Intro to Microbiology: Taxonomy and Dental Microbes - 2.3 PDF

**[Intro to microbiology: taxonomy and dental microbes - 2.3]** - - - - - Prokaryotes - eubacteria and archaea Eukaryotes Bacteria - - - - Archaea - - Eukaryotes - - Types: Bacteria Archaea Fungi Algae Protozoa Virus **Taxonomy** - - - - - -...

**[Intro to microbiology: taxonomy and dental microbes - 2.3]** - - - - - Prokaryotes - eubacteria and archaea Eukaryotes Bacteria - - - - Archaea - - Eukaryotes - - Types: Bacteria Archaea Fungi Algae Protozoa Virus **Taxonomy** - - - - - - - - S. mutans - - - - Genus and species always in italics **Morphology** Cocci types - - - - - - **Gram staining** - - - - Gram pos:\ Thick cell wall blue/purple 90% peptidoglycan Gram neg:\ Thick cell wall and print/red 10% peptidoglycan Can trigger sepsis **Genetic recombination** Transformation - bacteria takes up a piece of floating DNA Transduction - DNA moved from one bacteria to another by virus Conjugation - DNA transferred between bacteria through tube Endospores - - - - **Oxygen tolerance** Obligate anaerobes Obligate anaerobes Facultative anaerobes Aerotolerance **Temp tolerance** Commensal - bacteria live in organism Opportunistic pathogens - if host immune system is weakened or dysbiosis they cause infection Pathogens - organisms that cause disease → Candida albicans is all 3 types **Oral microbiome** 1 ml saliva 10 x8 microbial cells Babies have more varied microbio if delivered by vagina birth **Influences of the oral microbiome** Taste difference - clostridia prevotella  **Pathogenesis** - - - - **Treatment of infections** - - - - -