Scientists uncover how immune cells sense who they are

Scientists at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), a part of the National Institutes of Health, have demonstrated that DNA previously thought to be "junk" plays a critical role ...

Virus exploitscellular waste disposal system

ETH Zurich researchers demonstrate how vaccinia virus manipulates the cellular waste-disposal system and thereby cleverly tricks the cell into assisting the intruders replication. Now, the virologists have turned the tables, ...

Study investigates aquatic parasites on fish

Researchers in the Czech Republic, Spain and the United Kingdom have successfully identified the cellular components and mechanisms that play a role in the proliferation of myxozoa, tiny aquatic parasites responsible for ...

How muscle cells seal their membranes

Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, disturbs ...

Weightlessness weighs heavy on genes -- a fly's perspective

On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts ...

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