Research Article

Microbial Diversity and Biochemical Potential Encoded by Thermal Spring Metagenomes Derived from the Kamchatka Peninsula

Table 4

Relative activities of recombinant esterases in the presence of different chemical compounds. The effect of the additives was further tested for significance. Significant effects ( ) are written in bold type.

DetergentRelative activity of PlpBW1 (%)Relative activity of EstBW1 (%)Relative activity of EstBW2 (%)

AgNO3106.80 ± 16.06 34.27 ± 1.66163.17 ± 4.88
CaCl2132.39 ± 9.6385.35 ± 6.3097.10 ± 0.98
CoCl2131.17 ± 5.93104.94 ± 7.2964.00 ± 5.60
CTAB274.39 ± 34.5240.66 ± 6.678.11 ± 3.30
CuCl2125.48 ± 2.7081.03 ± 3.9894.20 ± 0.57
EDTA119.45 ± 7.50101.47 ± 10.7596.03 ± 4.24
FeCl3106.67 ± 8.9453.56 ± 12.5699.47 ± 5.01
KCl124.50 ± 19.5199.29 ± 12.1196.40 ± 5.55
2-Mercaptoethanol84.82 ± 7.310.00 ± 0.0078.74 ± 19.95
MgCl2133.37 ± 7.2590.38 ± 13.06101.54 ± 2.87
MnCl272.07 ± 2.3182.14 ± 14.1648.90 ± 5.22
NaCl131.24 ± 15.1798.59 ± 20.0792.42 ± 3.60
NiSO4121.86 ± 14.7189.64 ± 4.6045.65 ± 8.03
PMSF77.49 ± 16.910.08 ± 16.430 ± 4.16
SDS68.45 ± 17.3822.47 ± 9.6439.49 ± 3.14
Tween 80174.52 ± 2.2960.70 ± 12.74141.50 ± 4.94
ZnCl272.01 ± 1.7759.26 ± 5.728.64 ± 1.71

Abbreviations: CTAB: cetyltrimethylammonium bromide; EDTA: ethylenediaminetetraacetic acid; SDS: sodium dodecyl sulfate; PMSF: phenylmethylsulfonyl fluoride.