1. 7 “Unidentified Growing Object” Garland Texas, 1973.
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Transcript of 1. 7 “Unidentified Growing Object” Garland Texas, 1973.
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“Unidentified Growing Object”
Garland Texas, 1973
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Scrambled Egg Slime Mold
Fuligo septica
Dog Vomit Slime Mold
THE CULPRIT?
C J Alexopoulos:
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Lycogala epidendrum
True Slime Molds: First Described (1654)
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3True Slime Molds“Myxomycetes”
Cellular Slime Molds
Anton De Bary: “Acrasia” (1887):Mycetozoa (Slime Molds) and Fungi
vs.
Are Slime Molds Fungi?
(NO)
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Are Slime Molds “Fungi”?
Editions 1, 2 3: YES Edition 4: NO
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?
Are Slime Molds “Fungi”?
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True Slime Mold Micro Habitats
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“Habitat Specialization”
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Slime Mold Nutrition
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Slime Mold Nutrition: Phagocytosis
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Plasmodium (Physarum)
True Slime Molds = Cellular Slime Molds(Myxomycetes)
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True Slime Molds = Cellular Slime Molds(Myxomycetes)
Sclerotium
Macrocyst
Macrocyst
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True Slime Molds = Cellular Slime Molds(Myxomycetes)
Plasmodium Sclerotium
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True Slime Molds = Cellular Slime Molds(Myxomycetes)
Sporangium (Physarum)
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19Aethalium (Lycogala)
SPOROPHORES
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True Slime Molds = Cellular Slime Molds(Myxomycetes)
Spores (Physarum)20
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True Slime Molds = Cellular Slime Molds(Myxomycetes)
MyxamoebaeSwarm Cells
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Plasmagamy and Zygote Formation
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Swarm Cells Myxamoebae
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True Slime Molds = Cellular Slime Molds(Myxomycetes)
Young Plasmodium Development
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Fig. 29-5 in Alexopoulos et al. 1995
Life Cycle of a True Slime Mold (Myxomycete)
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Cellular Slime Molds
Dictylostelium
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CELLULAR SLIME MOLDS IN NATURE27
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29 30
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CELLULAR SLIME MOLDS
Nutrition, Growth, and Dormancy(Dictyostelium)
Microcyst
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CELLULAR SLIME MOLDS
Starvation and Aggregation(Dictyostelium)
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cAMP
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CELLULAR SLIME MOLDS
Pseudoplasmodium = Slug Stage = Grex Stage(Dictyostelium)
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CELLULAR SLIME MOLDS
33 34Sorocarp Formation (Dictyostelium)
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CELLULAR SLIME MOLDS
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Spore Formation and Dispersal
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CELLULAR SLIME MOLDS
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Spore Germination and Myxamoeba(Dictyostelium)
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Cellular Slime Molds
Anamorph (Dictyostelium)35
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Fig. 27-2, Fig. 27-4 in Alexopoulos et al.1995
Cellular Slime Molds
Fusion of Myxamoebae; Macrocyst Formation (Dictyostelium)
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Holomorph (Dictyostelium)
Cellular Slime Molds
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1 http://botit.botany.wisc.edu/toms_fungi/june99.html
2 http://images.the-scientist.com/content/images/articles/54804/30-1.jpg
3 http://www.aphotofungi.com/SlimeMould-Physarum%20polycephalum23-03-07.jpg
4 http://www.mykoweb.com/bookstore/graphics/bsi019.gif
5 http://http://lh6.ggpht.com/_pxQaNYAkuFo/SMqbAjiVOaI/ AAAAAAAADsw/gzpvIDDbd_A/Lycogala+(2).JPG
6 http://www.earthfirstjournal.org/images/article_image.php?id=179
7 http://maggiesfarm.anotherdotcom.com/uploads/slimemold.jpg
8 http://k53.pbase.com/u39/kmbloss/upload/32470924.2004_06_27ragtop 0027origcopy.jpg
10 http://www.shortcourses.com/naturelog/slime-mold-05.jpg
9 http://grovelandscaping.com/wp-content/uploads/dscf0002.jpg
12 http://www.shortcourses.com/naturelog/slime-mold-05.jpg
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13 http://www.madaboutmushrooms.com/mad_about_mushrooms/MarysImages/ mystery-mold2-may08.jpg
14 http://blog.mycology.cornell.edu/wp-content/uploads/2007/10/the-blob- eats-a-jock.jpg
15 http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/9478.jpg
16 http://www.ucmp.berkeley.edu/protista/physarum.gif
17 http://www.educationalassistance.org/Physarum/Graphics/Sporangia.gif
18 http://www.aphotofungi.com/SlimeMould-Physarum%20polycephalum23- 03-07.jpg
19 http://handsontheland.org/monitoring/projects/slimemolds/images/physarum_ viride_nl240.gif
20 http://io.uwinnipeg.ca/~simmons/2152web/2152/Image312.gif
21 http://farm1.static.flickr.com/91/226726758_f47a7a1b3a.jpg?v=0
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22 http://io.uwinnipeg.ca/~simmons/2152web/2152/Image313.gif
23 http://www.mycolog.com/myxameb.jpg
24 http://www.bio.brandeis.edu/fieldbio/Fungi_Miller_Stevens_Rumann/ Edited%20Images/lycogala_epidendrum_raw4_edited_resized_large.jpg
25 http://www.botany.hawaii.edu/faculty/wong/Bot201/Myxomycota/ amoeba2t.JPG
26 http://transdeath.uni-graz.at/Pictures/dictyostelium.jpg
27 http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/ Dictyostelium_Aggregation.JPG/180px-Dictyostelium_Aggregation.JPG
28 http://gallery.photo.net/photo/4412299-lg.jpg
29 http://pinker.wjh.harvard.edu/photos/new_zealand_II/images/glossy% 20leaves%20forest%20floor.jpg
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30 http://www.media.rice.edu/images/media/2006RiceNews/0831_slimmold.jpg
31 http://www.sciencedaily.com/images/2005/05/050504225817.jpg
32 http://inlinethumb32.webshots.com/20959/2929117930104217012S600x600Q85.jpg
33 http://transdeath.uni-graz.at/Pictures/dictyostelium.jpg
34 http://www.laurentian.ca/NR/rdonlyres/C52C232B-4B96-48A1- A8F4-7AA9C8AF0D9E/0/dictyostelium.jpg
35 http://www.nature.com/nature/journal/v408/n6815/images/408917aa.2.jpg