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Table 1  M. stadtmanae  16S rDNA gene copy number after 48-hour culture with Na 2 O 4 W + Na 2 O 4 Se or only Na 2 O 4 W and a 6-day culture with no Na 2 O 4 W + Na 2 O 4 Se or only with Na 2 O 4 Se (Mean and standard deviation were calculated for 10 independent culture tests for each condition)

From: Tungsten-enhanced growth of Methanosphaera stadtmanae

 

48-hour culture

6-day culture

 

without

with

with

with

without

 

Na2O4W + Na2O4Se

Na2O4W + Na2O4Se

Na2O4W

Na2O4Se

Na2O4W + Na2O4Se

Means

2.13E + 10

4.42E + 12

3.93E + 12

4.02E + 12

3.22E + 12

Standard deviation

5.56E + 09

1.84E + 11

3.67E + 11

2.23E + 11

1.53E + 11