Gut Bacteria Escherichia coli E coli 1 2

Gut Bacteria Escherichia coli (E. coli) 1. 2. 3. 4. 5. 6. 7. Prokaryote or Eukaryote? No Nuclei or Nuclei? Unicellular or Multicellular? Cell Wall or No Cell Wall? Heterotroph or Autotroph? Motile or Sessile? Sexual or Asexual Reproduction?

Gut Bacteria Escherichia coli (E. coli) • • Prokaryote NO Nucleus in cells Unicellular Cell wall Heterotroph Motile Asexual reproduction Kingdom Bacteria

• Most E. coli strains are harmless, but some serotypes can cause serious food poisoning in their hosts, and are occasionally responsible for product recalls due to food contamination.

Gut Bacteria Escherichia coli • It is possible to become infected with E. coli by swallowing water in a lake or visiting a petting zoo and not properly washing one's hands afterwards. • Once a person has become infected with E. coli it can take anywhere from one day to ten days for symptoms to appear.

Gut Bacteria Escherichia coli (E. coli) It takes only 40 hours for E. coli (obtained from caregiver, milk, water) to completely colonize the gut of a newborn baby

Gut Bacteria Escherichia coli (E. coli) • E. coli has a record of 11 very prestigious Nobel prizes associated with it. These discoveries have been associated with understanding of DNA replication, genetic code, restriction enzyme and genetic engineering.