tailieunhanh - Lecture Microbiology - Chapter 1: Scope and history of microbiology

Lecture Microbiology - Chapter 1: Scope and history of microbiology. This chapter presents the following content: Roles of microbes, biological research uses microbes, microbial abundance, prokaryotic microbes, eukaryotic microbes, viruses (acellular), eukaryotic parasites,. | SCOPE AND HISTORY OF MICROBIOLOGY CHAPTER 1 Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Roles of Microbes Pathogens Antibiotics Food chain Biotechnology – Autotrophs – Decomposers Digestive Bioremediation Foods and fermentation Disease Research Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Biological Research Uses Microbes Size/ Structure – Small (nm – μm) – Single celled Large populations – Millions per gram Rapid Growth Rate – 30 minute cell division for some prokaryotes Research Benefits – Vaccines – Antibiotics Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Microbial Abundance Drilling core samples (down to 5km) – Two biospheres – Surface vs. “Deep Hot” Environmental versatility – Anaerobic – Sulfur/Methane - based metabolism Undersea Vents Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Prokaryotic Microbes 2 Domains (Superkingdoms) Bacteria – Varied metabolism – Some pathogens – Science of Bacteriology Archaea – Environmental extremophiles – Novel biochemistry and metabolism Copyright © 2012 John Wiley & Sons, Inc. All rights .