Abstract
In this study, we investigated the proline and protease production of different bacteria in several organic waste materials. Our aim was to produce proline and protease economically in waste that is abundantly available while reducing its environmental impact. 5 ml of different organic waste materials (OWW: Olive waste water; N.B: Nutrient Broth; EW: Eggshell; PBS: PBS buffer; PLW: Peach leaf wastes; TCW: Turkish coffee wastes; TWW: Tea waste water; WCW: Waste cheese whey; WFO: Waste frying oil) were placed in 10 ml grow tubes, inoculated and incubated for 24 h. Phosphate-buffered saline and 10% solutions of different organic wastes were added. These cultures were subsequently incubated at 37°C for 24 h. Cells were harvested at 24 h for L-proline assay. 1 ml of culture was transferred by pipette into an Eppendorf tube and centrifuged at 14,000 rpm for 20 min at room temperature. Cellular debris was removed by centrifuge and the supernatant was used for proline activity assays. Protease activity was determined using a modified method with casein as the substrate. We found that proline and protease can easily be produced economically using Turkish coffee wastes (TCW), Waste cheese whey (WCW) and Olive waste water (OWW) organic waste. We believe that this study will result in similar research leading to the economical use of these waste materials thus reducing their impact on the environment.
Highlights
Microbial degradation, or biodegradation, appears to be the most environmentally friendly method of removing hydrocarbons
The aim of this study was to investigate the presence of E. coli, B. cereus, S. aureus and P. aeruginosa in various organic waste materials, to record survival levels and to measure the production of proline and protease
We evaluated various organic waste materials (e.g. OWW: Olive waste water; EW: Eggshell PLW: Peach leaf wastes; TCW: Turkish coffee wastes; TWW: Tea waste water; WCW: Waste cheese whey; WFO: Waste frying oil) found in the environment
Summary
Biodegradation, appears to be the most environmentally friendly method of removing hydrocarbons. Other methods can result in toxic compounds entering the environment. In the context of disease, this flagellar swimming motility is important in infection because the lack of. The close motility of E. coli cells is important in the early stages of biofilm formation and pathogenic infection (Lauga et al, 2006). E. coli cells are important in the early stages of biofilm formation and pathogenic infection. E. coli cells have several extracellular, helical thread-like structures called flagella (Lauga et al, 2006; Mittal et al, 2003)
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