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Tapping into plants is the key to combat climate change
by Staff Writers
London UK (SPX) Jun 06, 2011

File image.

Understanding the way plants use and store light to produce energy could be the key ingredient in the fight against climate change, a scientist at Queen Mary, University of London says.

Professor Alexander Ruban from Queen Mary's School of Biological and Chemical Sciences has been studying the mechanisms behind photosynthesis, a process where plants use sunlight and carbon dioxide to produce food and release oxygen, for 30 years.

In a recent article published in Energy and Environmental Science, he analyses the complex mechanism by which higher plants* absorb and store sunlight, the antenna of photosystem II.

"The photosynthetic antenna absorbs the sunlight used in the process of photosynthesis. It is an incredibly efficient mechanism, enabling not only the absorption and storage of sunlight, but also acting as a protective shield to ensure the plant absorbs just the right amount needed," he explains.

"If we can somehow harness the capabilities of this magnificent mechanism and adapt these findings for the benefit of solar energy, our fight against climate change could become a whole lot easier."

Professor Ruban, along with colleagues Dr Matthew Johnson and Dr Christopher, took a closer look at the mechanics behind the scenes which enable plants to absorb sunlight.

"Plants have a remarkable ability to adapt to environmental changes around them. The antenna structure in vascular plants are able to act as a regulator - they are extremely intelligent," Professor Ruban said.

"The carotinoids, which are a group of pigments within the antenna structure, enable the antenna to regulate its absorption and shield capabilities. If we can channel this regulation and intelligence into the production of solar energy, then the future of the earth could be a whole lot brighter."

Higher plants, otherwise known as vascular plants, transport water and other minerals through the roots, stems and leaves. They make up most of the plants on earth today.




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FARM NEWS
Farmer networks hold key to agricultural innovation in developing countries
Stanford CA (SPX) Jun 06, 2011
New technologies can improve agricultural sustainability in developing countries, but only with the engagement of local farmers and the social and economic networks they depend on, say Stanford University researchers. Their findings are published in the May 23 online edition of the Proceedings of the National Academy of Sciences (PNAS). "Most people tend to think that technology informatio ... read more


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