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Empowering Flowering |
| Section: NATURAL SCIENCE / AT THE EDGE |
| Author: Ryan Andrews |
| Publication: The world & I online |
| Issue Date: 2/1/1996 |
| Size: 2,538 Words, 16,665 Characters |
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In most cultures, flowers are synonymous with beauty. But what factors control their formation and their stunning hues and shapes? In their capacity as reproductive units, they have enabled flowering plants to successfully populate the earth for over 100 million years. And today they can be observed in incredible variety on hundreds of thousands of species. Until recently, however, the molecular agents that regulate their production have been largely unknown.
Back in the mid-1800s, the Austrian monk Gregor Mendel performed a series of now-famous experiments in which he crossed different types of garden pea plants. In the process, he found that some of their traits were controlled by discrete, heritable units whose transmission from parents to offspring seemed to follow certain rules. Th...
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...e roles that LFY and AP1 play in flower development in Arabidopsis, and they hope to adapt this technology to other plant species. Much research needs to be done before one can go to the supermarket and purchase a juicy, LFY-induced tomato or a vibrant, AP1-induced chrysanthemum, but the discovery of the role of these two "master genes" has shed new light on the mysterious world of flowering.
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