Common among actinomycetes. Many grow in branching filamentous network called mycelium . View actinomycetes Pleiomorphic shapes. Named after Theodor Escherich , German bacteriologist who discovered this organism in intestinal tract in 1885. He called it Bacterium coli , but it was subsequently renamed in his honor.
Name often reveals some characteristic feature.
Early Earth was anaerobic. Cyanobacteria evolved ability to use water as raw material in photosynthesis, produced oxygen gas O 2 as waste. All present-day life evolved from bacteria. Practical problem for food, beverage, cosmetic, pharmaceutcals, other industries. Only inside tissues of organisms, kept at bay by defensive mechanisms.