2018
DOI: 10.1007/s00792-018-1038-3
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Characterization of esterase activity from an Acetomicrobium hydrogeniformans enzyme with high structural stability in extreme conditions

Abstract: The biotechnological and industrial uses of thermostable and organic solvent-tolerant enzymes are extensive and the investigation of such enzymes from microbiota present in oil reservoirs is a promising approach. Searching sequence databases for esterases from such microbiota, we have identified in silico a potentially secreted esterase from Acetomicrobium hydrogeniformans, named AhEst. The recombinant enzyme was produced in E. coli to be used in biochemical and biophysical characterization studies. AhEst pres… Show more

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Cited by 13 publications
(5 citation statements)
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“…6a). Similar or even lower solvent tolerance was found for most of the reported OST esterases (Doukyu and Ogino 2010;Xing et al 2012;Zhang et al 2014;Kumagai et al 2018). Thus, in comparison, Est2 exhibited superior stability against higher concentrations of the analyzed water-miscible organic solvents (Fig.…”
Section: Discussionsupporting
confidence: 68%
See 1 more Smart Citation
“…6a). Similar or even lower solvent tolerance was found for most of the reported OST esterases (Doukyu and Ogino 2010;Xing et al 2012;Zhang et al 2014;Kumagai et al 2018). Thus, in comparison, Est2 exhibited superior stability against higher concentrations of the analyzed water-miscible organic solvents (Fig.…”
Section: Discussionsupporting
confidence: 68%
“…However, the inhibition or inactivation of enzyme activity resulting from organic solvents has restricted the use of many lipolytic enzymes (Klibanov 2001;). To overcome this limitation, some organic solvent-tolerant (OST) lipolytic enzymes have been isolated, including enzymes from Bacillus licheniformis S-86 (Torres et al 2009), Streptomyces coelicolor A3(2) , Psychrobacter celer 3Pb1 , Alcanivorax dieselolei B-5(T) (Zhang et al 2014), and Acetomicrobium hydrogeniformans (Kumagai et al 2018), as well as from metagenomes of seawater , compost , lipid-contaminated soil , mountain soil , swamp sediment , and deep-sea hydrothermal vents ). However, these enzymes only show tolerance towards specific organic solvents.…”
Section: Conflicts Of Interestmentioning
confidence: 99%
“…Thermovirga and norank_f__Synergistaceae were both reported to be capable of fermenting proteins, amino acids, and some other small-molecular organic acids [4], while Aminobacterium could be able to ferment amino acids and organic acids into VFAs [39]. Acetomicrobium was reported to possess the ability to secrete thermophilic esterases for the hydrolysis of esters into small-molecular organic acids [45]. Additionally, Coprothermobacter (3.97%), affiliated with Coprothermobacteraeota, and Corynebacterium (1.21%), affiliated with Actinobacteria, were also reported to be capable of degrading proteins and complex organic matters to small-molecular organics.…”
Section: Microbial Community In the Hydrolytic/acidogenic Processmentioning
confidence: 99%
“…Enzyme enhanced oil recovery (EEOR) refers to any enhanced oil recovery technologies that involves using enzyme(s). Comparing to the lab studies and field pilot tests of regular EOR methods aforementioned, EEOR is an emerging technology that has limited peer reviewed papers [6][7][8][9][10][11][12], yet huge amount of conference papers [22,26,30] , and unpublished technical reports and case studies [24,31]. Encouraged by the promising field performance, the rich data of industrial reports, and the potential of minimum footprints,…”
Section: Introductionmentioning
confidence: 99%