Figure 4 | Scientific Reports

Figure 4

From: Microbial functional genes elucidate environmental drivers of biofilm metabolism in glacier-fed streams

Figure 4

A simplified schematic of the nitrogen cycle constructed with the use of the KEGG nitrogen metabolism pathway. The N cycle consists of interconnected biogeochemical pathways (dissimilatory nitrate reduction, assimilatory nitrate reduction, denitrification, nitrogen fixation, nitrification, and anammox). There are a variety of genes encoding enzymes that catalyze the important transformation reactions of various nitrogen forms ranging from the oxidation states +5 in nitrate to −3 in ammonium. The percentage of associated gene reads were predicted using PICRUSt based on KEGG database.

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