1. 7 “Unidentified Growing Object” Garland Texas, 1973.
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Transcript of 1. 7 “Unidentified Growing Object” Garland Texas, 1973.
1
7
“Unidentified Growing Object”
Garland Texas, 1973
13
Scrambled Egg Slime Mold
Fuligo septica
Dog Vomit Slime Mold
THE CULPRIT?
C J Alexopoulos:
5
Lycogala epidendrum
True Slime Molds: First Described (1654)
2
3True Slime Molds“Myxomycetes”
Cellular Slime Molds
Anton De Bary: “Acrasia” (1887):Mycetozoa (Slime Molds) and Fungi
vs.
Are Slime Molds Fungi?
(NO)
Are Slime Molds “Fungi”?
Editions 1, 2 3: YES Edition 4: NO
?
Are Slime Molds “Fungi”?
True Slime Mold Micro Habitats
9
11
12
13
6
“Habitat Specialization”
14
Slime Mold Nutrition
15
Slime Mold Nutrition: Phagocytosis
16
Plasmodium (Physarum)
True Slime Molds = Cellular Slime Molds(Myxomycetes)
18
21
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Sclerotium
Macrocyst
Macrocyst
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Plasmodium Sclerotium
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Sporangium (Physarum)
17
19Aethalium (Lycogala)
SPOROPHORES
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Spores (Physarum)20
2223
True Slime Molds = Cellular Slime Molds(Myxomycetes)
MyxamoebaeSwarm Cells
25
Plasmagamy and Zygote Formation
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Swarm Cells Myxamoebae
True Slime Molds = Cellular Slime Molds(Myxomycetes)
Young Plasmodium Development
Fig. 29-5 in Alexopoulos et al. 1995
Life Cycle of a True Slime Mold (Myxomycete)
26
Cellular Slime Molds
Dictylostelium
CELLULAR SLIME MOLDS IN NATURE27
28
29 30
CELLULAR SLIME MOLDS
Nutrition, Growth, and Dormancy(Dictyostelium)
Microcyst
CELLULAR SLIME MOLDS
Starvation and Aggregation(Dictyostelium)
27
cAMP
27
31
32
CELLULAR SLIME MOLDS
Pseudoplasmodium = Slug Stage = Grex Stage(Dictyostelium)
CELLULAR SLIME MOLDS
33 34Sorocarp Formation (Dictyostelium)
34
CELLULAR SLIME MOLDS
35
Spore Formation and Dispersal
CELLULAR SLIME MOLDS
35
Spore Germination and Myxamoeba(Dictyostelium)
Cellular Slime Molds
Anamorph (Dictyostelium)35
Fig. 27-2, Fig. 27-4 in Alexopoulos et al.1995
Cellular Slime Molds
Fusion of Myxamoebae; Macrocyst Formation (Dictyostelium)
Holomorph (Dictyostelium)
Cellular Slime Molds
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
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
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
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