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