Table 1.
Characteristics of Highly Reduced Genomes from Different Insect Endosymbionts
| Endosymbiont | Class | Host | Host Diet | Genome Size (bp)a | G + C% | CDSs | rRNAs | tRNAs | Pseudo- genes | Coding % |
|---|---|---|---|---|---|---|---|---|---|---|
| Flavobacterium psychrophilum | Flavobacteria | Free living | — | 2,861,988 | 33 | 2432 | 18 | 49 | 20 | 85.6 |
| Walczuchella monophlebidarum | Flavobacteria | Scale insects | Phloem sap | 309,299 | 32.6 | 271 | 3 | 33 | 27 | 86.2 |
| Uzinura diaspidicola | Flavobacteria | Scale insects | Parenchyma | 263,431 | 30.2 | 227 | 3 | 30 | 7 | 89.3 |
| Blattabacterium sp. MADAR | Flavobacteria | Termites | Wood | 590,336 | 28 | 550 | 3 | 34 | 9 | 94.9 |
| Blattabacterium sp. BPLAN | Flavobacteria | Cockroaches | Omnivorous | 640,442 | 28 | 580 | 3 | 33 | 0 | 94.6 |
| Sulcia muelleri CARI | Flavobacteria | Spittlebugs | Sap | 276,511 | 21 | 246 | 3 | 29 | 0 | 93.2 |
| Buchnera aphidicola APS | Gammaproteobacteria | Aphids | Sap | 655,725 | 26 | 575 | 3 | 32 | 1 | 87.5 |
| Buchnera aphidicola Cc | Gammaproteobacteria | Aphids | Sap | 422,434 | 20.2 | 362 | 3 | 31 | 3 | 86.9 |
| Carsonella ruddii PV | Gammaproteobacteria | Psyllids | Phloem sap | 159,662 | 17 | 182 | 3 | 28 | 0 | 97.3 |
| Moranella endobia | Gammaproteobacteria | Mealybugs | Sap | 538,294 | 43.5 | 406 | 5 | 41 | 28 | 79 |
| Tremblaya princeps PCIT | Betaproteobacteria | Mealybugs | Sap | 138,927 | 59 | 121 | 6 | 12 | 2 | 72.5 |
| Zinderia insecticola CARI | Betaproteobacteria | Spittlebugs | Sap | 208,564 | 14 | 202 | 3 | 25 | 0 | 92.4 |
| Hodgkinia cicadicola Dsem | Alphaproteobacteria | Cicadas | Sap | 143,795 | 58 | 169 | 3 | 15 | 0 | 94 |
aGenome size includes chromosome and plasmids if present.