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Stramenopiles

Stramenopiles. Photosynthetic Stramenopiles (Ochrophytes). Chrysophyceans (Golden Brown). Synurophyceans (Silica-Scaled Algae). Phaeophyceans (Brown Algae, Kelp, Rockweeds). Tribophyceans (Yellow-Green). Bacillariophyceans (Diatoms). Phaeophyceaen Diversity I. Sporophyte (2n).

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Stramenopiles

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  1. Stramenopiles

  2. Photosynthetic Stramenopiles (Ochrophytes) Chrysophyceans (Golden Brown) Synurophyceans (Silica-Scaled Algae) Phaeophyceans (Brown Algae, Kelp, Rockweeds) Tribophyceans (Yellow-Green) Bacillariophyceans (Diatoms)

  3. Phaeophyceaen Diversity I Sporophyte (2n) Scytosiphon Ectocarpus Gametophyte (n)

  4. Phaeophyceaen Diversity II Sporophyte (2n) Nereocystis Laminaria Sargassum Macrocystis (Kelp) Gametophyte (n)

  5. Phaeophyceaen Diversity III Fucus (Rockweed)

  6. Phaeophyceaen Diversity III Streblonema

  7. Kelp Ecology 10

  8. Kelp Ecology Productivity: Up to 1 kg C / m2 / y (Graham et al. 2008)

  9. KELP, ROCKWEED VIEWING SITES Point Lobos State Preserve, CA (just south of Monterrey CA)

  10. KELP VIEWING SITES

  11. Kelp Organ Differentiation (Holdfast, Stipe, Blade)

  12. Kelp Organ Differentiation (Pneumatocysts= Bladders) Macrocystis Nereocystis Sargassum

  13. Kelp Organ Differentiation 7

  14. Kelp Vegetative Characteristics: Parenchyma

  15. Kelp Growth and Development Patterns: Diffuse (Non-Localized) Growth Fig. 14.19 in Graham et al. 2008

  16. Kelp Growth and Development Patterns: Apical Meristems Figs. 14.17 in Graham et al. 2008

  17. Kelp Growth and Development Patterns: Intercalary Growth (Intercalary Meristem)

  18. Kelp Growth and Development Patterns: Lateral Growth (Meristoderm)

  19. Brown Algae Anatomy Revisited: Epidermis, Cortex and Medulla Figs. 17.15 in Lee 1999

  20. Brown Algae Conducting Cells: (Trumpet Hyphae) Figs. 14.45, 14.46 in Graham et al. 2008

  21. Brown Algae Vegetative Characteristics: Plasmodesma

  22. Brown Algae Herbivore Defenses: Tannins and Terpenes (Physodes) 21

  23. Cell Wall 2 1

  24. Cell Wall Components I: Alginates (and their salts) Mg2+ K+ 4 Ca2+ Na+

  25. Cell Wall Components II 3

  26. Cell Wall Components III: Fucans (Sulfated Polysaccharides)

  27. Commercial Use 13 Alginate 11 12

  28. Brown Algae Plastids (PER) Fig. 12.5 in Graham et al. 2008

  29. Brown Algae Pigments I 27

  30. Brown Algae Pigments II Beta-Carotene Fucoxanthin 6

  31. Brown Algae Storage Product: Laminarin :

  32. Brown Algae Pyrenoid 8

  33. Putative Brown Algae Chloroplast Origin 34

  34. Brown Algae Cell Division

  35. Brown Algae Semi-Closed Mitosis

  36. Brown Algae Cytokinesis

  37. Isomorphic Alternation of Generations (Ectocarpus) Gametophyte (n) Sporophyte (2n) Spore (n) Zygote (2n) Gametes (n) Fig. 14.23 in Graham et al. 2008

  38. Gametophyte Unilocular Sporangium 11 Ectocarpus Sporophyte Pleurilocular Gametangium 12

  39. Male Gametangium Female Gametangium Pheremone (= Sex Hormone) (e.g., Ectocarpene)

  40. Ectocarpus: Asexual Reproduction

  41. Ectocarpus Summary Gametophyte (n) Sporophyte (2n)

  42. Heteromorphic Alternation of Generations (Laminaria) Sporophyte (2n) Gametophyte (n) 14 13 Gametes (n) Zygote (2n)

  43. Heteromorphic Alternation of Generations (Laminaria) Sporophyte (2n) Gametophyte (n) Unilocular Sporangium Gametangia

  44. Fucus (Air Bladders, Receptacles) 15

  45. Diplontic (2n) Life Cycle: Fucus Gametes (n) Zygote (2n)

  46. Conceptacles, Ostiole, Female Gametangia, Male Gametangia 16 Fucus 17 Male Gametangia Female Gametangia Gametes (n)

  47. Sporophyte (2n) Gametophyte (n) X

  48. Stramenopiles: Phaeophyceae 18 19

  49. 1 http://www.seaweed.ie/uses_ireland/images/irish_128.jpg 2 http://www.divesitedirectory.co.uk/images/desktop_backgrounds/1024_768/ dive_site_directory_kelp_forest.jpg 3 http://silicasecchidisk.conncoll.edu/Pics/Other%20Algae/Other_jpegs/ Synura_Key306.jpg 4 http://users.utu.fi/hlehto/photo/micro/tanska/mikro_394_9484_ochromonas.jpg 5 http://silicasecchidisk.conncoll.edu/Pics/Other%20Algae/Other_jpegs/ Tribonema_Key245.jpg 6 http://www.urbanrivers.org/drawingdiatoms/diatom2.jpg 7 http://www.onr.navy.mil/Focus/ocean/images/habitats/kelpai.jpg

  50. 8 http://sbc.lternet.edu/sites/images/Macrocystisdistr485.jpg 9 http://www.birdsasart.com/Sea-Otter-meeting-in-kelp-_J7X0094- Konuji-Island,-Kodiak-AK.jpg 10 http://www.ics.uci.edu/~eppstein/pix/sv/mba/KelpForest-m.jpg 11 http://www.tiranti.co.uk/data/Photos/AlginateKit.jpg 12 http://img.products.howstuffworks.com/cctool/PrdImg/images/ pr/177X150/00/02/1f/ef/8b/35647371.JPG 13 http://www.foodprocessing-technology.com/contractor_images/fmc/ 1_cezanne.jpg 14 http://www.ne.jp/asahi/marine/algae/Ectocarpus3.jpg 15 http://www.bio.utexas.edu/research/utex/photogallery/Images/ 2008-Ectocarpus-siliculosus.jpg

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