Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case M I C R.

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Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case Microbiology.
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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 B 12 The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Zygomycota  Conjugation fungi  Coenocytic  Produce sporangiospores and zygospores  Rhizopus, Mucor (opportunistic, systemic mycoses)

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Zygomycete Life Cycle Figure 12.6

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Ascomycota  Sac fungi  Septate  Produce ascospores and frequently conidiospores.  Aspergillus (opportunistic, systemic mycosis)  Microsporum, Trichophyton (cutaneous mycoses) Microsporum canis

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

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Basidiomycota  Club fungi  Septate  Produce basidiospores and sometimes conidiospores.  Cryptococcus neoformans (systematic mycosis)  Opportunistic infection

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Basidiomycete Life Cycle Figure 12.8

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings FungiPositive EffectsNegative Effects SaccharomycesBread, wine, beerFood spoilage TrichodermaCellulase used for juices and fabric Cryphonectria parasitica (chestnut blight) TaxomycesTaxol production -anti-cancer drug Ceratocystis ulm (Dutch elm disease) EntomorphagaGypsy moth control Economic Effects of Fungi

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Lichens  Mutualistic combination of an alga (or cyanobacterium) and fungus.  Alga produces and secretes carbohydrates; fungus provides holdfast.

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Lichens Figure 12.10

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings  Eukaryotic  Unicellular, filamentous, or multicellular (thallic)  Most are photoautotrophs The Algae

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Algae Table 12.1

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 12.11a Algae

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Figure 12.12b Algae

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Phaeophyta  Brown algae (kelp)  Multicellular  Chlorophyll a and c, xanthophylls  Harvested for algin  used in ice cream and hand lotion Figure 12.11b

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Rhodophyta  Red algae  Chlorophyll a and d, phycobiliproteins  Store glucose polymer  Harvested for agar Figure 12.11c

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Chlorophyta  Green algae  Unicellular or multicellular  Chlorophyll a and b  Gave rise to plants  lack specialized vascular tissues Figure 12.12a

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Bacillariophyta  Diatoms  Pectin and silica cell walls  Unicellular  Chlorophyll a and c, carotene, xanthophylls  Fossilized diatoms contributed to the formation of oil Figure 12.13

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Dinoflagellata  Dinoflagellates (aka Plankton)  Unicellular  Chlorophyll a and c, carotene, xanthins  Neurotoxins cause paralytic shellfish poisoning (PSP) Figure 12.14

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings Oomycota  Water molds  Cellulose cell walls  Multicellular  Decomposers and plant parasites  Phytophthora infestans responsible for Irish potato blight Figure 12.15