Table 2 Summary of clone libraries constructed targeting archaeal amoA using DNA and cDNA as templates. Number of clones from each library and number of OTUs defined at a similarity level of ≥97%. Depth of initial water sample collection in meters (m)

From: Archaeal amoA and ureC genes and their transcriptional activity in the Arctic Ocean

Station

Depth

Template

Clones

Library

OTUs

129

35

DNA

6

a.129.35.d

6

129

120

DNA

91

a.129.120.d

12

123

200

DNA

51

a.123.200.d

8

123

200

cDNA

32

a.123.200.r

5

123

280

DNA

86

a.123.280.d

11

109

110

DNA

19

a.109.110.d

4

109

110

cDNA

46

a.109.110.r

1

109

400

DNA

92

a.109.400.d

13