11. Escherichia coli bacteria, which are often utilized in production of pharmaceutical products.12. The RTCR places a legal limit on the contaminant level for Escherichia coli. 13. Arsenic chaperone, ArsD, encoded by the arsRDABC operon of Escherichia coli. 14. Crystal structures of the " Escherichia coli" 15. Proteus and Escherichia coli are the most commonly involved bacteria in xanthogranulomatous pyelonephritis. 16. CcdB protein is a topoisomerase poison from " Escherichia coli ". 17. Q : The E . in E . coli is an abbreviation for Escherichia . 18. Normally, Escherichia coli bacteria live innocuously in the intestines of people and animals. 19. Numerous pathogens, including " Escherichia coli ", commonly exhibit resistance. 20. Copper sulfate inhibits growth of bacteria such as " Escherichia coli ."