Tag Archives: DNA

The Effects of Chlorinated Drinking Water on Pig’s Spleen DNA Treated with Zinc Sulphate and Glutathione (Published)

Background and Aim: Disinfection of surface waters is often done to destroy pathogenic organisms present in water bodies in order to render water safe for consumption, but chlorination of drinking waters has been debated as being toxic to experimental animals including man. The aim of this work was to investigate using biochemical techniques whether disinfection of drinking water by chlorination is harmful or not. Materials and Methods: The materials used were water, calcium hypochlorite, Pig’s spleen, zinc sulphate and reduced glutathione. The water sample was obtained from river Jama’are in Bauchi state, and its quality assessed by estimation of temperature, pH, total dissolved solids, total hardness, Cl, SO32-, Na+, K+, Ca2+, and Mg2+ contents. The water sample was chlorinated using calcium hypochlorite (65-70% Cl2). DNA was isolated from Pig’s spleen and used as a model to test the direct effect of the chlorinated water sample on animal health. The effect was monitored spectrophotometrically. The effect of the chlorinated water sample on the biomolecule was also studied in the presence of zinc sulphate and glutathione (GSH). This was compared with that of a control experiment. Results: The results revealed that the chlorinated water sample altered the native structure of the isolated DNA. But in the presence of 0.1mM zinc sulphate and varied concentrations of GSH (0.1mM, 0.2mM and 0.3mM respectively) the chlorinated sample was found to have no noticeable effect on the isolated biomolecule; a pointer that Zn and GSH may have conjugated with chlorinated water products and detoxified them. Conclusion: It is suggested that drinking of chlorinated water is not harmful to health.

 

Keywords: Chlorination, DNA, Glutathione, Health, Pig, Water, Zinc

Genetic Transformation Of Phalaenopsis Amabilis With Resistance To Soft Rot Disease, Herbicide And Glowing In The Dark By Particle Bombardment Method (Published)

Genetic transformation of Phalaenopsis amabilis has been performed. We used particle bombardment method. The tungstens were coated with DNA (plasmid containing wasabi and bar gene, and co-plasmid containing luc gene). The purpose of this study is for crop improvement of ornamental plant. We obtained 27 transgenic P. amabilis. It is resistance to soft rot disease, herbicide and glowing in the dark. Interestingly, one of the transgenic plant propagated by itself. To the best of our knowledge, a concurent shot of wasabi and bar gene together with a luciferase gene is reported as a first study in this research.

Keywords: Bombardment Method, DNA, Genetic Transformation, Soft Rot Disease

The Effects of Chlorinated Drinking Water on Pig’s Spleen DNA Treated with Zinc Sulphate and Glutathione (Published)

Background and Aim: Disinfection of surface waters is often done to destroy pathogenic organisms present in water bodies in order to render water safe for consumption. But chlorination of drinking waters has been debated as being toxic to experimental animals including man. The aim of this work was to investigate using biochemical techniques whether disinfection of drinking water by chlorination is harmful or not. Materials and Methods: The materials used were water, calcium hypochlorite, Pig’s spleen, zinc sulphate and reduced glutathione. The water sample was obtained from river Jama’are in Bauchi state, and its quality assessed by estimation of temperature, pH, total dissolved solids, total hardness, Cl-, SO32-, Na+, K+, Ca2+, and Mg2+ contents. The water sample was chlorinated using calcium hypochlorite (65-70% Cl2). DNA was isolated from Pig’s spleen and used as a model to test the direct effect of the chlorinated water sample on animal health. The effect was monitored spectrophotometrically. The effect of the chlorinated water sample on the biomolecule was also studied in the presence of zinc sulphate and glutathione (GSH). This was compared with that of a control experiment. Results: The results revealed that the chlorinated water sample altered the native structure of the isolated DNA. But in the presence of 0.1mM zinc sulphate and varied concentrations of GSH (0.1mM, 0.2mM and 0.3mM respectively) the chlorinated sample was found to have no noticeable effect on the isolated biomolecule; a pointer that Zn and GSH may have conjugated with chlorinated water products and detoxified them. Conclusion: It is suggested that drinking of chlorinated water is not harmful to health.

Keywords: Chlorination, DNA, Glutathione, Health, Pig, Water, Zinc