A study at the University of Cordoba shows how algae produce auxin, a plant hormone, opening a path of communication with ...

When activated, this switch can influence where in a cell the transporter PIN1, and subsequently the growth hormone auxin, ...

The latest federal import data shows a dramatic swing from four countries whose U.S. solar imports are targeted by trade ...

Just like phototropism, gravitropism is also caused by an unequal distribution of auxin. When a stem is placed horizontally, the bottom side contains more auxin and grows more - causing the stem ...

In a stem, the cells on the shaded side contain more auxin and grow longer than the cells on the light side. This causes the stem to grow towards the light. It is vital to note that the plant does ...