Lecture2

Oxidaon of inorganic compounds heterotrophic bacteria

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Unformatted text preview: 1012 kg on earth Gram- posi<ve/gram- nega<ve Classifica<on of microorganisms based on Kingdoms Prokaryote: •  two lineages: eubacteria and archaebacteria •  archaebacteria: intron in tRNA genes &ribosome; no pep<doglycan layer Biotech u<lizes microorganisms to make and engineer pharmaceu<cal drugs, industry enzymes and chemicals Diversa Naming cells •  Genus species (eg: Escherichia coli) –  Genus (a group of related species) –  Species (organisms substan<ally alike) •  Genus name is always capitalized (eg: Escherichia) •  Species name is never capitalized (eg: coli) •  Both names are always either italicized or underlined •  The genus name may be used also , but not the species name Prokaryotes and Eukaryotes used industrially Composi<on Formula Microbial culture needs energy and components for cell growth •  Media provides source of energy, carbon, nitrogen, minerals •  Trial- and- error experimenta<on for medium development (economic vs growth efficiency) •  Energy: adenosine triphosphate (ATP) –  Coupling to thermodynamically unfavorable reac<ons –  Autotrophic bacteria, generate ATP from oxida<...
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This note was uploaded on 01/20/2014 for the course CHE 489 taught by Professor Wang during the Spring '10 term at USC.

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