Biography Read More. John R. Johnny Cash (February 26, 1932 â September 12, 2003), born J. R. Cash, was an American singer-songwriter, actor, and author, who has been called one of the most influential musicians of the 20th century.
This so-called hyperthermophilic microbe, discovered in a 95â (203â) geothermal pool, is only the second member of the ancient group Archaea known to grow by digesting cellulose above 80â. And the microbeâs cellulase is the most heat tolerant enzyme found in any cellulose-digesting microbe, including bacteria.
Microbes that grow at optimal temperatures in the range 20 o C to 40 o C, are called mesophilic. Important members of this group are those that live in and on warm blooded creatures, such as humans. Pathogenic bacteria and included here, as are symbiotic bacteria that live in the human body without harming it.pper and Lower Values, and Temperature Range Some species of microorganism can grow at temperatures as low as -10 o C, and others at temperatures as high as 100 o C-or higher. These upper and lower values are a function of cell metabolism.