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Table 1 List of selected genes, PCR primers, and predicted size

From: Molecular cloning, expression, and characterization of four novel thermo-alkaliphilic enzymes retrieved from a metagenomic library

Fosmid name

Predicted enzyme (Gene encoding)

Gene no.

Primers

Restriction enzymes

Size (bp)

Approx. size (kDa)

Closet hit (identity/coverage)

NT2-2

β-Galactosidase

1

FP-TACgaattcACGGCATCAGCGCAATAGTC

RP-AGggatccCGCTTCGCAACTGAGGTTAC

EcoRI

BamHI

3146

116

Enterobacter hormaechei (74/81%)

T5-5

β-Xylosidase

2

FP-GCGaagcttGTGTAGTCTTTGCCCATCTC

RP-CAGggatccCGCTTCGCAACTGAGGTTAC

HindIII

BamHI

2410

85

Enterobacter mori (83/90%)

T4-1

β-Xylosidase

3

FP-GCGgaattcCACCAGATTCAGCCCTACAG

RP-CAGaagcttTGTAGTCTTTGCCCATCTCC

EcoRI

HindIII

2439

86

Enterobacter mori (83/90%)

10BT

Transcription regulator

4

FP-GCGggatccGCACAACAAGATGGCTTTAC

RP-CAGctcgagTAGTCGCATTTTGACGGAAC

BamHI

XhoI

627

22

Klebsiella oxytoca (76/87%)

Inner membrane protein

5

FP-GCGaagcttGTGCAAAGTATCGCTTTAAC

RP-CAGggatccAGCAGCATGAATAAGGACAC

HindIII

BamHI

1262

45

Enterobacter cloacae (79/88%)

NT18-17

Aquaporin

6

FP-GCGaagcttGGGATCGGCTAGATCTTGAG

RP-CAGggatccCAAGCGTCATGAATAAACTG

HindIII

BamHI

673

22

Hyphomonas neptunium (65/80%)

Beta-hexosaminidase

7

FP-GCGggatccTTTGCGGAGCCTACTCCTTC

RP-CAGaagcttTTACAATGGCATCTGATTGG

BamHI

HindIII

1944

70

Rhizobium leguminosarum

3841 (50/64%)

Hypothetical protein

8

FP-GCGggatccCCGGATACTCCACACAAAGG

RP-CAGctcgagTTATCGCAAGTCGATCAAGG

BamHI

XhoI

1134

37

Hyphomicrobium denitrificans (56/71%)