Zygomyctes

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ucstudent01
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249053
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Zygomyctes
Updated:
2013-11-25 18:25:01
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Zygomyctes
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Zygomyctes
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  1. Zygomycetes is a class of fungi which includes what 3 orders of the class?
    Mucorales **Most clinically significant**

    Mortierellale

    Entomophthorales
  2. General discription for all Zygomycetes
    Inhalatgion of sporangiospores, trauma (inoculation).

    • Can be invasive - 
    • Sinus infections are common
    • Immunocompromised

    • Lid lifters
    • Rapid
  3. Mucor spp. description
    • Grows <37C
    • Fluffy (cotton candy) white intitially ⇨
    • grayish brown
    • Back: is White

    • Aseptate or sparsely septate, broad hyphae
    • sporangiophores long and brnached with terminal sporangia

    **NO RHIZOIDS**
  4. Rhizopus spp. description
    • Grows well at 37C Prefer 45C
    • cotton candy white ⇨ grey to yellowish brown in time. (reverse = white)


    Broad aseptate hyphae, long unbranced sporangiophores

    **RHIZOIDS ARE PRODUCED**
  5. Rhizomucor spp. description
    • Rare*
    • normally fatal
    • Growth at  54C
    • Colony similar to mucor
    • Short rhizoids and branched sporangiophores
  6. Absidia app. 

    **Only Clinically significant sp. is: 

    A. corymbifera
    • Woolly to cottony, Olive gray colonies
    • Back: uncolored

    • Broad aseptate hyphae, sporangiophores are branched and arise in groups of 2-5
    • Hyaline

    Sporangiopores are one celled and round to oval in shape.
  7. Cunninghamella spp. discription

    only human pathogen = C. bertholletiae
    • Cottony white to tanish-gray in color
    • Back: pale

    • Aseptate or sparsely septate broad hyphae
    • Sporangiophores are long and branched with vesicles
  8. Treatment for all of these zygomycetes
    • Amphotericin B has the lowest
    • Surgical debridement usually required

    Treatment difficult***

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