Agar dilution tubes Agar dilution tubes are mixed cultures diluted in molten agar琼脂稀释管 Useful for purifying anaerobic organisms Colonies Paraffin-mineral oil seal Colonies of oxygen- sensitive anaerobes can be obtained using the agar uebipeW 'Lleey!W pue 6unr shake technique.对氧敏感 的厌氧菌 (b) 2012 Pearson Education,IncMicrobiology, Shanghai Jiao Tong University Agar dilution tubes are mixed cultures diluted in molten agar 琼脂稀释管 • Useful for purifying anaerobic organisms Agar dilution tubes Colonies of oxygen￾sensitive anaerobes can be obtained using the agar shake technique. 对氧敏感 的厌氧菌