21 HAPTOPHYTES. 14 15 Flagella, Haptonema 8 Haptonema Function 1)Obstacle Avoidance 2) Adhesion 3)...
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Transcript of 21 HAPTOPHYTES. 14 15 Flagella, Haptonema 8 Haptonema Function 1)Obstacle Avoidance 2) Adhesion 3)...
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21
HAPTOPHYTES
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14
15
Flagella, Haptonema
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8
Haptonema Function
1) Obstacle Avoidance
2) Adhesion
3) Phagocytosis
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1
External Covering
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2) Organic Scales1) Naked
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Figs. 10.7, 10.8 in Graham et al. 2008
Organic Scale Formation
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External Covering
3
5
3) Coccoliths
“Coccospheres”
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Heterococcolith Formation
Fig. 10.10 in Graham et al. 2008
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Holococcolith Formation
Figs. 10.9, 10.11 in Graham et al. 2008
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Coccolith Function
1) Focusing Light
2) Limit Access byBacteria, Viruses
3) Retard Herbivory
4) Buoyancy Regulation
Fig. 10.13 in Graham et al. 2008
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Fig. 10.14 in Graham et al. 2008
Chloroplast Structure
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Haptophyte Chloroplast Origin
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Cell Division
Fig. 10.15 in Graham et al. 2008
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Haptophyte Asexual and Sexual Reproduction
Holococcoliths (n) Heterococcoliths (2n)
Prymnesium Species A (n)
25
Prymnesium Species B (2n)26
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Evidence for Holococcolith (n) as Gametes, Heterococcoliths (2n) as Zygotes
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Haptophyte Significance
Isochrysis
29Pavlova lutheri
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Phaeocystis is a Haptophyte. It forms a gelatinous colony. It is believed that their decaying remains are the cause of the foam on the sea shore.
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Phaeocystis Colony
11
Haptophyte Significance
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Chrysochromulina
26
Prymnesium parvum
Haptophyte Significance
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Phaeocystis Colony
Emiliania
Fig. 10.16 in Graham et al. 2008
Haptophyte Significance
DMS (Volatile) Production
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Oceans = 2/3 of Earth’s SurfaceCarbonate Deposits = ½ of Ocean Floor
Haptophytes Contribute ¼ of Carbonate on Ocean Floor7
Haptophyte Significance
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Haptophyte Significance30
Haptophytes Contribute at least 25% of Vertical Carbon Transport to Ocean Floor (Graham et al. 2008)
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13
Isle of Wight Chalk Cliffs
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Haptophyte Significance
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Haptophyte Phylogeny
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1 http://img.search.com/thumb/d/d1/Emiliania_huxleyi_3.jpg/ 250px-Emiliania_huxleyi_3.jpg
2 http://www.biol.tsukuba.ac.jp/~inouye/ino/h/phaeocystis.gif
3 http://www.b-s-p.org/bspnews/981/images/981-05a.png
4 http://www.microscopy-uk.org.uk/micropolitan/marine/algae/phaeocystis450.jpg
5 http://www.ucmp.berkeley.edu/chromista/coccolith.gif
6 http://hjs.geol.uib.no/marinemicro/maps/0-0-2-map- sediments-facies.jpg
7 Graham and Wilcox 2000
8 Fig. 10-3 in Graham and Wilcox 2000
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9 http://www.metoffice.gov.uk/research/hadleycentre/models/carbon_cycle/ CDIAC_glob_c_cycle.gif
11 http://www.biol.tsukuba.ac.jp/~inouye/ino/h/phaeocystis.gif
10 http://www.microscopy-uk.org.uk/micropolitan/marine/algae/ phaeocystis450.jpg
12 https://www.biomedia.cellbiology.ubc.ca/cellbiol/media/images/lrg625/1130048723_Akaroa_Bay-NZ-coccolith_of_Gephyrocapsa_oceanica-Apr-05_m05-2.jpg
13 Fig. 10-7 in Wilcox and Graham 2000
14 http://www.jochemnet.de/fiu/bot4404/Hapto_haptonema.jpg
15 http://www.jochemnet.de/fiu/hapto1.gif
16 Fig. 10-11 in Wilcox and Graham 2000
17 http://www-biol.paisley.ac.uk/bioref/Habitats/Needles_DSC_3524.jpg
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18 http://web.mit.edu/esgbio/www/lm/sugars/cellulose.GIF
19 http://www.nature.com/news/2001/010118/images/cellulose_200.jpg
20 http://www.2spi.com/catalog/analytical/images/3d/calcium% 20carbonate%20crystals.jpg
21 http://www.nhm.ac.uk/hosted_sites/ina/graphics/stampdetail.jpg
22 http://www-gte.larc.nasa.gov/img/able1.jpg
23 http://www.uth.tmc.edu/bmb/images/faculty-mary-marsh-fig2.jpg
24 http://www.uth.tmc.edu/bmb/images/faculty-mary-marsh-fig2.jpg
25 http://www.scielo.cl/fbpe/img/imar/v35n1/fig09-02.jpg
26 http://www.tpwd.state.tx.us/landwater/water/environconcerns/hab/ga/ images/p_parvumbuzan.jpg
27 http://www.jochemnet.de/fiu/bot4404/Hapto_Chrysochromulina2.gif
28 http://www.ag.auburn.edu/fish/image_gallery/data/media/32/oyster_food.jpg
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29 http://www.lib.noaa.gov/korea/korean_aquaculture/algal.files/microalgal002.gif
30 http://www.e3alive.org/wp-content/uploads/2008/07/carboncycle.png