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Fig. 9 | Microbiome

Fig. 9

From: Influence of the polar light cycle on seasonal dynamics of an Antarctic lake microbial community

Fig. 9

The abundance of specific enzymes or pathways involved in energy conservation and metabolism in Ace Lake. Heat map depicting the normalized abundance of specific enzymes or pathways (x-axis) by season (left-hand y-axis: summer, red; winter, blue; spring, green) and by depth (right-hand y-axis: U1 to L3). Each sampling date (left-hand y-axis) displays abundances for each of the three filter fractions: top, 20–3 μm; middle, 3–0.8 μm; bottom, 0.8–0.1 μm. The gradient bar shows the colour scale used for the normalized abundance of the enzyme or pathway. Depths: U1, upper 1; U2, upper 2; U3, upper 3; I, interface; L1, lower 1; L2, lower 2; L3, lower 3 (see Additional file 1: Table S1 for specific information about sampled depths). BCAA ABC transporter, branched-chain amino acid ATP-binding cassette transporter; Cas, CRISPR-associated; CBB cycle, Calvin-Benson-Bassham cycle; CRISPR, clustered regularly interspaced short palindromic repeats; DMSP, dimethylsulfoniopropionate; DNRA, dissimilatory nitrate reduction to ammonium; PHA, polyhydroxyalkanoate; reverse TCA cycle, reverse tricarboxylic acid cycle; SOX system, sulfur-oxidizing system; TMA, trimethylamine; Type 1 RC core complex (GSB), Type 1 reaction centre core complex (green sulfur bacteria)

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