Muhammad Naseem Khan

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Shewanella putrefaciens has been identified as a specific spoilage organism commonly found in chilled fresh fish, which contributes to the spoilage of fish products. Limiting S. putrefaciens growth can extend the shelf-life of chilled fish. Endolysins, which are lytic enzymes produced by bacteriophages, have been considered an alternative to control(More)
OBJECTIVE To determine the effect of physical and chemical stress factors e.g. antibiotics, NaCl, glucose, heat shock, cold shock and sonic waves on biofilm formation by icaA positive and negative strains of Methicillin resistant Staphylococcus (S.) aureus. STUDY DESIGN Experimental study. PLACE AND DURATION OF STUDY Microbiological Analytical Centre,(More)
BACKGROUND The microbiological spoilage of fishery foods is mainly due to specific spoilage organisms (SSOs), with Shewanella putrefaciens being the SSO of most chilled marine fish. Bacteriophages have shown excellent capability to control micro-organisms. The aim of this study was to determine a specific bacteriophage to prevent spoilage by reducing SSO(More)
Control of harmful bacteria in food, aquaculture, pharmaceuticals, agriculture, hospitals and recreation water pools are of great global concern. Marine bacteria are an enormous source of bio-controlling agents. The aim of this study was to identify and optimize the growth conditions including effect of different biotic and abiotic factors on antimicrobial(More)
The present study aimed to investigate the relationship between protein carbonylation and changes of the IgE reactivity of turbot parvalbumin (PV) following electron beam (EB) irradiation. The concentration of protein carbonyls, specific IgE binding, and IgE binding inhibition between irradiated and oxidized PV were assessed. Irradiation resulted in a(More)
Anti-microbial resistance burden and hazard associated with chemical treatment of infections demanded for new anti-microbial natural products. Marine associated microorganisms are the enormous source of bioactive compounds. In this study we have isolated 272 marine bacteria among them 136 (50%) were antagonistic to at least one of the four pathogenic(More)
For rapid and quantitative detection of Vibrio parahaemolyticus, a method combining the specific lysis of bacteriophages with a bacterial luciferase-flavin mononucleotide:nicotinamide adenine dinucleotide oxidoreductase bioluminescent system in vitro was developed. A V. parahaemolyticus detection system was established by optimizing three main influencing(More)
Present study is based on 20 methicillin-resistant Staphylococcus aureus (MRSA) isolates recovered from different food items. These isolates were identified on the basis of colony morphology, Gram staining and growth on different selective and differential media. Studies on 16S RNA and positive reactions on DNase agar and Prolex Latex Agglutination system(More)
Sea urchin gangliosides have been proved to contain neuritogenic activities, which related to their molecular compositions. This study reports a method utilizing reversed-phase chromatography coupled to mass spectrometry for structure investigation and molecular species determination of the monosialogangliosides from sea urchin Strongylocentrotus nudus. Two(More)
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