TABLE 1.
Characteristics of the F. nucleatum strain ATCC 25586 genome
| Characteristic | Value |
|---|---|
| Genomic features | |
| Number of chromosomes | 1 |
| Total no. of sequence bases | 2,174,500 |
| DNA coding sequence | 1,952,810 |
| %GC content | 27 |
| Plasmids | None in this strain |
| General statistics | |
| Total no. of ORFs | 2,067 |
| ORFs with assigned functions (%) | 1,394 (67) |
| ORFs with functions but no similarities (%) | 2 (0.1) |
| ORFs without assigned functions (%) | 673 (32) |
| ORFs without function, with similaritya (%) | 599 (29) |
| ORFs without assigned function or similarityb (%) | 74 (3.5) |
| ORFs in ortholog clusters (%) | 756 (36) |
| ORFs in paralog clusters (%) | 535 (26) |
| Total no. of paralog clusters | 180 |
| ORFs in chromosomal clusters (%) | 775 (37) |
| ORFs in possible fusion events (%) | 596 (29) |
| ORFs in fusion events as composites (%) | 222 (11) |
| ORFs in fusion events as components (%) | 437 (21) |
a
Conserved hypotheticals.
b
Proteins unique to F. nucleatum.