Wonders in Miniature - The Types of Bacteria That Impact Mankind

There are thousands of species of bacteria representing the simplest and oldest form of life on Earth. These ubiquitous creatures living in and around us in astronomical numbers and include both dangerous and useful bakterije.Prosječna person carries about a quarter pound (100 grams) of different types of bacteria in the gut, skin and mouth. They settle in the moist, nutrient-rich, protected by folds of our skin and multiply by dividing us to the old joke: "Why do bacteria fail at math tests answer -?. Because I think that is the same as multiplication and division,"

There are types of bacteria that can survive the most hostile environments of the Antarctic ice sheets and other species that are fine in the boiling pools of Yellowstone geyser. Recently, scientists have discovered bacteria thriving two miles deep in South African gold mine, living on nothing more than sulfate minerals and hydrogen from water uranium Split radioaktivnost.Mnoge types of bacteria in the presence of proving that life is much more adaptable than most believe, gives hope of finding alien life in distant, inhospitable planets.

The first person who has the taste of spoiled milk is definitely a brave soul, but from it came cheese and yogurt. Through centuries of experimentation, specialty cheeses such as Switzerland with its famous holes due to the beneficial bacteria that give off carbon dioxide during fermentation. Brevibacterium give limburger its strong odor, and also cause foot odor by the break down proteins in flaking skin between the toes.

Beer is beer by fermenting yeasts, producing alcohol from sugar. But it is helpful bacteria that give beer its complexity and acidity. Most brewers go to extremes to prevent bacterial contamination in Ales and lagers, however, a Belgian-style wheat beers need certain types of bacteria for their characteristic sour taste. At the tail end of the brewing process, the University of Queensland in Australia is teaming up with the beer maker to generate electricity from brewery waste voda.Posebna fuel cell was developed in which beneficial bacteria convert sugar waste, starch and alcohol into electricity and clean water.

In 1975 Steven Lindow of the University of Wisconsin discovered that one of the more common types of bacteria, Pseudomonas syringae , which is located on the leaves and grass, produces a protein that enhances frost formacije.Proteina of these beneficial bacteria, sold under the brand Snomax (R), now used worldwide to increase the efficiency of the ski slopes of snow.

, on the other hand, P. syringae is a gene that produces frost-inducing protein was removed to create what was thought to be beneficial bacteria that, when sprayed on crops, could prevent frost damage. Although its use could save millions in crop damage each year, genetically altered bacteria, called Frostban, failed to gain widespread acceptance and was challenged by environmentalists and activists, who feared the organism to spread and mutate in unpredictable ways.

In another clever use of beneficial bacteria, the world's strongest glue to adhere to wet surfaces May be available soon. Caulobacter crescentus bacteria attach themselves to rocks in streams and lakes using a long or a sticky molecule šećera.Prirodni, non-toxic glue of these beneficial bacteria is two to three times stronger than super glue, and scientists hope to can be mass produced in the near future.

We have also benefited from the help of bacteria that live inside of us. It is estimated that between 5,000 and 10,000 different species of bacteria inhabit the human body. In the colon microflora synthesizes complex community of vitamins such as vitamin K, folic acid and biotin. A few days after birth, newborns are colonized by lactobacilli, a group of helpful bacteria that convert milk protein to lactic kiselinu.Bakterije remain present throughout life. These microbes are widely used in the manufacture of sour milk, yogurt and cheese.

There is growing evidence about the benefits of the supplement to the body's natural intestinal flora with probiotics, which are live bacteria considered beneficial to human body. Probiotics improve the balance of intestinal flora, help in digestion and improve immune function. These beneficial bacteria found naturally in fermented foods such as miso, tofu and jogurt.Osobe bacterial balance can be thrown with antibiotics or unfriendly bacteria overpopulating due to stress or illness. When this happens, the body becomes susceptible to conditions such as diarrhea, irritable bowel syndrome, and inflammation.

Our lips are of prime minister will host many species of bacteria. Because we eat a lot of the same foods that bacteria like, our teeth are sensitive to acidic substances metabolism of bacteria. Our teeth are 97% calcium and when enough calcium is dissolved by the acid, the tooth surface (enamel) breaks and makes rupu.Vrste bacteria that cause decay are four types Streptococcus.Zanimljiv Sidebar is a biotech company, Oragenics, has approval from the FDA to conduct research the bacterial treatment to replace the bacteria that convert sugar into acids with beneficial bacteria genetically engineered to not produce acid.

Food-borne illness causes between 24 and 81 million of us each year in the United States. Food poisoning caused by bacteria is the most common form of the disease and 90% of cases are caused by only eight types of bacteria. Consuming as few as 15-20 cells will cause the onset of symptoms within 6-48 hours. It is estimated that is 2 to 4 million cases of salmonellosis occur in the U.S. annually.

Another culprit of food poisoning is a Escherichia coli , often called E. coli . Most E. coli serve as a helpful bacteria that are without effect in our digestive tract, where they synthesize vitamin A. However, there are rare species E. coli who enterovirulent (entero = intestine; virulent = poison). These particular types of bacteria produce potent toxins that damage to the lining of the intestine, leading to intense abdominal cramps and bloody diarrhea. Ten or more seats in one day are zajedničke.Rezultat dehydration and electrolyte loss can be fatal if not liječi.Gutanja as few as 10 organisms considered infectious dose.

Humans are exposed to billions of bacteria daily. Most of them are helpful bacteria that are vital to our survival and dobrobit.Vrlo few species of bacteria are deadly if ingested, and our body's natural defenses can not eradicate them. Yet the benefits of these little creatures bring to our world and our improving understanding of the myriad of beneficial bacteria encourages product innovation in the field of medicine, health, food technology and leisure activities.