Production of Single-Cell Oil from a Local Isolate Bacillus subtilis Using Palm Fronds

Figure 2

Microscope photos of B. substiles cells. (a) B. subtilis cells under a compound light microscope (100x magnification), after staining them with Gram stain. (b) Formation of blackboards after 30 days, from keeping B. subtilis in the refrigerator.

(a)

(b)