Probe Location: 280 µm
Local O₂ Tension: 6.5%
Niche: Microaerobic (5-8% Optimal)
Sim Clock: 02h 45m
P. melaninogenica (Viable)
Active Division Phase
ROS Arrest / Lysis
O₂ Diffusion Gradient Probe
Colony Growth Rate
0.84 dbl/h
Population Viability
96.4%
Intracellular ROS
18.2 µM
Colony Size (CFU)
58,400
Mechanistic Insight: At 6.5% O₂, Prevotella melaninogenica activates catalase-independent alkyl hydroperoxide reductases, sustaining rapid 0.84 doublings/hr. Century-old dogma predicted instantaneous death above 0.5% O₂.