1.4.1. Safety Aspects of Probiotics Today‚ there are evidences that probiotic strains used as commercial bacteria are safe to use in applications. The safety of the probiotic products is appraised with the phenotypic and genotypic characteristics and the statistics of used microorganisms (Çakır 2003). Safety aspects of probiotic bacteria include the following requirements. 1. Strains for human use are preferred to be human origin. 2. They are isolated from healthy human gastrointestinal tract. 3
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Bacterium identified as: Assigned bacterium was: Discussion & Conclusion Based upon your results‚ is your bacteria sample a strict aerobe‚ strict anaerobe‚ facultative anaerobe‚ or microaerophile?
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Abstract: This lab works to develop the understanding of bacterial transformation through the integration of a plasmid into E-coli bacteria. Understanding of plasmids‚ GFP‚ expression of genes and bacterial candidates is used to formulate a lab which demonstrates a variety of factors associated with transformation efficiency. It was deduced that there are certain requirements present in the pGLO plasmid for full gene expression and that an increase in transformation solution positively impacts
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or heat fix. 5. Cover with methylene blue for 30 seconds and rinse. Blot dry. ---FROM BROTH: 1. Mark the smears on the underside. 2. Place 2 to 3 loopfuls of the liquid culture on the slide with a sterile loop. 3. Spread the bacteria within the circle. 4. Allow the smear to dry at room temperature or heat fix. 5. Cover with methylene blue for 30 seconds and rinse. Blot dry. NOTES: Staphylococcus epidermis Staph- Clusters Small blue circles Bacillus megaterium
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Presence of nitrogen fixing Klebsiella pneumoniae in the gut of the Formosan subterranean termite (Coptotermes formosanus) (p3297) A Review by: Mark Edge (Faith & Jaelen Love You) Because the Formosan termite is an economically important pest. Researchers are concentrating efforts on understanding the details of their physiology. Before the late 80’s early 90’s not much physiological research was concentrated toward any one species of termite outside of general physical characteristic‚ anatomy
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into two groups‚ those which had red blood and those that did not. Two-kingdom classification - In Linnaeus’ time Two Kingdom classification (Kingdom Plantae & Kingdom Animalia) was developed. Drawbacks of 2-kingdom classification Prokaryotes (Bacteria‚ cyanobacteria) and eukaryotes (fungi‚ mosses‚ ferns‚ gymnosperms and angiosperms) were included under ‘Plants’. It is based on the presence of cell wall. But prokaryotes and eukaryotes are widely differed in other characteristics. It included
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The substance used in antisepsis is called an antiseptic‚ which is used to kill a broad range of infections. An antiseptic is different from an antibiotic‚ which is used to target a certain type of bacteria. Once scientists and surgeons learned more about bacteria and the connection between bacteria and infection‚ they developed ways to prevent the latter. Antiseptics are applied to the skin to reduce the possibility of infection. Common antiseptics include rubbing alcohol‚ boric acid‚ hydrogen
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Escherich originally named the bacteria‚ bacillus communis coli. After the demise of Dr. Escherich the intestinal bacteria was then named Escherichia coli after the late doctor in 1919. The bacteria Escherichia coli are classified as follows. Domain- Bacteria Kingdom- Eubacteria Phylum- Proteobacteria Class- Gammaproteobacteria Order- Enterobacteriales Family- Enterbacteriaceae Genus- Escherichia Species- E. coli Escherichia coli is a heterotrophic bacteria that is most commonly found within
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Yesinia Pestis Yesinia Pestis is the bacteria that caused the Bubonic Plague in 1347 and marched across Europe killing many people. This bacterium can grow with or without oxygen making its expansion inevitable. Yesinia Pestis is able to survive for several months in cool‚ moist places like rodent holes. People in the United States can be infected by Yesinia Pestis each year from flea or rodent bites‚ it is estimated that 10 to 20 people are infected yearly. Bacteria transmission occurs in one or in
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AND DETEGENTS AGAINST BACTERIA BACTARIUM EVALUATION OF EFFECTIVITY OF SOAPS AND DETEGENTS AGAINST BACTERIA
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