Fig. 2From: The majority of microorganisms in gas hydrate-bearing subseafloor sediments ferment macromoleculesMicrobial composition and diversity analysis of the deep subsurface sediments from the gas hydrate zone. a Alpha diversity of microbial communities based on metagenomic reads of 14 single-copy marker genes. b Taxonomic compositions of microbial communities based on 16S miTags extracted from the metagenomes. Full taxonomic information is provided in Table S2. c NMDS analysis of a Bray–Curtis dissimilarity matrix calculated from the single-copy marker gene rplB OTU table. The significance of the differences in the community structures of the different redox zones was tested using ANOSIM with 999 permutationsBack to article page