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Purification studies of alcohol dehydrogenase from Arthrobacter sp. (MPS8D3)

Grant number: 12/20388-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2012
Effective date (End): November 30, 2013
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal researcher:Leandro Helgueira de Andrade
Grantee:Thalita Siqueira da Silva
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The search for efficient methodologies to obtain enantiomerically pure alcohols have recently grown due to their importance in the synthesis of pharmaceutical and food products and agrochemicals. Biocatalysis has been used for the preparation of alcohols since no toxic residues are produced, besides high substrate selectivity presented by several enzymes.Due to the wide biodiversity of microorganism, we choose to study the bacteria Arthrobacter sp. (MPS8D3) as source of alcohol dehydrogenase. Arthrobacter sp. (MPS8D3) is a psychrotrophic bacteria isolated from a sediment sample colleted in the peninsula of Antartica. The psychrotrophic bacteria have a specific characteristic, they have a high growth rate and activity between 20ºC - 40ºC. In view of the interesting features, we decided to purify alcohol dehydrogenase from this bacteria and evaluate its activity in the enantiosselective oxidation reaction of chiral secondary alcohols.

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