Lecture 2 Microbial diversity and stem cells

Lecture 2 Microbial - Lecture 2 Origins of eukaryotes Microbial diversity Eukaryotic cell specialization Stem cells Points for the Day Eukaryotic

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Lecture 2 Origins of eukaryotes Microbial diversity Eukaryotic cell specialization Stem cells 0
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Points for the Day Eukaryotic cells evolved from prokaryotes There is tremendous diversity among both prokaryotes and eukaryotes Stem cells Self renewing population Cells for different sources have differing developmental potential 0
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Exp. Path. Figure 3 0
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Endosymbiont Theory Specific organelles represent ancient bacteria, originally incorporated within cells – symbiotic Evidence RNA and protein synthesis of mitochondria and chloroplasts like bacteria External membrane system of chloroplasts and mitochondria have proteins homologous to bacteria (porins) Electron transport in mitochondria similar to process in aerobic bacteria Photosynthesis in cyanobacteria like that in chloroplast
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Model for Origin of Eukaryotic cells Anaerobic prokaryote fuses with aerobic prokaryote Plasma membrane invaginates Invaginated membrane surrounds nucleoid and also forms ER Cyanobacterium later engulfed – green plants Informational genes – archecal Metabolic genes - eubacterial 0
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Prokaryotic Diversity Cyanobacteria Sulfur bacteria 0
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This note was uploaded on 04/08/2008 for the course BIOL 301 taught by Professor Tepperman during the Winter '08 term at University of Cincinnati.

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Lecture 2 Microbial - Lecture 2 Origins of eukaryotes Microbial diversity Eukaryotic cell specialization Stem cells Points for the Day Eukaryotic

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