Adaptive responses to static conditions in nutrient-rich cultures of luminous Ralstonia eutropha
1Institute of Biochemistry, Mokslininku 12, LT-08662 Vilnius, Lithuania. simkus@bchi.lt
Biotechnology Letters
|June 1, 2004
Abstract:
The lux-gene fused Ralstonia eutropha, when adapting to static conditions, causes stratification of air-exposed and nutrient-rich cultures at above 0.15 mg biomass ml(-1). The O2 respiring biofilm (luminous neuston) phase, along with the dark sub-neustonic suspension phase, develops within 5-60 min. The instability of the biphasic static culture was identified as a reason for occasionally observable oscillatory bioluminescence.
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