Table 1. Prevalence of Bacillus species isolated from soil.
Isolatesa/Parameters | No. of isolatesb | Percentagec (%) | CFUml−1d | |
---|---|---|---|---|
Bacillus megaterium | 20 | 26.7 | 115 ×103 –198 ×105 | |
Bacillus subtilis | 12 | 16 | ||
Bacillus cereus | 10 | 13.3 | ||
Bacillus thuringiesis | 8 | 10.7 | ||
Bacillus lentus | 8 | 10.7 | ||
Bacillus mycoides | 4 | 5.3 | ||
Bacillus alvei | 4 | 5.3 | ||
Bacillus polymyxa | 3 | 4 | ||
Bacillus circulans | 3 | 4 | ||
Micrococcus roseus | 3 | 4 | ||
Total | 10 | 75 | 100 |
Notes.
The amylase-producing bacteria isolated from soil.
Number of each isolated type from the total number of the positive isolated sample.
Percentage of each isolate.
Average colony-forming unit of amylase-producing bacteria per ml of 100 g soil samples (highest value to lowest value).