How cells control mitochondria

Errors in the metabolic processes of mitochondria are responsible for a variety of diseases such as Parkinson's and Alzheimer's. Scientists needed to find out just how the necessary building blocks are imported into the complex ...

The first frost is the deepest

The first frost of autumn may be grim for gardeners but the latest evidence reveals it is a profound event in the life of plants.

Key factor identified that makes worms feel full after a good meal

In nematode worms, a key controller allows the worm to sense when it needs food and when it feels full, and then changes its behavior accordingly. Jennifer Tullet of the University of Kent and colleagues report these new ...

The pressure sensor of the Venus flytrap

All plant cells can be made to react by touch or injury. The carnivorous Venus flytrap (Dionaea muscipula) has highly sensitive organs for this purpose: sensory hairs that register even the weakest mechanical stimuli, amplify ...

Imaging method reveals a 'symphony of cellular activities'

Within a single cell, thousands of molecules, such as proteins, ions, and other signaling molecules, work together to perform all kinds of functions—absorbing nutrients, storing memories, and differentiating into specific ...

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