Figure 2 | Scientific Reports

Figure 2

From: Effect of carbonic anhydrase on silicate weathering and carbonate formation at present day CO2 concentrations compared to primordial values

Figure 2

mRNA relative expression levels of five CA genes (Experiment 2).

(a), (b), (c), (d) and (e) show the expression of CA1, CA2, CA3, CA4 and CA5, respectively. Gray bars and ‘CaCl2 and wollastonite’, denote that the calcium sources were CaCl2 and wollastonite. Similarly, black bars and ‘wollastonite’ denote that the calcium source was wollastonite only. The bacteria were cultured using a concentration of 0.039% CO2.

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