PPT-BACTERIA as a PATHOGEN! ARCHAEBACTERIA

Methanogens Methanogens are obligate anaerobes that will not tolerate even brief exposure to air O 2 Anaerobic environments are plentiful however and include marine and freshwater sediments bogs and deep soils intestinal tracts of animals and sewage treatment facilities . . USDA NIFSI Food Safety in the Classroom. ©. University of Tennessee, Knoxville 2006. What are bacteria?. Single celled organisms. Very small. Need a microscope to see. Can be found on most materials and surfaces. (. Bacteria). 2 Kingdoms . Archaebacteria. & Eubacteria. Characteristics. Unicellular. Prokaryotic. Cell Wall . Move or Float Freely. Able to Photosynthesize. Found just about EVERYWHERE / ANYWHERE. Biology CP. What is Bacteria?. Prokaryotic. Can be: . Eubacteria. Archaebacteria. What is Bacteria?. Prokaryotic: does NOT have a nucleus. Can be: . Eubacteria. Archaebacteria. What is Bacteria?. Prokaryotic: does NOT have a nucleus. Kingdom. . Eubacteria. . (. True. Bacteria). Bacteria are located . everywhere. – air, water, land, and living organisms including people.. General Characteristics: . 1. All are . unicellular. Structure and Function. 2. Prokaryote & Eukaryote. Evolution. 3. Cellular Evolution. Current evidence indicates that . eukaryotes evolved from prokaryotes. between 1 and 1.5 billion years ago. Two theories:. Bacteria. In this video clip, watch for the shapes of the different bacteria.. Bacteria . Parts of a bacteria (see board for diagram):. Cell wall (eubacteria with peptidoglycan). Cell membrane (sometimes called plasma membrane). CLS 212: Medical Microbiology. Definitions. Path-. means disease.. Pathogenesis. . . T. he steps or mechanisms involved in the development of a disease. . Infection. . T. he presence and colonization of a pathogen in human body.. 2. Prokaryote & Eukaryote. Evolution. 3. Cellular Evolution. Current evidence indicates that . eukaryotes evolved from prokaryotes. between 1 and 1.5 billion years ago. Two theories:. 1. . Infolding theory. Organisms classified from most general group, . domain. , down to most specific, . species. domain, kingdom, phylum, class, order, family, genus, species. Finding commonality in variety . use the mnemonic!. . & Eubacteria. What do you already know?. What are the characteristics of life?. Review the following terms:. Prokaryote. Autotroph. Heterotroph. Aerobic Respiration. Anaerobic Respiration. What are . Lack a nucleus. DNA is naked, a single loop not bound in a chromosome. May contain plasmids (small circular fragments of DNA). Have ribosomes, but no other organelles.. DNA present as a long circular molecule.. Common Names. Archaebacteria. Archaea. Oldest bacteria. Methanogens. , . Halophiles. , . Thermoacidophiles. Eubacteria. Bacteria. Newer bacteria. Decomposes, parasites, . cyanobacteria. , nitrogen-fixation bacteria. Who would live . here?!. OR here?!. Archaebacteria!. Eubacteria!. Kingdom Archaebacteria. Archaea . comes from Ancient Greek, meaning ancient things—believed to be in existence for around . 3.5 . BILLION . Susceptibility. Jonathan Faro,. 1. Malika Mitchell,. 2. . Yuh-Jue. Chen,. 3. Sarah Kamal,. 2 . Gerald Riddle,. 1. Sebastian Faro. 1. 1) The Ob/Gyn Infectious Disease Research Center 2) UT Health Science Center at Houston, Medical College, Houston, TX.