3.4. 16S ribosomal sequence detection
The selected potential isolate were identified by 16S rDNA
sequencing and PCR parameters were optimized for
maximum amplification of 16S rDNA gene. BLAST was performed
for obtained sequences in order to find out homology
with the sequence in GenBank in which 99% similarity was
found with B. subtilis JX573541. Following BLAST, the best five
sequences were selected. All ambiguous position were
removed for each sequence pair was assessed by using
BOOTSTRAP program in sets of 100 re-samplings (MEGA-5).
The phylogenetic tree was constructed from the sequence
data by neighbor joining methods phylogenetic analysis, and
was identified as Bacillus sp. scale bar indicates 0.0001 substitutions
per nucleotide position