BIOM-360 Lecture Notes - Lecture 13: Mycology, Red Algae, Proteobacteria
2 May 2018
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Exam Monday @ 10AM sharp.
Opisthokonts
Animals, fungi, other single-celled eukaryotes
Chemoheterotrophic
Endosymbiosis → The origin of eukaryotes
Common ancestor closely related to archaea engulfed bacteria that became organelles.
Mitochondria originated from endosymbiotic proteobacteria.
Chloroplasts originated from endosymbiotic cyanobacteria.
Diversification of Eukarya
Primary endosymbiosis
originated mitochondria in all eukaryotes and chloroplasts in plants, green, and
red algae.
Secondary
was instrumental for the diversification.
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Fungal Microbiology
Non-photosynthetic eukaryotes - spore bearing, absorptive nutrition, achlorophyllous, sexual and asexual
reproduction, chitin in cell walls.
Very diverse - estimated 1.5 million species (~5% are currently known).
Mycology = the study of fungi.
Fungal Distribution and Importance
Mainly terrestrial and widespread across the globe.
