Related topics: cells · cancer

Convergent mechanism of aging discovered

Several different causes of aging have been discovered, but the question remains whether there are common underlying mechanisms that determine aging and lifespan. Researchers from the Max Planck Institute for Biology of Ageing ...

Ethylene of no effect: Why peppers do not mature after picking

(Phys.org) -- The plant hormone ethylene lets green tomatoes ripen even after the harvest, whereas the closely related chili peppers show no such effect. Researchers from the Max-Planck-Institute of Molecular Plant Physiology ...

Why fruit flies eat practically anything

Say hello to the common fruit fly: a regular guest in most homes, feasting on that banana peel you tossed into the garbage a few days ago.

Control theory: Mother nature is an engineer

In the last 150 years, engineers have developed and mastered ways to stabilize dynamic systems, without lag or overshoot, using what's known as control theory. Now, a team of University of Arizona researchers has shown that ...

A new role for cytokinin plant hormones

When plants, including crops, are exposed to environmental stresses such as drought or high salinity, abscisic acid (ABA), a stress-responsive hormone is synthesized to induce a protective response. At the same time, the ...

New technique switches key biomolecules on and off

A new technique that will allow scientists to determine the effects of turning on and off a set of molecules involved in almost every cellular pathway, determine their downstream effects, and uncover new drug targets has ...

Blueprint for plant immune response found

Washington State University researchers have discovered the way plants respond to disease-causing organisms, and how they protect themselves, leading the way to potential breakthroughs in breeding resistance to diseases or ...

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