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Apr 9, 2009
The algae floating in the sea are microscopic plants of great consequence on a global level. They conduct a big chunk of the world's photosynthesis (turning sunlight into chemical energy); they control the carbon cycle (taking in carbon dioxide from the atmosphere and locking it away), and they form the base of the ocean's food pyramid, allowing other plants and animals to flourish.
To gain a better understanding of how algae do all this, a large team of scientists led by the U.S. Department of Energy Joint Genome Institute and the Monterey Bay Aquarium Research Insitute (MBARI) have unraveled the genetic code of two Micromonas algae: one from the South Pacific and one from the English Channel. The tiny plants, just two micrometers in diameter or roughly 1/50th the width of a human hair, boast genomes containing approximately 10,000 genes.
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