BIOC17H3 Lecture Notes - Periplasm, Teichoic Acid, Gram-Negative Bacteria
7 Feb 2013
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Lecture 7: bacterial cell wall structure, synthesis and pathogenesis. Skipped class recording starts at slide 9. Reason for creating taxony gram -/+ a lot of properties similar between these structures. When doing phylogeny not enough that gram +/- found + in one photogenic grp. All the rest is gram - completely different taxa spread all over the domain bacteria and prokaryotes. Other protein in the outermembrane and glycoprotein layer connect with outer. Larger complex periplasmic space 20-40% of body -- huge component of cell body. Many enzymes that will process molecules necessary for nutrition of bacteria from here they pass and put into cytoplasm for metabolism take care of antimicrobial components here these try to destroy the bacteria. Thick petidoglycan layer connected to plasma membrain by liptechoic acids. Lipotechoic acid = alchol polymer inserted into plasma membrain. Space is much smaller important with many functions but not as complex. Structure is very strong because its very strong.
