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. 2000 Mar;66(3):1167–1174. doi: 10.1128/aem.66.3.1167-1174.2000

TABLE 3.

Distribution of 16S rDNA cloned sequences from three different sludge samples

Phylogenetic classification % of clone sequences in:
January February April
Alpha subdivision of Proteobacteria 30a 0 46a
Beta subdivision of Proteobacteria 50 11 21
Gamma subdivision of Proteobacteria 5 21 8
Delta subdivision of Proteobacteria 10 0 4
Acidobacterium/Holophaga 0 68 0
Cytophaga 0 0 16
Firmicutes 5 0 5
a

Includes Hyphomicrobium species.