Table 1. Relative abundance (%) of 16S rRNA bacterial sequences in 454 pyrosequencing libraries from the wet control (W1 and W28), desiccated (D14 and D23) and reflooded (R28) sediments.
W1 |
W28 |
D14 |
D23 |
R28 |
|
---|---|---|---|---|---|
Relative abundance (%) | |||||
Acidobacteria; acidobacteriaceae | 1.6 | 1.9 | 1.3 | 1.4 | 0.6 |
Actinobacteria | 2.3 | 1.2 | 3.5 | 2.6 | 1.0 |
Bacteroidetes | 10.2 | 13.9 | 7.9 | 6.5 | 19.8 |
Bacteroidales | 0.8 | 0.4 | 0.2 | 0.5 | 0.0 |
Flavobacteriales | 6.5 | 7.5 | 3.7 | 2.9 | 11.0 |
Sphingobacteriales | 1.8 | 5.3 | 3.5 | 2.6 | 8.7 |
Unclassified bacteroidetes | 1.1 | 0.7 | 0.5 | 0.5 | 0.1 |
Chloroflexi | 1.8 | 1.4 | 0.8 | 1.4 | 0.7 |
Deferribacteres; Deferribacterales | 0.2 | 0.1 | 0.2 | 0.0 | 0.0 |
Firmicutes | 0.6 | 0.3 | 0.2 | 0.7 | 0.5 |
Bacillaceae; Halobacillus | 0.0 | 0.0 | 0.0 | 0.5 | 0.1 |
Paenibacillaceae; Paenibacillus | 0.1 | 0.0 | 0.2 | 0.0 | 0.0 |
Clostridiaceae | 0.5 | 0.3 | 0.0 | 0.2 | 0.4 |
Fusobacteria; Leptotrichia | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 |
Gemmatimonadetes; Gemmatimonadaceae | 0.2 | 0.1 | 0.3 | 0.0 | 0.0 |
Lentisphaerae; Lentisphaerae | 0.1 | 0.0 | 0.3 | 0.0 | 0.0 |
Nitrospira; Nitrospiraceae | 0.4 | 0.7 | 0.6 | 0.3 | 0.3 |
Alphaproteobacteria | 10.3 | 16.8 | 18.1 | 21.9 | 15.9 |
Kordiimonas | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 |
Rhizobiales | 3.0 | 3.9 | 2.3 | 6.6 | 1.1 |
Rhodobacteraceae | 5.4 | 7.1 | 11.9 | 10.9 | 11.1 |
Rhodospirillales | 0.5 | 1.1 | 0.8 | 1.7 | 0.7 |
Rickettsia | 0.0 | 0.1 | 0.2 | 0.0 | 0.0 |
Sphingomonadaceae | 0.5 | 1.1 | 0.5 | 0.1 | 0.7 |
Unclassified Alphaproteobacteria | 0.9 | 3.3 | 2.4 | 2.6 | 2.3 |
Betaproteobacteria | 0.1 | 0.2 | 0.0 | 0.0 | 0.0 |
Deltaproteobacteria | 22.2 | 16.7 | 13.5 | 15.1 | 8.0 |
Bacteriovorax | 0.1 | 0.3 | 0.0 | 0.1 | 0.0 |
Desulfobacterales | 12.6 | 7.3 | 6.4 | 6.5 | 2.7 |
Desulfovibrionaceae | 0.6 | 2.9 | 0.5 | 0.1 | 0.0 |
Desulfuromonales | 4.3 | 0.1 | 3.5 | 3.3 | 3.0 |
Myxococcales | 2.2 | 4.5 | 1.8 | 2.8 | 0.6 |
Syntrophobacterales | 0.8 | 0.5 | 0.0 | 0.3 | 0.0 |
Unclassified deltaproteobacteria | 1.6 | 1.1 | 1.3 | 2.0 | 1.7 |
Epsilonproteobacteria; Campylobacterales | 0.4 | 0.0 | 0.6 | 0.3 | 0.3 |
Gammaproteobacteria | 30.7 | 31.1 | 35.2 | 34.5 | 39.4 |
Alteromonadales (not including Marinobacter) | 1.2 | 1.0 | 1.1 | 0.9 | 2.0 |
Marinobacter | 0.1 | 0.3 | 0.5 | 1.9 | 9.4 |
Chromatiales | 10.2 | 9.7 | 12.4 | 10.1 | 12.3 |
Enterobacteriaceae | 0.0 | 0.1 | 0.2 | 0.2 | 0.0 |
Legionellales | 0.0 | 0.5 | 0.0 | 0.1 | 0.3 |
Oceanospirillales | 0.5 | 1.0 | 0.8 | 0.7 | 3.3 |
Pseudomonadaceae | 0.3 | 0.6 | 0.2 | 0.3 | 0.1 |
Thiotrichales (not including Methylophaga) | 0.6 | 0.3 | 0.7 | 1.7 | 0.5 |
Methylophaga | 0.0 | 0.5 | 1.6 | 3.3 | 0.7 |
Unclassified gammaproteobacteria | 17.3 | 17.0 | 17.7 | 15.1 | 10.7 |
Vibrio | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
Xanthomonadaceae | 0.4 | 0.1 | 0.0 | 0.2 | 0.1 |
Unclassified proteobacteria | 0.9 | 1.0 | 1.1 | 1.7 | 3.0 |
Spirochaeta | 0.2 | 0.1 | 0.2 | 0.2 | 0.0 |
TM7 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 |
Unclassified bacteria | 4.8 | 3.4 | 4.7 | 3.6 | 2.4 |
Verrucomicrobia; Verrucomicrobiales | 0.0 | 0.2 | 0.6 | 0.1 | 0.1 |
WS3 | 0.2 | 0.4 | 0.0 | 0.3 | 0.0 |
Cyanobacteria | 0.3 | 1.9 | 0.3 | 0.8 | 0.7 |
Unclassified (below 90% similarity to any RDP sequence) | 12.5 | 8.8 | 10.5 | 8.1 | 7.0 |
A total of ∼4250 sequences (850 per library) were included in the analysis.