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1、Molds Mushrooms Fungi Yeasts,Fungi,1. Unicellular fungi,Fungi Filamentous fungi,2. Unicellular fungi,yeasts,Morphological characteristics Reproduction Characteristics of colony Typical species of yeasts,Morphological characteristics,Yeasts are usually unicellular. Yeast cells are larger than most ba
2、cteria. 1-5 um in width and 5-30 um or more in length. They are commonly egg-shaped. Yeasts have no flagella. Asexual reproduction is by budding or binary fission; Sexual reproduction is by forming ascospore.,Filamentous fungi,nonseptate;,(2)septate,hyphae,spores,Sporangiospores（孢囊孢子） Conidiospores（
3、分生孢子） Arthrospores or Oidia（节孢子） Chlamydospores（厚壁孢子）,Sporangiospore,Sporangiospores are formed within a sporangium,Arthrospores,Conidiospores,Conidiospores are arranged in chains at the end of a conidiophore,Conidiospores,Classification and major properties of fungi,diseases caused by fungi,athlete s foot ringworm of the mails,cryptococcal meningitis,cryptococcal meningitis,Chaper 1,Introduction,Chapter 6 Viruses,viral disease,viral hepatitis HBV,HCV,HAV,AIDS -HIV,viral disease,AIDS -HIV viral hepatitis HBV,HCV,HAV mad-cow disease -prion others,