BLG 151 Chapter Notes - Chapter 13: Electron Acceptor, Anaerobic Respiration, Metabolic Pathway
19 Jan 2018
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Document Summary
Microbes catalyze many different kinds of substrates including: polysaccharides. Are broken down to disaccharides and then to monosaccharides: sugar and sugar derivatives, such as amines and acids, are catabolized to pyruvate. Pyruvate and other intermediary products of sugar catabolism are fermented or further catabolized to co2 and h20 via the tca cycle: lipids and amino acids. Are catabolized to glycerol and acetate as well as other metabolic intermediates: aromatic compounds. Including lignin and benzoate derivatives, are catabolized to acetate through different pathways such as the catechol pathway. Carbon source often provides h, o, and electrons. Organic carbon sources also serve as energy sources. Can use a variety of carbon sources. Use inorganic molecules like co2 as carbon source. There are many different energy sources that are funneled into common degradative pathways. Most pathways generate glucose or intermediates of the pathways used in glucose metabolism. There are a few pathways that greatly increase metabolic efficiency.
