hospital nurseries Necrotizing fasciitis Streptococcus Pyogenes“Flesh eating” Direct Contact Extensive soft-tissue destruction Virulent antibiotic resistant strain Severe infections can eat through skin in 6 hours Otis external (Swimmer’s ear) Pseudomonas aeruginosaSwimming pools‚ saunas‚ hot tubs External ear canal infection also prevalent in burn victims Conjunctivitis (Pink eye) HaemophilesDirect Contact fomites Redness Allergies can also cause this condition Ophthalmia neonatorumNeisseria
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HYDRO-ECOSPHERE Hydro-ecosphere is considered as a more suitable habitat for microorganisms than the atmosphere and lithosphere‚ mainly because hydrosphere contains water‚ which is important in microbial metabolism (Atlas and Bartha‚ 1993). The unique properties of water are also attributes of hydrosphere as a suitable habitat. Due to polarity of water (slightly negative and slightly positive)‚ water is considered as a great solvent‚ capable of forming hydrogen bonding. Large heat
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Introduction Succession is the measurable process in which a community changes and thus the community as a whole is altered (Friedman 2017). To study succession‚ one must use one of the following methods: to observe any patterns that occur‚ to conduct experiments that manipulate specific variables in a community‚ or to construct a model that may undergo succession. One example of an experiment that measures microbial succession was an experiment observing changes in traditional Chinese soy sauce
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identification. It is suggested that culture #72 is an example of Serratia marcescens and Micrococcus luteus. There were ten bacteria species possibilities: Stahylococcus epidermidis‚ Bacillus subtilis‚ Escherichia coli‚ Serratia marcescens‚ Sarcina lutea‚ Pseudomonas fragi‚ Micrococcus luteus‚ Alcaligenes faecalis‚ Clostridium sporogenes‚ and Micrococcus roseus. There were several qualitative tests that could be conducted to determine the identity of the unknown species‚ for example‚ Gram staining‚ Fermentation
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spectrum betalactemase (ESBL) strain‚ for example‚ is striking. 12 antibiotics had greater than or equal to 95 percent effectiveness against the common K. pneumoniae strain‚ while only 2 antibiotics were as effective against the ESLB strain. P. aeruginosa and K. pneumoniae are only two of the many clinically relevant gram negative species that have recently become resistant to various
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This is due to hand soap not being an as large pollutant‚ as other pollutants are‚ which can include linear alkylbenzene sulfonate having a toxic effect on the growth of the cyanobacteria Microcysts aeruginosa (Wang et. al.‚ 2014). There are much larger problems that scientists should focus their attention on‚ which can include phosphorous nutrient enrichment from farmers‚ that feeds the growth of harmful algal bloomsHABs as well as many point source
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------------------------------------------------- The Processes of the nitrogen cycle Nitrogen fixation Atmospheric nitrogen must be processed‚ or "fixed" (see page on nitrogen fixation)‚ in order to be used by plants. Some fixation occurs in lightning strikes‚ but most fixation is done by free-living or symbiotic bacteria. These bacteria have the nitrogenase enzyme that combines gaseous nitrogen with hydrogen to produce ammonia‚ which is then further converted by the bacteria to make their own organic
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The role of bacteria in the soil Bacteria in the soil play key role in recycling matter in to useful nutrients which can be used by growing plants. This process of recycling matter in the soil by living organisms is called biogeochemical cycle. Bacteria are improving plants growth in other ways too‚ for example bacteria‚ such as Rhizobium‚ are in symbiotic relationship with the root system of some terrestrial plants. The most important elements‚ which allow terrestrial plants grow well‚ are
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Option F: Microbes and Biotechnology Diversity of Microbe F.1.1 Outline the classification of living organisms into three domains. Three domains of living organisms: 1. Archaea - very primitive; live in extreme habitats 2. Eubacteria - more advanced 3. Eukaryota - all life forms with eukaryotic cells (have a nucleus) Use of ribosomal RNA sequences for classification rRNA is found in all cells rRNA is easy to isolate Analyzed to determine the exact sequence of nucleotide bases
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saprophyte with a great variation in virulence in serotypes. 5. Disease is transmitted via contaminated water or diseased fish. Pseudomonas fluorescens 1. Short motile Gram-negative rods with polar flagella. 2. Lesions similar to Aeromonas hydrophila with a hemorrhagic septicemia resulting in hemorrhage of the fins and tail and ulceration of the skin. 3. Pseudomonas anquilliseptica causes a serious problem in Japanese eels with a septicemia resulting in petechial hemorrhage on fins and tail
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