By this definition, stem cells are particularly important for plant growth, because virtually all tissues of the plant descend from small groups of stem cells located in their growing apices ...

If stem cells were able to multiply uncontrollably, this would lead to uncontrolled growth, as in the case of cancer. WOX5 is an important signaling molecule that regulates stem cells in the meristem.

For example bone marrow stem cells only form different types of blood cells. Plants have stem cells too. They're found at the meristems, the growing tips of the roots and the shoots. The big ...

UW-Madison researchers discovered that in the absence of photoreceptor cry1 Arabidopsis plants grow significantly taller.