TABLE 1.

Endogenously synthesized organic osmolytes of different Bacillus species and related genera analyzed by 13C-NMR spectroscopy

Osmolyte production
StrainMedium (M NaCl)EctoineProlineGlutamateHydroxyectoine
B. subtilis (JH642)SMM (1)++
B. licheniformis (DSM 13T)SMM (1)++
B. megaterium (DSM 32T)SMM (1)++
B. cereus (DSM 31T)SMM (0.5)+
B. circulans (DSM 9T)SMM (0.5)+
B. thuringiensis (DSM 2046T)SMM (0.5)+
A. aneurinilyticus (DSM 5562T)SMM (0.5)+
P. polymyxa (DSM 36T)SMM (0.5)+
B. alkalophilus (DSM 485T)SMM (1)++
B. psychrophilus (DSM 3T)SMM (1)++
B. pasteurii (DSM 33T)SMM (1)++
S. salexigens (DSM 11438T)MM (3.4)a+++
V. pantothenticus (DSM 26T)SMM (1)+++
  • a MM, mineral-salt-based medium.