1 1.5 Kb 2 3 4 5 6 7 8 9 750 bp a b b Fig. S1 Agarose gel electrophoresis of (a) Bacterial specific 16 S rDNA and (b) Fungal specific ITS amplicons from metagenomic DNA isolated from various soil samples. Lane 1- Amplified product from purified forest soil metagenomic DNA, Lane 2 – No amplification in control forest soil metagenomic DNA, Lane 3- Amplified product from purified biocompost metagenomic DNA, Lane 4 – No amplification in control biocompost metagenomic DNA, Lane 5 – 1Kb (NEB) ladder, Lane 6- Amplified product from purified termite nest metagenomic DNA, Lane 7– No amplification in control termite nest metagenomic DNA, Lane 8- Amplified product from purified mangrove forest metagenomic DNA, Lane 9 – No amplification in control mangrove forest metagenomic DNA (b) Fungal specific ITS PCR amplicons from DNA isolated from various soil sample using the optimized protocol. Lane 1- Amplified product from purified forest soil metagenomic DNA, Lane 2 – No amplification in control forest soil metagenomic DNA, Lane 3- Amplified product from purified biocompost metagenomic DNA, Lane 4 – No amplification in control biocompost metagenomic DNA, Lane 5 - Amplified product from purified termite nest metagenomic DNA, Lane 6 – No amplification in control termite nest metagenomic DNA, Lane 7- Amplified product from purified mangrove forest metagenomic DNA, Lane 8 – No amplification in control mangrove forest metagenomic DNA, Lane 9 – Fermentas 1 Kb ladder