacteria.
Thu, 23 Feb 2017 10:18:47 EST
Mathematics supports a new way to classify viruses based on structure
Scientists have found new evidence to support a classification system for viruses based on viral structure.
Thu, 23 Feb 2017 10:18:43 EST
Stingless bees have their nests protected by soldiers
Although stingless bees do not have a sting to fend off enemies, they are nonetheless able to defend their hives against attacks. Only four years ago it was discovered that a Brazilian bee species, the Jatai bee, has a soldier caste. The slightly larger fighters guard the entrance to the nest and grip intruders with their powerful mandibles in the event of an attack. Now researchers have identified four further species which produce a special soldier caste to defend their nests.
Wed, 22 Feb 2017 21:53:34 EST
The value of nutrition and exercise, according to a moth
How can animals that feed mostly on sugar embark on migrations spanning continents? What looked like flawed scientific data led to an unexpected discovery, thanks to the tenacity of a group of biologists.
Wed, 22 Feb 2017 14:58:02 EST
Scientists decipher the nanoscale architecture of a beetle's shell
A professor of mechanical and materials engineering has found a way to analyze the fibrous nanostructure of a beetle's lightweight but durable shell.
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