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Articles on Bioprospecting

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Traditional medicines sold at a South African market. Rebecca and William Beinart

The story of the pharma giant and the African yam

In the 1950s, the African yam was exploited by drugs firm Boots to produce cortisone. But South Africans fought back against the plundering of a plant that they used for traditional healing.
Polysaccharide molecules such as cellulose, seen here, are long chains of sugars that are very hard to break apart. Enzymes – proteins that can degrade polysaccharides – have many industrial uses. CeresVesta/Wikipedia

Scientist at work: Bio-prospecting for better enzymes

Bio-prospecting is the search for useful materials from natural sources. A biologist explains what we can learn from bacteria about breaking down plant material, and how we can use that knowledge.

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