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In both sexes, disseminated gonococcal infection (DGI) can occur, leading to multiple distant sites of infection which can include the brain, heart and joints. Diagnosis of gonorrhea Doctors or other health care workers usually use three laboratory techniques to diagnose gonorrhea: staining samples directly for the bacterium, detection of bacterial genes or DNA in urine, and growing the bacteria in laboratory cultures. Many doctors prefer to use more than one test to increase the chance of an accurate diagnosis. The staining test involves placing a smear of the discharge from the penis or the cervix on a slide and staining the smear with a dye. Then the doctor uses a microscope to look for bacteria on the slide. You usually can get the test results while in the office or clinic. This test is quite accurate for men but is not good in women. Only one in two women with gonorrhea have a positive stain. It turns out that legume plants guide the evolution of rhizobia towards greater mutualism by reducing the oxygen supply to nodules that fix less nitrogen, thereby reducing the frequency of cheaters in the next generation. Frankia and Azospirillum, are genera of similar bacteria that do not live on legumes. Agrobacterium is a genus of bacteria that cause tumors in plants. Agrobacterium tumefaciens is the most commonly studied species in this genus. Agrobacterium is well known for its ability to transfer DNA between itself and plants, for this reason it has become an improtant tool for plant improvement by genetic engineering. Taxonomic note: The Agrobacterium genus is quite heterogeneous, recent taxonomic studies have reclassified all of the Agrobacterium species in to new genera, such as Ruegeria, Pseudorhodobacter and Stappia. But most species have been reclassified as Rhizobium species. Click on following items to see more information: Aeromonas, Antibacterial, Antibiotic, Antibacterial, Bacilli, Bacillus subtilis, Bacteremia, Bacterial, Bacterial, Bacterium, Biological reactor, C. albicans, Cell suspension, Clostridium, Cryptococcus, E. coli, E. coli, E. coli, E. coli, E. coli, Enterobacter, Eubacteria, Yeast, Gram negative, Haemophilus, Lactobacilli, (mic), Bacterial, Bacterium, Multidrug resistance, Penicillin, Proteus, Pseudomonas, Saccharomyces cerevisiae, Saccharomyces cerevisiae, Salmonella, Schizosaccharomyces, S. aureus, Staphylococci, Streptococcus, Thermophilic, Wastewater Beginning around 1876 Pasteur's studies on chicken cholera led to the development of vaccines to fight the disease. Cholera was a serious problem since it was able to spread through a barnyard and wipe out a flock in as little as 3 days. It was transmitted by contaminated food or animal excrement. Pasteur had identified the cholera bacillus and was growing it in pure culture. When injected with it, a chicken invariably died within 48 hours. Bioremediation can be defined as any process that uses microorganisms or their enzymes to return the environment altered by contaminants to its original condition. Bioremediation may be employed in order to attack specific contaminants, such as chlorinated pesticides that are degraded by bacteria, or a more general approach may be taken, such as oil spills that are broken down using multiple techniques including the addition of fertilizer to facilitate the decomposition of crude oil by bacteria.
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