New research reveals how genes turn on and off

Yeast, that simple organism essential to making beer and bread, has revealed for Cornell University researchers a key mechanism in how genes are controlled.

Study reveals how the ovarian reserve is established

Fertility is finite for mammalian females. From birth, females possess a limited number of primordial follicles, collectively called the ovarian reserve. Within each follicle is an oocyte that eventually becomes an egg. But ...

How calcium ions get into the cellular power stations of plants

Calcium is a very special nutrient. In the cells of most living beings calcium ions function as so-called second messengers to transmit important signals. The same applies equally to animal, plant and fungal cells. Through ...

New DNA computer assesses water quality

Northwestern University synthetic biologists have developed a low-cost, easy-to-use, hand-held device that can let users know—within mere minutes—if their water is safe to drink.

Molecular compass for cell orientation

Plants have veins that transport nutrients throughout their whole body. These veins are organized in a highly ordered manner. The plant hormone auxin travels directionally from cell-to-cell and provides cells with positional ...

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