Fig. 6From: Bacillus sp. YC7 from intestines of Lasioderma serricorne degrades nicotine due to nicotine dehydrogenaseSDS-PAGE of the crude enzyme solutions of YC7. M: Marker; lane 1: fermentation solution; lane 2: liquid culture medium; lanes 3–5 are the ammonium sulfate saturation: 0–30%, 30–50%, and 50–80%, respectivelyBack to article page