Eukaryotic cellProkaryotic cell(e.g. animalFlagellumCell membraneNucleoidCell wallRough endoplasmicreticulumNucleusGram+PiliGram-..CapsulGranuleCell (inner) membrane Outer membraneCytoplasmRibosomesCell wallMitochondria
Eukaryotic cell Prokaryotic cell Rough endoplasmic reticulum Mitochondria (e.g. animal) Nucleus Cytoplasm Gram+ Cell wall Nucleoid Cell membrane Flagellum GramCell (inner) membrane Outer membrane Ribosomes Granule Cell wall Capsule Pili
Prokaryotic Cell (versus Eukaryotic CellNot compartmentalizedCell membranes lack sterols (e.gcholesterol)Single circular chromosome Ribosomal are 70S- subunits? 30S (16S rRNA)? 50S (5S & 23S rRNA)SHIHEZI UNIVERSITY
Prokaryotic Cell (versus Eukaryotic Cell) Prokaryotic Cell (versus Eukaryotic Cell) • Not compartmentalized • Cell membranes lack sterols (e.g. cholesterol) • Single circular chromosome • Ribosomal are 70S - subunits • 30S (16S rRNA) • 50S (5S & 23S rRNA) SHIHEZI UNIVERSITY SHIHEZI UNIVERSITY
(BacteriaProkaryotes· Eubacter "True" bacteria- human pathogens- clinical or environmental? Archaea- Environmental organismsSHIHEZI UNIVERSITY
Prokaryotes (Bacteria) •Eubacter "True" bacteria – human pathogens – clinical or environmental • Archaea – Environmental organisms SHIHEZI UNIVERSITY SHIHEZI UNIVERSITY
ArchaebacteriaBacteria versusEubacteriapeptidoglycan (murein muramic acid Archaebacteria- pseudomurein- no muramic acid16S rRNAsequence very differentSHIHEZI UNIVERSITY
Bacteria versus Archaebacteria • Eubacteria – peptidoglycan (murein) – muramic acid • Archaebacteria – pseudomurein – no muramic acid • 16S rRNA sequence very different SHIHEZI UNIVERSITY SHIHEZI UNIVERSITY
Members of EubacteriaBacteriaMycoplasmaSpirocheteRickettsiaChlamydiaActinomyceteSHIHEZI UNIVERSITY
Members of Eubacteria Bacteria Mycoplasma Spirochete Rickettsia Chlamydia Actinomycete SHIHEZI UNIVERSITY SHIHEZI UNIVERSITY