Fig 1. Gel electrophoresis of metagenomic DNA extracted by methods M1 to M6 for four different soils.
Samples were electrophoresed on 0.8% agarose gel in 0.5X TBE buffer. 1A. Garden soil; 1B. Sewage sludge; 1C. Lake soil; 1D. Compost; Lane M represents 1Kb DNA ladder (Merck, India). Lanes 1 to 6 represents the methods M1 to M6 respectively. a,b,c represents the triplicates of corresponding method.