MICR-3050 Chapter Notes - Chapter 2: Inclusion Bodies, Endospore, Biofilm
20 Feb 2018
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Cell will eat the capsule if environmental nutrients are scarce. Slime layers: similar the capsules but less structured. The cell will take up water that has been trapped in the layer b/w the cell membrane and the capsule. Cells of the immune system cant get through the capsule. Cell inclusions: energy reserve or have special functions. Store nutrients, metabolic end products, energy and building blocks. Poly- b-hydroxybutyric acid (phb): most common inclusion body in prokaryotic orgs. Formed from the polymerization of its monomers => create granules. Synthesized by cell when there is excess carbon. Formed when phosphate is in excess and drawn from as source of phosphate (for nucleic acid and phospholipid biosynthesis) Oxidation of sulfide = electrons for energy metabolism or. Help get to nutrients at bottom of lakes. Magnetotaxis: process of migrating along earths magnetic lines. Hypothesized function: help cell navigate downward to sediment. Can be made in various locations of the cell.
