21. Of the 853 genes on Borrelia 's main chromosome, the roles of 59 percent have been identified. 22. The EM rash occurs in 80 % to 90 % of those infected with " Borrelia ". 23. Although they are the preferred mammalian hosts, deer cannot transmit " Borrelia " spirochetes to ticks. 24. The most common name for this spirochaete is Borrelia burgdorferi, but many different Borrelia species cause Lyme Disease worldwide. 25. The most common name for this spirochaete is Borrelia burgdorferi, but many different Borrelia species cause Lyme Disease worldwide. 26. From its genetic repertoire biologists should also be able to gain a better understanding of Borrelia 's complicated life cycle. 27. Borrelia burgdorferi was isolated in the 1980s and determined to be a new member of a group of bacteria called spirochetes.28. A . Lyme disease is a bacterial infection caused by Borrelia burgdorferi, a spiral-shaped bacterium, or spirochete. 29. Not to mention Borrelia bugdorferii, the bacterium that causes Lyme disease, and the ulcer-causing bug Helicobacter pylori. 30. For example, " Borrelia burgdorferi " can cause infectious arthritis, but is not associated with suppurative arthritis.
