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Table T1. Results for most probable number enrichment cultures with different media incubated close to in situ temperature of 8°C under anaerobic conditions at different salinities, Expedition 347.
Core,
section
|
Depth
(mbsf)
|
Salinity
(‰)
|
Fe(OH)3
|
MnOOH
|
KNO3
|
KNO3 + Fe(II)
|
Polymer
|
Monomer
|
|
347-M0059C-
|
|
3H-2
|
8
|
25
|
10–2
|
—
|
10–2
|
—
|
10–4
|
10–2
|
|
5H-2
|
14
|
25
|
10–1
|
10–1
|
—
|
—
|
10–3
|
10–1
|
|
15H-1
|
45
|
20
|
—
|
—
|
10–1
|
—
|
10–1
|
10–1
|
|
21H-1
|
64
|
10
|
—
|
—
|
—
|
—
|
—
|
—
|
|
25H-1
|
78
|
10
|
—
|
—
|
—
|
—
|
10–1
|
—
|
|
347-M0060B-
|
|
13H-2
|
37
|
30
|
10–1
|
—
|
10–3
|
—
|
10–4
|
10–1
|
|
14H-2
|
41
|
30
|
10–1
|
—
|
10–3
|
10–1
|
10–4
|
10–1
|
|
23H-2
|
70
|
30
|
10–1
|
—
|
10–3
|
10–1
|
10–3
|
10–1
|
|
27H-2
|
82
|
30
|
—
|
—
|
10–1
|
10–1
|
10–3
|
10–1
|
|
28H-2
|
85
|
10
|
10–1
|
10–1
|
10–1
|
—
|
10–1
|
—
|
|
347-M0063E-
|
|
1H-2
|
2
|
1
|
10–3
|
10–3
|
10–3
|
—
|
10–4
|
10–1
|
|
6H-2
|
12
|
1
|
10–3
|
10–3
|
10–3
|
—
|
10–4
|
10–1
|
|
21H-2
|
41
|
5
|
—
|
—
|
—
|
—
|
10–2
|
10–1
|
|
27H-2
|
55
|
1
|
10–3
|
10–3
|
10–3
|
—
|
10–4
|
10–1
|
|
33H-2
|
66
|
5
|
—
|
—
|
—
|
—
|
10–1
|
—
|
|
40H-2
|
80
|
5
|
—
|
—
|
—
|
—
|
10–1
|
—
|
|
43H-2
|
90
|
5
|
—
|
—
|
—
|
—
|
—
|
—
|
|
347-M0065C-
|
|
4H-2
|
11
|
12
|
10–3
|
10–1
|
10–4
|
10–1
|
10–4
|
10–1
|
|
7H-2
|
20
|
12
|
10–3
|
10–1
|
10–3
|
10–1
|
10–4
|
10–1
|
|
10H-2
|
30
|
12
|
—
|
—
|
10–1
|
—
|
10–1
|
—
|
|
12H-2
|
37
|
1
|
—
|
—
|
10–1
|
—
|
10–1
|
—
|
Ferrihydrite, manganese oxide, or KNO3 were added as the electron acceptor each for enrichment of heterotrophs. Fe(II) was added for enrichment of nitrate-reducing lithotrophs. Mixtures of organic polymers or monomers served for enrichment of heterotrophic fermenters. Numbers = positive test tubes with the highest dilution step. — = no successful enrichment.
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