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. 2020 Jun;55:40–47. doi: 10.1016/j.mib.2020.02.004

Table 1.

Two-component systems in S. aureus and S. saprophyticus

Two-component system S. aureus S. saprophyticus Function
walRK MW0018 SSP0021 Cell wall maintenance, cell viability
MW0019 SSP0022
hptSR MW0198 Intracellular survival, uptake of hexose phosphate
MW0199
lytSR MW0236 SSP0463 Autolysis, eDNA release, biofilm
MW0237 SSP0464
graRS MW0621 SSP2061 AMPs resistance, growth at low pH
MW0622 SSP2062
saeSR MW0667 Virulence factors regulation (toxins, exoenzymes…)
MW0668
tcs7SR MW1208 SSP1446 Uncharacterized function
MW1209 SSP1547
arlSR MW1304 SSP1323 Pathogenesis mechanisms: autolysis, adhesion, biofilm…
MW1305 SSP1324
srrBA MW1445 SSP1260 Anaerobic respiration metabolism, growth at low temperature
MW1446 SSP1261
phoRP MW1636 SSP1073 Phosphate uptake and homeostasis
MW1637 SSP1074
airRS MW1789 SSP0946 Oxidative stress response
MW1790 SSP0947
vraRS MW1824 SSP0908 Cell wall-affecting antibiotic resistance, cell wall biosynthesis
MW1825 SSP0909
agrCA MW1962 SSP0839 Quorum sensing control of adhesion and virulence factors
MW1963 SSP0840
kdpDE MW2002 Potassium homeostasis regulation
MW2003
hssRS MW2282 SSP0540 Heme metabolism regulation
MW2283 SSP0541
nreCB MW2313 Response to low oxygen, nitrate reduction
MW2314
braSR MW2544 Antimicrobial peptide resistance
MW2545