tailieunhanh - Lecture Microbiology - Chapter 11: Eukaryotic microorganisms and parasites

Lecture Microbiology - Chapter 11: Eukaryotic microorganisms and parasites. This chapter presents the following content: Parasitology, vectors, host types, parasite evasion strategies, damage caused by parasites, plant-like protozoan phyla, fungus-like protozoan phyla, animal-like protozoan phyla,. | EUKARYOTIC MICROORGANISMS AND PARASITES CHAPTER 11 Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Parasitology Historical groupings – Protozoa – Helminths – Arthropods Ecto/Endoparasites Obligate/Facultative parasites Permanent/Temporary parasites Accidental parasites Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Vectors Hyperparasitism Biological vectors Mechanical vectors Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Host Types Definitive host – Host for the sexually mature, egg-laying worm Intermediate host – Host for larval stages Copyright © 2012 John Wiley & Sons, Inc. All rights reserved. Parasite Evasion Strategies Encystment – Larvae buried in animal tissues – Protozoans with outer tough coat Immunological challenges – Changing surface antigens (Ag) – Triggering antibody which cannot react to parasite Ag Host cell invasion to escape Immune system Copyright © 2012 John Wiley & Sons, Inc. All rights .

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