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. 2006 Aug;72(8):5500–5511. doi: 10.1128/AEM.00237-06

FIG. 4.

FIG. 4.

Expression of E. huxleyi CCMP 2090 δ-EhCA1 gene versus the γ-EhCA2 gene using qRT-PCR. (A) Growth curves of E. huxleyi CCMP 2090 cultures grown under various DIC levels. (B) Copy numbers of the δ-EhCA1 and γ-EhCA2 genes from early-stationary-phase cells grown with HCO3 versus ambient CO2 as the carbon source. (C) Temporal expression of mid-log-phase cells showing the relative copy number of each transcript.