Modern biology has attained deep knowledge of how cells work, but the mechanisms by which cellular structures assemble and grow to the right size largely remain a mystery. Now, Princeton University researchers may have found the key in a dynamic agglomeration of molecules inside cells.
With the aid of X-ray crystallography, researchers have revealed the structures of two closely related enzymes that play essential roles in the body's ability to metabolize excess lipids, including cholesterol.
Bacteria that talk to one another and organize themselves into biofilms are more resistant to antibiotics. Researchers are now working to develop drugs that prevent bacteria from communicating. The aim is to find alternatives to antibiotics and reduce the number of antibiotic-resistant bacteria.
How can a humpback whale and a device that works on the same principle as the clicker that starts your gas grill help an unmanned aerial vehicle (UAV) fly longer and with more stability? Well, it all starts with biological structures called tubercles that the whale uses for its unique maneuvers in the ocean.
Unable to move and facing starvation, bacteria evolved a new way to activate their flagellum - a rotating tail-like structure which acts like an outboard motor - by patching together a new genetic switch with borrowed parts.
How do you keep an artificial limb attached to the body? What lab-grown organ have scientists successfully transplanted into patients? You can find the answer to these questions and many more while playing Want to Be a Bioengineer? a game for middle and high school students.
A team of scientists has succeeded in generating mature, functional skeletal muscles in mice using a new approach for tissue engineering. The scientists grew a leg muscle starting from engineered cells cultured in a dish to produce a graft. The subsequent graft was implanted close to a normal, contracting skeletal muscle where the new muscle was nurtured and grown.
University of Tokyo researchers have developed a novel selective catalyst that allows the creation of several basic chemicals from biomass instead of petroleum. This discovery may lead to the use of plant biomass as a basic feedstock for the chemical industry.