B4: Mycology I

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Mycology I

Comparison to Bacteria

Drug susceptibility

Sporulation

Cytoplasmic membrane

Cell wall

Mitochondria

Nucleus

Dimorphism

Size

Structures, Terms, Definitions

Structures

Aerial

Vegetative

Dematiaceous

Hyaline

Aseptate

Septate

Yeasts

Germ tube

Pseudohyphae

Chlamydoconidia

Blastoconidia

Spore-bearing structures

Phores (Asexual spores)

Conidio-

Sporangio-

Sexual spores

Basidiomycetes

Basidiocarps

Mushrooms

Ascomycetes

Cleistothecia

Asci

Spores

Conidia

Arthro

Micro

Macro

Chlamydo

Blasto

Sporangiospores

Sporangium

Zygo

Taxonomy

mycota (Div)

Deutero-

Fungi Imperfecti (Deuteromycota)

a) teleomorphic state not known

b) many anamorphs described

Basidio-

Asco-

Zygo-

Chytridio-

Kingdom = Fungi

Reproduction

Both

Sexual

- involves the union of two compatible nuclei

(karyogamy) followed by meiosis

- involves specialized structures and spores

Teleomorphic

Asexual

- an increase in the vegetative mass or the development

of asexual reproductive structures and spores

- no union of nuclei or gametes

Anamorphic

Types

Dimorphic

35-37 deg C

Parasitic

Tissue

Mould

25-30 deg C

Saprophytic

Env

Moulds

Filamentous

Hyphae

Mycelium

Yeast

Budding

cell

Lab Methods for Diagnosis