28 29 30 31 32 33 stramenopiles. 1 3 4 5 stramenopiles: autotrophs (“ochrophytes”) brown algae...
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STRAMENOPILES: Autotrophs(“Ochrophytes”)
Brown Algae
Yellow-Green Algae
Synurans
Golden-Brown Algae
STRAMENOPILES: Heterotrophs
Late Potato Blight Grape Downy MildewDamping Off Disease,Root Rot
PlasmoporaPythiumPhytopthora
9Epizoic
Endozoic
11(Foraminfera)
Epiphytic
Endophytic/Endosymbiotic
Epilithic
(Cnidaria)
Diatom Substrates
Pseudo-nitzschiaAmnesiac Shellfish Poisoning
15
Neurotoxin: Domoic Acid(Binds to Kainate Receptors Membranes of Nervous System)
18Silica (SiO2, Silicon Dioxide)
19
• Abundant in Water
• Inert to Enzymatic Attack
• pH buffer; maintains Carbonic Anhydrase Activity
Raphe, Central Nodule, Polar Nodules
Fig. 12-25 in Graham and Wilcox 2000
Fig. 13.1 in Lee 1998 Fig. 13.3 in Lee 1999
Diatom Structural Diversity:Centric, Araphic Pennate, Raphic Pennate
CENTRIC
ARAPHIC PENNATE
RAPHIC PENNATE
1 http://www.daviddarling.info/images/diatoms.jpg
2 http://www.bhikku.net/archives/03/img/diatoms.JPG
3 http://www.zarzora.com/albums/Great-Sand-Sea/silica.jpg
4 http://mynasadata.larc.nasa.gov/images/upwelling.gif
5 http://library.thinkquest.org/5194/picts/ocean%20map.JPEG
6 http://www.islandnet.com/~see/weather/graphics/photos0506/ laketurnover.gif
7 http://www.mholmer.biology.sdu.dk/grafik/snapshot/Pelagic% 20trap.JPG
8 http://dept.bio.unipd.it/~casellato/research/foto/benthic1.jpg
9 http://home.hiroshima-u.ac.jp/fishlab/Dhaku/epizoic%20diatom/Falcula %20hyalina/1st%20ante%20em.jpg
11 http://fce.lternet.edu/publications/presentations/FCEslides/images/Slide17.jpg
12 http://www.epa.vic.gov.au/water/coasts/contentpix/shore.jpg
13 http://www.fbs.leeds.ac.uk/gradschool/BCMSc/graphics/wifs.gif
14 http://hjs.geol.uib.no/marinemicro/maps/0-0-2-map-sediments-facies.jpg
15 http://www.arpa.emr.it/daphne/progetto_mare/images/im_ Pseudo_nitzschia_seriata.jpg
16 http://www.astrographics.com/GalleryPrints/Display/GP2131.jpg
17 http://www.ualg.pt/adiac/intro/frustule.GIF
18 http://www.microscope-microscope.org/applications/sand/LakePowell3.jpg
19 http://wwwdelivery.superstock.com/WI/223/1597/PreviewComp/SuperStock_1597-27246.jpg
20 http://www.astrographics.com/GalleryPrints/Display/GP2131.jpg
21 http://www.priweb.org/ed/pgws/systems/images/diatom.jpg
22 http://www.priweb.org/ed/pgws/systems/images/diatom.jpg
23 http://www.microscopy-uk.org.uk/mag/imgapr02/db2sa.jpg
24 http://www-biol.paisley.ac.uk/bioref/Chromista/Vaucheria_epiphytes.jpg
25 http://www.scienceprogress.org/wp-content/uploads/2008/10/plankton_591.jpg
26 http://courses.bio.psu.edu/fall2005/biol110/tutorials/tutorial30_files/ diatomaceous_earth.jpg
27 http://www.holocaust-history.org/auschwitz/zyklonb/Sample3-diatomaceousearth.jpg
28 http://www.carolina.com/images/en_US//local/products/altview_large/152940_lp.jpg
29 http://www.glerl.noaa.gov/seagrant/GLWL/Protozoa/Ochromonas2.jpg
31 http://www.marlin.ac.uk/imgs/Species/Chromophycota/ o_lamhyp.jpg
32 http://herbarium.biosci.ohio-state.edu/Diatom.jpg
33 http://botit.botany.wisc.edu/toms_fungi/images/saprolegnia.jpg
34 http://myweb.dal.ca/jmarchib/pic.secondary-endo.jpg