Word: coli
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Bacteria act that way only in rare genetic emergencies. Dr. Tatum selected two groups of Escherichia coli (bacteria which Jive in the intestines) and watched them. They multiplied normally by splitting in two, a solitary process. Then Dr. Tatum bombarded some of them with X rays and ultraviolet light. This damaged their insides. The metabolic cripples could still multiply by division (when coddled), but Dr. Tatum hoped that offended nature would somehow force them to repair their deficiencies...
...Streptothricin protects mice against 10,000 times the ordinary lethal dose of Salmonella schottmülleri (paratyphoid fever organism), Escherichia coli (colon bacillus) and Bacterium shigae (cause of Shiga dysentery). The drug's usefulness against typhoid bacteria has not yet been tested in mice, but it is effective against test-tube typhoid...
...kill the spirochete. Sulfa drugs are not effective against syphilis. But penicillin will not entirely supplant sulfa drugs. The sulfa drugs are still necessary for: 1) intestinal infections (penicillin is destroyed in the digestive tract); 2) bacillus coll infections of the urinary tract (penicillin does not attack b. coli); 3) as prophylactics in epidemics of certain diseases like meningitis, pneumonia, gonorrhea (penicillin is excreted too fast to be used for this purpose...
Biologist Ely nurtured a colony of mixed (Escherichia coli and Staphylococcus aureus) bacteria on sodium phosphate whose phosphorus was radioactive. Next he injected them into the tail veins of rats. Few hours later he analyzed the rats' organs for radioactivity, found it greatest in the liver and the lungs, weakest in the brain. Concluded Ely: "The brain, apparently, has an effective means of preventing bacteria from entering it in large numbers." Further significant conclusions will probably appear as work progresses with this new technique...
...Elsbach's treatment short-cuts all this. He uses a specially prepared salt solution of organic substances produced by the ordinary Bacillus coli, found in human intestines. No scratch tests are necessary, for the Coli Metabolin acts on all forms of hay fever. Somehow the compound has a tonic effect on the irritated sympathetic nervous system. Treatment consists of eight to twelve injections; the first five injections are given daily, the rest every other day. Said Dr. Elsbach: "Treatment before the onset of hay fever is not necessary but should be started when the first symptoms appear. A marked...