October 2014
Detection of cockroaches as mechanical carrier of Escherichia coli and Salmonella species
Cockroaches are cosmopolitan and are found in warm snug places. They are active at night and like to live in humid cracks, behind appliances, cabinets and drawers. They carry microbes on their external body surfaces as they often live in unsanitary places and are thus dangerous to human. This study was carried out in Quetta city. 50 samples of cockroaches were collected from washroom, kitchen and gardens from different...
October 2014
Assessment of antimicrobial effect of moringa: In vitro and in vivo evaluation
This study was carried out to evaluate the antibacterial activity of water and ethanol extracts of Moringa oleifera (lam) leaves against major food poisoning reference strains using agar well diffusion method. Ethanolic extract showed greater antibacterial activity than water extract. The highest zones of inhibition were against Gram negative bacteria: Escherichia coli O157 ATTC 700728, E. coli O78, E. coli O26,...
October 2014
Metal and antibiotic resistance among heterotrophic bacteria inhabiting hospital waste water and polluted sea water
The pollution of marine environment with heavy metals, antibiotics, dyes and surfactants may possess a serious threat to human life and the other organisms because of their toxicity and ability to persist for long time. The metals and antibiotics resistance of 48 heterotrophic bacterial isolates from hospital waste water and polluted sea water were studied. The minimum inhibitory concentrations (MICs) of heavy metals...
October 2014
Effects of fertilizers and soil amendments on the incidence of Sclerotinia stem rot in Indian mustard (Brassica juncea L.)
Indian mustard [Brassica juncea (L.)] is a major oilseed crop, grown in rabi season in India. Sclerotinia stem rot, stem blight or white rot disease caused by Sclerotinia sclerotiorum (Lib.) de Bary is a serious problem in mustard crop in Northern India. The present investigations were undertaken to understand the role of fertilizers and organic amendments on disease development in mustard crop under field conditions....
October 2014
Microbiological assessment of bottled water brands in the Bulawayo market, Zimbabwe
This study aimed at evaluating the microbial quality of bottled water available in the Bulawayo market necessitated by the influx of local and imported bottled water brands into the market. The samples were analysed for Escherichia coli, heterotrophic plate count (HPC), total coliforms, feacal coliforms and for Pseudomonas aeruginosa. Total coliforms had a prevalence of 10% in local bottled water brands with bacterial...
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