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. 2014 Oct 22;5:550. doi: 10.3389/fmicb.2014.00550

FIGURE 1.

FIGURE 1

Methanotroph pmoA abundances in Amazonian Dark Earth and adjacent soils under secondary forest and manioc cultivation at Barro Branco and Caldeirão sites. (A) Abundance of pmoA genes using the A189f-mb661r qPCR assay targeting conventional pmoA genes (i.e., mostly Methylocystis in these soils). (B) Abundance of USCα pmoA genes determined with the A189f-Forest675r qPCR assay. Abundances denoted with different letters above the bars are significantly different from each other (Tukey’s HSD, p < 0.05). ND indicates that the target gene was below the detection limit of the qPCR assay, which is indicated by the dashed line.