Bacterial Cell Structure - Envelope

Table of Contents: You can learn more about bacterial cell structure by reading my textbook. See Chapter 3 (https://textbookconsortia.com/3-5-the-cell-wall/) 00:05 - The cell wall is important as most microbes live in dilute environments 01:31 - Cell Envelopes 02:44 - Peptidoglycan forms a mesh 04:26 - Peptidoglycan synthesis is complex 05:35 - Lysozyme targets peptidoglycan present in tears, saliva, milk, and mucus 06:48 - The Gram-positive cell is mostly peptidoglycan 07:22 - The Gram-negative cellis more complicated 07:42 - The outer membrane 08:04 - Lipopolysaccharide (LPS)-also called endotoxin 09:07 - Porins 09:47 - Cell wall diversity 10:31 - Cell wall diversity: Mycoplasma 12:09 - Outside the cell: capsules capsular polysaccharide (CPS), extracellular polysaccharide (EPS), glycocalyx, slime, capsule, K antigen, cell surface glycoconjugate 12:52 - Other types of capsules 13:19 - Figure 2 Schematic illustration of the supramolecular architecture of the major classes of prokaryotic cell envelopes ... 13:58 - Just For fun: Commercial uses of polysaccharides 15:15 - Outside the cell: Pili and fimbriaeprotein filaments 15:41 - Pili are complex structures 16:19 - Flagella 16:57 - Flagellar motion: rotary motion 17:33 - Taxis