In the current study, prevalence rate of VVC was found to be 18.4 %, and among the various azoles tested, fluconazole has the highest antimicrobial activity.
To study the possible importance of mycobacterial ES-31 serine protease for bacterial cell growth, the effect of serine and metalloprotease inhibitors, anti-tubercular drugs such as isoniazid and anti-ES-31 antibody, was evaluated on mycobacterial ES-31 serine protease in vitro and on bacilli in axenic and macrophage cultures. Serine protease inhibitors such as pefabloc, 3,4 dichloroisocoumarin, phenyl methyl sulfonyl fluoride (PMSF) and metalloprotease inhibitors such as ethylene diamine tetracetic acid (EDTA) and 1,10 phenanthroline inhibited 65-92% serine protease activity in vitro. Isoniazid showed 95% inhibition on mycobacterial ES-31 serine protease. These inhibitors also showed decreased bacterial growth in axenic culture and inhibition was further confirmed by a decreased amount of ES-31 serine protease in culture filtrate. In human macrophage culture, highly inhibitory pefabloc, 1,10 phenanthroline and isoniazid inhibited infectivity of virulent as well as avirulent M. tuberculosis bacilli to macrophages. It was observed that addition of mycobacterial ES-31 serine protease to macrophage culture enhanced the entry of bacilli and their multiplication in human macrophages. However, the addition of anti-ES-31 serine protease antibody strongly inhibited the mycobacterial growth as observed by decreased CFU count, showing the importance of mycobacterial ES-31 serine protease for entry of bacilli and their multiplication.
The study was carried out from July 2010 to June 2011. The aim of the present investigation was to isolate Staphylococcus aureus from raw milk obtained from cow from different parts of Nagpur district, India and to determine their antibiotic susceptibility profile. General biochemical tests along with the MASTASTAPHTM rapid agglutination tests were employed for bacterial identification. All the well characterized isolates were further confirmed by amplifying coa gene by PCR. A total 95 S. aureus isolates were obtained during this study from 50 raw milk samples. When all the well characterized isolates were subjected to antibiotic susceptibility testing, erythromycin and chloramphenicol were the most effective antibiotics. A large proportion of isolates were found to be resistant to Co-trimoxazole (89%) followed by Linomycin (81%) and Penicillin (35%) It was concluded from the current study that the hygiene of the milk was poor and resistant strains contaminated the milk probably during the process of transportation.
The voltage generation from metabolic reactions of bacteria due to exudates in rhizosphere of rice crop was demonstrated by Azatobacter species and natural soil microbial flora using microbial fuel cell. It was observed that voltage generated
by microbial fuel cells increased from 0.5 V to 98.0 V till 60th day of the crop for one square feet area of rice field in laboratory conditions and on 90th day of the crop voltage was 1V maintained during day time. The range of increase in voltage
was dependent on the intensity of sunlight. It was estimated that if one square feet of rice plantation can produce 1V after 90th day by this method, then in case of one acre of plantation 43560 V could be generated on the 90th day of the crop on
each successive day. That might produce rice and enough voltage in an eco-friendly manner.
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