Gene manipulation using algae could grow more crops with less water

Enhanced photosynthesis holds promise of higher yields in a drought-afflicted future

Tobacco plants have been modified with a protein found in algae to improve their photosynthesis and increase growth, while using less water, in a new advance that could point the way to higher-yielding crops in a drought-afflicted future.

The technique focuses on photosynthesis, the complex process by which plants are able to use sunlight and carbon dioxide to produce nutrients that fuel their growth. Enhancing photosynthesis would produce huge benefits to agricultural productivity, but the complexities of the process have stymied many past attempts to harness it.