Table 1

Main concentrations in the Menez Gwen, Lucky Strike and Rainbow vent fluids, adapted from Douville et al. (2002), Charlou et al. (2000, 2002).

Menez Gwen (37°50'N)

Lucky Strike (37°17'N)

Rainbow (36°14'N)


Physical and chemical characteristics

Depth (m)

850

1700

2300

Temperature (°C)

265-284

152-333

360-365

pH

4.2-4.8

3.5-4.9

2.8-3.1

Fe (mg l-1)

1.3-1.6

1.7-48

1339

Mn (mg l-1)

3.2-3.7

4.2-24.7

123

Cu (mg l-1)

40-180

60-1650

8900

Zn (mg l-1)

0.16-0.33

0.33-3.79

10.5

Cd (mg l-1)

1.01-1.34

2.02-8.85

14.6

Pb (mg l-1)

4.4-11.6

7.2-26.9

30.6

H2S (mM)

1.3-1.82

0.6-3.3

1-2.52

CH4 (mM)

1.7

0.52

2.5


Symbiont quantification

n

25

30

25

SOX

272.95 ± 73.45

166.71 ± 28.92

119.35 ± 32.05

MOX

25.70 ± 6.70

16.38 ± 4.07

209.19 ± 184.40

ATP sulfurylase

1.1 10-5 ± 4.8 10-6

8 10-6 ± 3 10-6

4.6 10-6 ± 1.3 10-6

pmoA

0.12 ± 0.04

0.07 ± 0.02

0.29 ± 0.09


Relative quantities and activity of sulfide oxidizer bacteria (SOX and ATP sulfurylase) and methanotrophic bacteria (MOX and particulate methane monooxygenase A pmoA) were characterized in the present study and given in an arbitrary unit.

Boutet et al. BMC Genomics 2011 12:530   doi:10.1186/1471-2164-12-530

Open Data