Acinetobacter sp. BR-25‚ Enterobacter sp. BR-26‚ Microbacterium sp. BRS-1 and Pseudomonas sp. BRS-2. Kundaetal()isolated 193 PSB from the rhizosphere of chickpea‚ mustardand wheat grown in different areas of Harayana. On the basis of 20 biochemical test according to Bergey’s Manual of Systematic Bacteriology ‚ placed these isolates tentatively placed into four genera. Eighty seven isolates belonged to the genus Pseudomonas‚ 27 to Aeromonas‚ 35 to Klebsiella and 44 to Enterobacter. However‚ no host
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the precise qualifications. The point of this report is to further explore the identification of my unknown bacteria by revealing the results of the experiments and comparing them to the other six known bacteria: Micrococcus luteus‚ Staphylococcus aureus‚ Staphylococcus epidermidis‚ Alcaligenes faecalis‚ Escherichia coli‚ and Proteus vulgaris that were used in the lab‚ as well as comparing and contrasting the actual and factual results. Its unique pink rod shaped morphology was the first step observed
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CHAPTER I INTRODUCTION 1.1 Background Food is one of human sources of calorie‚ protein‚ fats‚ and nutrition. Yet‚ because of the highly nutritious content‚ food is susceptible to growth of microorganisms. By the presence of microorganisms in food‚ the food is more likely to have shorter shelf life. Thus‚ mostly it is resolved by the addition of antimicrobial substances to food‚ such as condiments and preservatives. Condiments and preservatives could inhibit the growth of microorganisms
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185-195 2. Cébrian G‚ Condón S‚ Mañas P: Heat-adaptation induced thermotolerance in Staphylococcus aureus: Influence of the alternative factor sigmaB. Interational Journal of Food Microbiology 2009‚ 135(3): 274-280 3. Gasper B: Laboratory Period 6 – Effect of Osmotic Stress and Temperature on Microbial Growth. BIO 3400 Microbiology Laboratory Manual 2012‚ 1: 43-47 4. Graham JE‚ Wilkinson BJ: Staphylococcus aureus osmoregulation: roles for choline‚ glycine betaine‚ proline‚ and taurine. Journal of
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REVIEW OF RELATED LITERATURE This investigatory project aims to make use of rambutan peeling extracts that is high in phenolic compounds such as tannin and saponin that exhibits antioxidant activity and antibacterial activity against pathogenic bacteria. Although the seeds contain such compounds the peeling exhibit greater amount of the said compounds. Rambutan is a very popular fruit cultivated in the Philippines and it is eaten in large amounts. The rambutans rind is quickly discarded and
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This experiment deal with the evaluation of antimicrobial activity of two antiseptics which are 5 % iodine and 5% formaldehyde‚ against two organism Pseudomonas fluorescens (gram-negative) and Serratia marcescens (gram-negative). MATERIALS Chemical agent to be tested (5 % iodine and 5 % formaldehyde) Cultures of Pseudomonas fluorescens and Serratia marcescens. Sterile petri dishes Liquid nutrient agar Sterile filter paper disc PROCEDURE i. The bottom of a petri dish has been
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correspond with the results. I obtained tube number twelve to run various tests on. There are only two microorganisms‚ one is Gram positive and one is Gram negative‚ inside the test tube. The Gram positive possibilities are to be narrowed down from Bacillus cereus‚ Clostridium perfringens‚ Corynebacterium xerosis‚ Enterococcus faecalis‚ Streptococcus agalactaie‚ Staphylococcus aureus‚ and
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BACTERIA Identification (Classification I. Domain: Bacteria 1. Gram Negative Proteobacteria (Phylum XII) Non-Proteobacteria 2. Gram Positive LOW G+C (Phylum XIII) HIGH G+C (Phylum XIV) II. Domain: Archaea III. Domain: Eukarya (Gram Negative 1. Bordetella pertussis Pertussis/Whooping Cough 2. Eikenella corrodens Human Bite Injury
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Review all chapters in your exercise manual beginning with the introduction INTRODUCTION: (Covered 9.4.14 II Week 1) Biosafety levels1: basic level of containment. Hand washing or wearing gloves 2: Appropriate for working with human body fluids. Autoclave‚ sharps containers‚ lab coats 3: appropriate for working with pathogens that can be transmitted via respiratory route. Self-closing‚ double doors and sealed windows 4: Highest level. Aerosol pathogens; pathogens with no vaccine/treatment. Separate
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identification of a mixed culture of Gram-negative and Gram-positive bacteria 2. Author: Nick Fiore‚ University of Kansas‚ Biology 402‚ Fall 2014 3:00pm room 6040 3. Abstract: The purpose of this experiment was to isolate two unknown bacteria and perform a series of selective and differential tests to correctly identify each. After the bacteria was isolated a series of differential and selective tests following the dichotomous key attached were used to identify each bacteria. The Gram-positive bacteria were
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