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Environmental Systems Research
Fig. 2 | Environmental Systems Research

Fig. 2

From: Microbial evolution in extreme environments: microbial migration, genomic highways, and geochemical barriers in hydrothermal ecosystems

Fig. 2

Fraction of total cDNAs shared across two or more YNP/GBS communities, by most likely taxonomic family (or ‘unclassified’, in cases of ambiguous taxonomy). Bar color and top-to-bottom ordering is based on families being present predominantly (>80%) in chemotrophic (red) or phototrophic (blue) communities (or grey for families present in both). Histograms give the synonymous substitution rate (Ks) distributions of cDNAs for that family (“noisy” distributions correspond to families with fewer cDNA sequences available for calculations). These data support that trends in Ks distributions (Fig. 3)—in particular the chemotroph peak at Ks ~0.18 and phototroph peak near Ks ~0—extend across multiple families and are not the result of a single, abundant family dominating the distribution.

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