4.6 Article

Identification of a Novel Alkaliphilic Esterase Active at Low Temperatures by Screening a Metagenomic Library from Antarctic Desert Soil

Journal

APPLIED AND ENVIRONMENTAL MICROBIOLOGY
Volume 75, Issue 13, Pages 4657-4659

Publisher

AMER SOC MICROBIOLOGY
DOI: 10.1128/AEM.02597-08

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Funding

  1. Antarctica New Zealand, University of Waikato Antarctic Terrestrial Biology Programme
  2. National Research Foundation, South Africa [65413, 65416]
  3. Korea Agency for Infrastructure Technology Advancement (KAIA) [65416] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A novel esterase was identified through functional screening of a metagenomic library in Escherichia coli obtained from Antarctic desert soil. The 297-amino-acid sequence had only low (< 29%) similarity to a putative esterase from Burkholderia xenovorans. The enzyme was active over a temperature range of 7 to 54 degrees C and at alkaline pH levels and is a potential candidate for industrial application.

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