Table 2.
The 20 most abundant operational taxonomic units (OTUs) of bacteria identified in the gut microbiome of dragonfly adults and nymphs collected from five sites in Mississippi and Tennessee, USA. Thirteen different species of dragonflies were included in the dataset.
| OTU | Number of Sequences | % Total Sequences | % Adult Sequences | % Nymph Sequences | Finest Classification (Phylum) |
|---|---|---|---|---|---|
| 01 | 35,565 | 13.9 | 31.7 | 2.1 | Enterobacteriaceae (Proteobacteria) |
| 02 | 33,718 | 13.2 | 3.9 | 19.3 | Enterobacteriaceae (Proteobacteria) |
| 03 | 30,561 | 12.0 | 5.2 | 15.8 | Aeromonas (Proteobacteria) |
| 04 | 24,585 | 9.6 | 24.4 | 0.3 | Enterobacteriaceae (Proteobacteria) |
| 05 | 9472 | 3.7 | 0.2 | 6.1 | Peptostreptococcaceae (Firmicutes) |
| 06 | 8636 | 3.4 | 9.0 | 0.4 | Chlamydiales (Chlamydia) 1 |
| 07 | 6710 | 2.6 | 0.1 | 4.1 | Cetobacterium (Fusobacteria) |
| 08 | 5790 | 2.3 | 0.0 | 3.9 | Comamonadaceae (Proteobacteria) |
| 09 | 5488 | 2.1 | 3.3 | 1.2 | Lactococcus (Firmicutes) |
| 10 | 4179 | 1.6 | 0.0 | 3.7 | Clostridiaceae (Firmicutes) |
| 11 | 3640 | 1.4 | 0.0 | 2.4 | Novosphingobium (Proteobacteria) |
| 12 | 3088 | 1.2 | 0.0 | 1.9 | Alphaproteobacteria (Proteobacteria) |
| 13 | 2962 | 1.2 | 0.0 | 1.9 | Clostridiaceae (Firmicutes) |
| 14 | 2464 | 1.0 | 0.0 | 1.6 | Burkholderiales (Proteobacteria) |
| 15 | 2411 | 0.9 | 0.0 | 1.6 | Proteobacteria |
| 16 | 2037 | 0.8 | 0.0 | 1.3 | Acinetobacter (Proteobacteria) |
| 17 | 1847 | 0.7 | 0.0 | 1.2 | Bacillales (Firmicutes) |
| 18 | 1626 | 0.6 | 0.0 | 1.1 | Enterobacteriaceae (Proteobacteria) |
| 19 | 1441 | 0.5 | 1.3 | 1.1 | Lactococcus (Firmicutes) |
| 20 | 1384 | 0.5 | 0.0 | 0.9 | Neisseriaceae (Proteobacteria) |
1 A single adult dragonfly accounted for 99% of the sequences assigned to OTU06.