1. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case M I C R O B I O L O G Y a n i n t r o d u c t i o n ninth edition TORTORA  FUNKE  CASE Part A 12 The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

2. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Table 12.1 Domain Eukarya

3. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings  Eukaryotic  Aerobic or facultatively anaerobic  Chemoheterotrophic  Most are decomposers  Mycology is the study of fungi The Fungi

4. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Mycology: The Study of Fungi Table 12.2

5. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Molds  The fungal thallus consists of hyphae; a mass of hyphae is a mycelium. Figure 12.2

6. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 12.1 - Overview

7. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Yeasts  Unicellular fungi  Fission yeasts divide symmetrically  Budding yeasts divide asymmetrically Figure 12.3

8. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Dimorphism  Pathogenic dimorphic fungi are yeastlike at 37°C and moldlike at 25°C Figure 12.4

9. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Fungal Life Cycle Figure 12.7

10. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Fungal Diseases (Mycoses)  Systemic mycoses: Deep within body  Subcutaneous mycoses: Beneath the skin  Cutaneous mycoses: Affect hair, skin, and nails  Opportunistic mycoses: Caused by normal microbiota or environmental fungi

11. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Conidiospores – asexual spore production Figure 12.5a–c

12. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Sexual Spores  Zygospore: Fusion of haploid cells produces one zygospore. Figure 12.6

13. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Sexual Spores  Ascospore: Formed in a sac (ascus). Figure 12.7

14. Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Sexual Spores  Basidiospore: Formed externally on a pedestal (basidium). Figure 12.8