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Algae
ALGAE
Life   Algae

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Kinds
Overview
Algae are mainly found in marine or freshwater environments but also occupy such extreme environments as deserts, boiling springs, ice, and snow. Algae survive by capturing light energy which is used to convert inorganic substances into simple sugars, this process is commonly known as Photosynthesis. As a by-product of photosynthesis, Algae produce oxygen which other aquatic life uses. Algae can be found in a variety of forms ranging from single-celled to complex multicellular forms, such as the Kelp which grow to be over sixty meters in length. Algae are vital in many food chains acting as the primary producer of organic matter. Algae are important to humans in the form of food and medicine. Algae are also important in the make up of coral reefs, coralline algae engage in a symbiotic relationship with coral to form large coral reefs.

Phylogeny
Scientific name -- Common name
Algae -- Algae
  • Alveolates
    • Ciliates
    • Colponema
    • Dinoflagellates
    • Colpodella
    • Perkinsus
    • Euapicomplexa
  • Chlorarachniophytes
    • Lotharella globosa
    • Lotharella amoeboformis
    • Gymnochlora stellata
    • Chlorarachnion reptans
    • Strain BC52
    • Flagellated strains
    • Cryptochlora perforans
  • Cryptomonads
  • Euglenids
  • Glaucophytes
  • Haptophytes
  • Rhodophyta -- Red algae
  • Stramenopiles
  • Viridaeplantae -- Green plants

Links to other sites

Acknowledgements
Richard McCourt
Acadamy of Natural Sciences, Philadelphia

Rex Lowe
Bowling Green State University

John Pickering
University of Georgia, Athens

David Porter
Department of Botany
University of Georgia, Athens


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Photosynthetic Life

Syllabus -Fall 1998

I: Introduction to Photosynthesis

Week 1: 8/31

II: Anoxygenic Photosynthetetic Bacteria

Week 2: 9/7

Holiday: Monday 9/7/98

  • Tree of Life (continued)
  • Proteobacteria
    • The relationship between physiology and ecological niche

Week 3: 9/14

First homework assignement due Monday 9/14

III: Cyanobacteria and Plastids

Week 4: 9/21

Week 5: 9/28

IV: Eukaryotes - Glaucocystophyta and Rhodophyta

Week 6: 10/5

Second homework assignment due Monday, 10/5

Week 7: 10/12

Midterm Exam: Friday October 16

V: Eukaryotes - Taxa with secondary plastids derived from red algae

Week 8: 10/19

  • Glaucocystophyta
    • Plastids with cell wall
  • Rhodophyta
    • Alternation of generations as a response to the loss of flagella
    • Parasitism in red algae -- cytosolic hijacking

Week 9: 10/26

Week 10: 11/2

Week 11: 11/9

Third homework assignment due Monday 11/9

 

Week 12: 11/16

Week 13: 11/23

Fourth homework assignment due 11/23

Thanksgiving Holiday 11/27

Week 14: 11/30

  • Dinoflagellates
  • Apicomplexa - nonphotosynthetic plastids in parasites
    • Toxin-forming algae (including Pfiesteria)
    • Feeding mechanisms in mixotrophic organism

VI: Eukaryotes - Taxa with green plastids

    Chlorophyta
    • Micromonadophyceae
    • Ulvophyceae
    • Pleurastrophyceae
    • Chlorophyceae
    • Charophyceae
  • The evolution of cell division
  • Algae as model systems
  • Algae in biotechnology

Week 15: 12/7

  • Taxa with secondary plastids from green algae
  • The molecular biology of secondary endosymbiosis
  • Molecular traffic within the cell
  • Molecular systematics of the eukaryotes revisited
    • Major Crown Group tax

VII: Land Plants: the Drier Algae

  • Charophyceae sensu Mattox and Stewart
  • The transition to a terrestrial flora
  • Embryophytes - green algae adapted to life on land
  • Alternation of generations
  • Structural adaptations
  • Biochemical adaptations

Final Exam: 12/17

 

Updated: 2017-08-18 02:58:03 gmt
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