Abstract
Abstract: An investigation was carried out using Pikovskaya Broth (PKB), Luria Bertani Broth (LBB), and Peptone Water (PW) to analyse growth expressions of constructed Bacillus subtilis sub sp and compared to a commercial Bacillus subtilis RIK 1285. The aim was to determine the effect of carbon, nitrogen and other elements at different variations on the metabolic activities under different conditions. The results obtained showed growth density of 4.1 g/ml at 70oC and 3.1 g/ml at pH 6.0; 3.3 g/ml at 70oC and 2.8 g/ml at pH 6.0; 3.8 g/ml at 60oC and 2.6 g/ml at pH 7.0 from PKB, LBB and PW respectively. The growth density of the commercial strain recorded 3.8 g/ml at 50oC and 2.8 g/ml at pH 7.0; 3.1 g/ml at 50oC and 2.3 g/ml; 3.0 at 50oC and 2.3 at pH respectively. The investigation showed importance and relevance of gene metabolic upgrade on the utilization of multiple nutrients present from one media to another. Keywords: media formulation, microbial reaction, growth promoters, growth density
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