Table 4. Genes for which there is no evidence of phase variation in N. gonorrhoeae.
| Gene | FA1090 locus* | Repeat in FA1090* | NCCP11945 locus† | Repeat in NCCP11945† | Repeat in FA19‡ | Repeat in FA6140§ | Repeat in 35/02|| | Repeat in MS11¶ | N. gonorrhoeae candidacy# |
|---|---|---|---|---|---|---|---|---|---|
| Prolyl endopeptidase | NGO0026 | GGGGCGG | NGK_0034 | GGGGCGG | GGGGCGG | GGGGCGG | GGGGCGG | GGGGCGG | No. Replacement tract |
| pill/wbpC | NGO0065 | C(G)6 | NGK_0089** | C(G)6 | C(G)6 | C(G)6 | C(G)6 | C(G)6 | No. No variation. |
| Phosphoesterase | NGO0081 | (C)7 | NGK_0 n 9 | (C)7 | (C)7 | (C)7 | (C)7 | (C)7 | No. No variation. |
| Hypothetical | NGO0121 | (A)6 | NGK_0167 | (A)6 | (A)6 | (A)6 | (A)6 | (A)6 | No. No variation. |
| cvaA | NGO0123 | (C)4 | NGK_0168 | (C)4 | (C)4 | (C)4 | (C)4 | (C)4 | No. No variation. |
| potD -2 | NGO0206 | AA(C)5 | NGK_0338 | AA(C)5 | AA(C)5 | AA(C)5 | AA(C)5 | AA(C)5 | No. No variation. |
| Hypothetical | NGO0532 | AACCGGCAAACA | NGK_1400 | AACCGGCAAACA | AACCGGCAAACA | AACCGGCAAACA | AACCGGCAAACA | AACCGGCAAACA | No. Replacement tract |
| nifS | NGO0636 | CCACACCC | NGK_1278 | CCACACCC | CCACACCC | CCACACCC | CCACACCC | CCACACCC | No. Replacement tract |
| lldD | NGO0639 | (G)7 | NGK_1275 | (G)7 | (G)7 | (G)7 | (G)7 | (G)7 | No. No variation. |
| Methylase NlalV | NGO0676 | (A)9 | NGK_1230 | (A)9 | (A)9 | (A)9 | (A)9 | (A)9 | No. No variation. |
| dnaX | NGO0743 | (C)7 | NGK_1135 | (C)7 | (C)7 | (C)7 | (C)7 | (C)7 | No. No variation. |
| mobA | NGO0754 | GGAAGG | NGK_1123 | GGAAGG | GGAAGG | GGAAGG | GGAAGG | GGAAGG | No. Replacement tract |
| ppx | NGO1041 | (C)7 | NGK_0745 | (C)7 | (C)7 | (C)7 | (C)7 | (07 | No. No variation. |
| fxP/ccoP | NGO1371 | (AT)5 | NGK_1607 | (AT)5 | (AT)5 | (AT)5 | (AT)5 | (AT)5 | No. No variation. |
| Hypothetical | NGO1384 | G(A)7 | NGK_1622 | (A)8 | (A)8 | (A)8 | (A)8 | G(A)7 | No. No variation in length. |
| pntA | NGO1470 | CCCTGCTGG | NGK_1735 | CCCTGCTGG | CCCTGCTGG | CCCTGCTGG | CCCTGCTGG | CCCTGCTGG | No. Replacement tract |
| amiC | NGO1501 | TTCGCCC | NGK_1783 | TTCGCCC | TTCGCCC | TTCGCCC | TTCGCCC | TTCGCCC | No. Replacement tract |
| dca | NGO1540 | TGTGGGGG | NGK_1830 | TGTGGGGG | TGTGGGGG | TGTGGGGG | TGTGGGGG | TGTGGGGG | No. Replacement tract |
| anmK | NGO1583 | (C)7 | NGK_1884 | (C)7 | (C)7 | (C)7 | (C)7 | (C)7 | No. No variation. |
| dinG | NGO1708 | (C)4T CC | NGK_2106 | (C)4TCC | (C)4TCC | (C)4TCC | (C)4TCC | (C)4TCC | No. Replacement tract |
| rplK | NGO1855 | (C)7 | NGK_2416 | (C)7 | (C)7 | (C)7 | (C)7 | (C)7 | No. No variation. |
| Hypothetical | NGO1970 | (TA)5 | NGK_2274 | (TA)5 | (TA)5 | (TA)5 | (TA)5 | (TA)5 | No. No variation. |
| mafA -3 | NGO1972 | (G)5 | NGK_2270 | (G)5 | (G)5 | (G)5 | (G)5 | (G)5 | No. No variation. |
| map | NGO1983 | (C)6 | NGK_2258 | (C)6 | (C)6 | (C)6 | (C)6 | (C)6 | No. No variation. |
| plsX | NGO2171 | (TTCC)3 | NGK_2652 | (TTCC)3 | (TTCC)3 | (TTCC)3 | (TTCC)3 | (TTCC)3 | No. No variation. |
| lbpA | NGO0260a | nr | NGK_0401 | GGGGGCGG | GGGGGCGG | nr | nr | TGAAACGG | No. Replacement tract |
*From the N. gonorrhoeae strain FA1090 genome sequence (NC_002946.2).
†From the N. gonorrhoeae strain NCCP11945 genome sequence (CP00150.1).
‡From the N. gonorrhoeae strain FA19 genome sequence (NZ_CP012026.1).
§From the N. gonorrhoeae strain FA6140 genome sequence (NZ_CP012027.1).
||From the N. gonorrhoeae strain 35/02 genome sequence (NZ_CP012028.1).
¶From the N. gonorrhoeae strain MS11 genome sequence (NC_022240.1).
#Gene phase variation candidacy in N. gonorrhoeae. No. Replacement tract: due to the replacement of the repeat tract with other nucleotides, this is not phase-variable. No. No variation: due to no observed variation in the repeat tract, this is not phase-variable. No. No variation in length: due to the equal length tract in all strains, this is not phase-variable.
**This coding sequence contains a point mutation, which generates a premature termination codon.
nr, The region of the coding sequence containing the repeat tract does not have homology to the aligned region in these strains.