ANTIMICROBIAL AND ENZYMATIC ACTIVITY OF SOIL BACTERIA ISOLATED FROM THE NILGIRIS AND ERODE DISTRICTS, TAMIL NADU, INDIA AND ITS PLANT GROWTH PROMOTING PROPERTIES
NIMISHA GEORGE
Department of Microbiology, Dr. N.G.P. Arts and Science College, Coimbatore, Tamil Nadu, India.
T. SUSHMITHA
Department of Microbiology, Dr. N.G.P. Arts and Science College, Coimbatore, Tamil Nadu, India.
S. SENTHIL PRABHU *
Department of Microbiology, Dr. N.G.P. Arts and Science College, Coimbatore, Tamil Nadu, India.
*Author to whom correspondence should be addressed.
Abstract
Soil has generally been utilized to track down new anti-infection makers, at present a significant number of the 'old' anti-toxins are currently being controlled in the lab and synthetic changed to frame new variants of more established anti-microbials.In this study, soil samples were collected from a variety of locations, including agricultural and forest areas, and they were analyzed for antibiotic production. After the primary screening, the bacterial isolates were characterized, their antimicrobial activity against E. coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia, and Pseudomonas aeruginosa was checked, and their biochemical tests were done, and Bacillus sp. was found to be the bacterial isolate. Proteins known as soil enzymes are responsible for catalyzing specific substrate-dependent biochemical reactions in the soil that are essential for microbial life. The activity of amylolysis and proteolysis was examined. Different plants with particular growth patterns were found to have an activity that promoted plant growth. According to the findings of this study, the pharmaceutical industry may be able to harness antibiotic-producing bacteria strains for therapeutic purposes. This work may be used to further control microbial strains and provide potential information on the production of antibiotics. In addition, the ingredient that encourages plant growth can be identified and utilized extensively in agricultural industries.
Keywords: Antimicrobial, Soil sample, indigenous plants, antibiotic producing bacteria, Bacillus subtilis,, antimicrobial activity, Escherichia coli,, enzymatic activity, Aspergillus nigar., plant growth promotion