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Biotransformations of nitro-aromatic compounds to amines and acetamides by tuberous roots of Arracacia xanthorrhiza and Beta vulgaris and associated microorganism (Candida guilliermondii)

Paper ID Volume ID Publish Year Pages File Format Full-Text
18604 42727 2007 5 PDF Available
Title
Biotransformations of nitro-aromatic compounds to amines and acetamides by tuberous roots of Arracacia xanthorrhiza and Beta vulgaris and associated microorganism (Candida guilliermondii)
Abstract

Edible tuberous roots of the species Arracacia xanthorrhiza and Beta vulgaris together with the associated microorganism, Candida guilliermondii, biocatalysed the reduction of several nitro-aromatic substrates to yield the respective amines, and the subsequent acetylation of the amine products to the corresponding acetamides. The enzymatic formation of acetamides has rarely been reported in association with the bioreduction of nitro groups. The biotransformation reactions catalysed by roots of A. xanthorrhiza, B. vulgaris and C. guilliermondii occurred independently of the locality of origin of the plant material. Consortiums of microorganism were isolated and identified as C. guilliermondii from A. xanthorrhiza and B. vulgaris roots. The C. guillermondii was able to catalyse the biotransformation of nitrobenzene into aniline. The acetanilide was not obtained by C. guilliermondii. The results demonstrate that roots of A. xanthorrhiza may be employed in the synthesis of amines and acetamides under very mild conditions. Moreover, the tuberous roots of these plants may have application in the bioremediation of nitro-aromatic compounds.

Keywords
Biotransformation; Nitroreductases; Plants; Acetamides; Amines; Tuberous roots; Microorganism associate; Candida guilliermondii
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Biotransformations of nitro-aromatic compounds to amines and acetamides by tuberous roots of Arracacia xanthorrhiza and Beta vulgaris and associated microorganism (Candida guilliermondii)
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 42, Issue 1, 3 December 2007, Pages 65–69
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us