“Venter concluded from a two-year study of marine microbes that for every 200 miles of ocean, 85 percent of the species, judged by unique genetic sequences, changed. The ocean appears to contain millions of subenvironments rather than one massive marine… — Anne E. Maczulak Copy Share Image
“that a given bacterial species caused a specific disease. In 1876, Koch established a set of criteria that a bacterium must meet in test… — Anne E. Maczulak Copy Share Image
“Pasteur had received an honorary degree from the University of Bonn in 1868, but returned it later during the height of French-German tension. “Today… — Anne E. Maczulak Copy Share Image
“Guesswork plays a part in these estimates. Bacteria exist 40 miles above the Earth and 7 miles deep in the ocean, and most of… — Anne E. Maczulak Copy Share Image
“During a rabies scare in 1885, Pasteur concocted a treatment and gave the untested drug to a nine-year-old boy, Joseph Meister, who had been… — Anne E. Maczulak Copy Share Image
“The pH rises in the intestines and bacterial numbers increase a millionfold from about 1,000 cells per gram of stomach contents, which to a… — Anne E. Maczulak Copy Share Image
“commented on the future of antibiotic drugs. Perhaps, Fleming mused, a time would come when anyone with real or perceived illness could get penicillin.… — Anne E. Maczulak Copy Share Image
“around, some microbiologists have suggested that classifying bacteria by species is futile. It seems as if all bacteria belong to one mega-species, and different… — Anne E. Maczulak Copy Share Image
“Skin bacteria in these places degrade the sweat’s sebaceous oils to a mixture of small fatty acids and nitrogen- and sulfur-containing compounds, all of… — Anne E. Maczulak Copy Share Image
“Venter concluded from a two-year study of marine microbes that for every 200 miles of ocean, 85 percent of the species, judged by unique… — Anne E. Maczulak Copy Share Image
“No one knows the number of bacterial species. About 5,000 species have been characterized and another 10,000 have been partially identified. Biodiversity authority Edward… — Anne E. Maczulak Copy Share Image
“(Courtesy of BioVir Laboratories, Inc.) Three years after Koch and Hesse switched to agar-based media, another assistant in the laboratory, Richard J. Petri, designed… — Anne E. Maczulak Copy Share Image
“Communities contain a messaging system in which identical cells or unrelated cells respond to each other and change their behavior. This adaptation is called… — Anne E. Maczulak Copy Share Image