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RED ALGA (RHODOPHYTES)

RED ALGA (RHODOPHYTES). Red Algal Chloroplast (“Rhodoplast”). Putative Origin of the Red Algal Chloroplast. Red Algal Chloroplast Flagella? NO!!. Red Algal Spore. Unicellular Red Alga : Porphyridium. Red Algal “Cell Wall” (Extracellular Matrix). Sulfated Polygalactans

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RED ALGA (RHODOPHYTES)

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  1. RED ALGA (RHODOPHYTES)

  2. Red Algal Chloroplast (“Rhodoplast”)

  3. Putative Origin of the Red Algal Chloroplast

  4. Red Algal Chloroplast Flagella? NO!! Red Algal Spore Unicellular Red Alga: Porphyridium

  5. Red Algal “Cell Wall” (Extracellular Matrix) Sulfated Polygalactans (e.g., Agar, Carrageenan) Galactose

  6. Red Algal Connectivity: Pit Plugs

  7. Red Algal Hormones “Rhodomorphin”

  8. Physiology: Herbivory Inhibition Halogenated Terpenes Alkaloids

  9. Red Algal Iridescence 1) Refraction of Light Mazzaella 2) Wave Interference

  10. Red Algal Multinucleate Cells

  11. Red Algal Polyploids

  12. Putative Fossil Red Algae Bangiomorpha (1.2 BYA) (Arctic Canada Deposits)

  13. Hypothesis of Rhodophyte Phylogeny 1

  14. Hypothesis of Rhodophyte Phylogeny 2

  15. Rhodophyte Form Diversity Porphyridium 1 4 Unicellular

  16. Rhodophyte Form Diversity Uniseriate Callithamnion

  17. Rhodophyte Form Diversity Bangia Ceramium Batrachospermum Uniseriate/Pleuriseriate Red Alga

  18. Rhodophyte Diversity Pleuriseriate *Polysiphonia Pleuriseriate

  19. Rhodophyte Diversity (Pseudoparenchyma) Chondrus Porphyra

  20. Rhodophyte Form Diversity Pseudoparenchyma with Tissue Differentiation Medulla Cortex

  21. Rhodophyte Diversity V Halosaccion Sac-Forming

  22. Rhodophyte Diversity VI Lithothamnion Corallina Coralline

  23. Rhodophyte Diversity Chondrus Parasitic

  24. Rhodophyte Sexual Life Cycles (Alternation of Generations, Heteromorphic, Biphasic) Sporophyte (2n) Male Gametophyte (n) Porphyra Female Gametophyte (n)

  25. Rhodophyte Sexual Life Cycles (Alternation of Generations, Heteromorphic, Triphasic) Carposporophyte (2n) Polysiphonia Gametophyte (n) Tetrasporophyte (2n)

  26. Asexual Reproduction in Red Algae Spore Bangia Germinating Spore

  27. Asexual Reproduction in Red Algae (?) Porphyridium

  28. Economic Importance: “Nori”

  29. Economic Importance of Red Algae Chondrus

  30. Ecology: Keystone Species

  31. Ecology: Rhodolith Beds Rhodolith = Dislodged Coralline Algae “Tumbleweeds of the Sea”

  32. Ecology: Introduced, Invasive Species Acanthophora spicata

  33. Ecology: Epiphytes / Hemiparasites Polysiphonia growing on Brown Algae (Hemiparasite) Smithora growing on Eelgrass (Epiphyte)

  34. Ecology: Extreme Photosynthesis 10 Month Ice Submergence 210 m Deep Acidic (0.8-1.38 pH) Mine Drainage Hot Springs

  35. Ecology: Primary Producers in Food Chain

  36. Ecology: DMS (Dimethylsulfide) Emission Polysiphonia

  37. 1 http://evolution.berkeley.edu/evolibrary/images/porphyridium.jpg 2 http://www.horta.uac.pt/Species/Algae/Corallina_elongata/ Corallina_elongata_a.JPG 3 http://www.staff.uni-marburg.de/~wenderot/%DCbungsfragen/ Batrachospermum%20vagum.JPG 4 http://departments.bloomu.edu/biology/pics/con2/Porphyridium1.jpg 5 http://www.nhm.ac.uk/resources/research-curation/projects/ algaevision/images/data/medium/banatr1a.jpg 7 http://departments.bloomu.edu/biology/pics/con2/Bangia2.jpg 8 http://www.nat.ku.dk/as/billeder/Rmk21-15cm.JPG 9 http://www.zo.utexas.edu/research/utex/photogallery/Images/ Callithamnion_baileyi_lb2306.jpg 10 http://www.olympusmicro.com/micd/galleries/brightfield/polysiphonia.html

