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Bacteria genera found in both air samples and the Antarctic include Staphylococcus, Bacillus, Corynebacterium, Micrococcus, Streptococcus, Neisseria, and Pseudomonas. Bacteria were also found living in the cold and dark in a lake buried a half-mile deep (0.80 km) under the ice in Antarctica.
Four strains of bacteria, three of which were previously unknown to science, have been found on the space station. … The space station is a unique environment because it has been entirely isolated from Earth for years, so a multitude of experiments have been used to study what kind of bacteria is present there.
The largest U.S. E. coli O157 outbreak occurred in 1999 at a county fair due to contaminated drinking water and involved 781 ill persons; 9% were hospitalized, HUS developed in 2%, and 2 died (26).
cholerae and enterotoxigenic E. coli, to microbial toxins. Edible vaccines have also provided laboratory animals with some protection against challenge by the rabies virus, Helicobacter pylori (a bacterial cause of ulcers) and the mink enteric virus (which does not affect humans).
The microbes in a BSL-4 lab are dangerous and exotic, posing a high risk of aerosol-transmitted infections. Infections caused by these microbes are frequently fatal and without treatment or vaccines. Two examples of microbes worked with in a BSL-4 laboratory include Ebola and Marburg viruses.
There are three stages of Lyme disease. Stage 1 is called early localized Lyme disease. The bacteria have not yet spread throughout the body. Stage 2 is called early disseminated Lyme disease.
The traditional view of prokaryotic classification groups species according to whether they lack a cell wall altogether (Tenericutes), or are either thin-walled and “Gram-negative” (Gracilicutes) or thick-walled and “Gram-positive” (Firmicutes), as revealed by treatment with the classic Gram stain.
The streptomycetes have a filamentous form rather than the more familiar rod-shaped spirochete and coccoid forms. … Streptomyces coelicolor is an important model system for this genus – research on this bacterium has provided foundational information for all of these fascinating processes.
Streptomyces species are novel plant pathogens in that they are filamentous prokaryotes. This genus is distinguished by the production of nonfragmenting substrate mycelium that colonizes and penetrates organic matter in the soil.
Streptomycetes are infrequent pathogens, though infections in humans, such as mycetoma, can be caused by S. somaliensis and S. sudanensis, and in plants can be caused by S.