  38. 11 http://www.biol.tsukuba.ac.jp/~inouye/ino/r/Porphyra.GIF 12 http://www.biol.tsukuba.ac.jp/~inouye/ino/r/Porphyra.GIF 13 http://www.botany.hawaii.edu/faculty/webb/BOT311/Rhodophyta/ PitPlugLMVisHue.jpg 14 http://www.specialtymicroscopes.com/images/specimen/016aab03- 016aaa100cz-porphyra.jpg 15 http://www.nap.edu/openbook/0309051274/html/images/img00037.jpg 16 http://www.nap.edu/openbook/0309051274/html/images/img00037.jpg 17 http://www.botany.ubc.ca/keeling/BIOL332/PrimarySecon.jpg 18 http://www.botany.hawaii.edu/faculty/webb/BOT311/Rhodophyta/ RhodCplastEMC-M-Pueschel.jpg 19 http://www.botany.hawaii.edu/faculty/webb/BOT311/Rhodophyta/ RhodCplastStarchEMC-M-Pueschel.jpg

  39. 20 http://www.botany.hawaii.edu/faculty/webb/BOT311/Rhodophyta/ rhodophyta2.htm&h=400&w=487&sz=116&hl=en&start=28&tbnid= 6NlwI_sr_mmeuM:&tbnh=106&tbnw=129&prev=/images%3Fq%3 Drhodophyta%26start%3D20%26gbv%3D2%26ndsp%3D20%26svnum %3D10%26hl%3Den%26sa%3DN 21 http://images.nationmaster.com/images/maps/zn-map.gif 22 http://static.flickr.com/81/206667219_3bb1a09dc8.jpg 23 http://oceanexplorer.noaa.gov/explorations/04fire/logs/april05/media /chemo_600.jpg 24 http://www.whrc.org/carbon/images/Flux_of_CarbonLG.gif 25 http://geology.uprm.edu/Morelock/GEOLOCN_/coast/south/pventa.jpg 26 http://radio.weblogs.com/0105910/images/cold_clouds.jpg 27 http://www.daffa.gov.au/__data/assets/image/5745/asian_mussel.jpg 28 http://www.dailynexus.com/article.php?a=5335

  40. 29 http://www.sigmaaldrich.com/img/assets/4262/HiFluoro_Pseudomonas_ Agar_Base_2.jpg 30 http://upload.wikimedia.org/wikipedia/en/a/ab/Agarose_Gel_ Electrophoresis.png 31 http://www.laurensveganjournal.org/pictures/Sushi.jpg 32 http://www.botany.hawaii.edu/faculty/webb/BOT311/Rhodophyta/Porphyra.gif 33 http://k53.pbase.com/o4/81/680181/1/63289574.KEWcyjab.P1100618.JPG 34 http://www.barryfarm.com/images/product/thickeners/agar.JPG 35 http://myweb.dal.ca/jmarchib/pic.secondary-endo.jpg 36 http://images.google.com/imgres?imgurl=http://us.st11.yimg.com/ us.st.yimg.com/I/ojaiphoto_1919_3703330&imgrefurl 37 http://www.uic.edu/classes/bios/bios101/Predation/img019.gif

  41. 38 http://www.rbgsyd.nsw.gov.au/__data/assets/image/49334/RedAlgaLifeCycle.gif 39 http://www.hermonslade.org.au/projects/HSF_05_9/HSF_05_9_image_03_full.jpg 40 http://www.unige.ch/sciences/biologie/biani/msg/teaching/photos%20liste/ Corallina%20sp.JPG

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