Plasmodial Slime Molds

Plasmodial Slime Molds - P lasmodial Slime Molds Form a...

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Plasmodial Slime Molds Form a mass called a plasmodium - Coenocytic: multinucleate from the repeated division of nuclei without cytoplasmic division - Extends pseudopodia through decomposing matter, engulfing food by phagocytosis Cellular Slime Molds Form multicellular aggregates - Cells separated by their membranes Dictyostellium discoideum is an experimental model for studying the evolution of multicellularity Plant Diversity I: How Plants Colonized Land Chapter 29 Charophyceans are considered to be the closest relative with terrestrial plants Concept 29.1: Land plants evolved from green algae - Charophyceans have been identified as the closest relatives of land plants Four key traits land plants share with Charophyceans 1. Rose-shaped complexes for cellulose synthesis 2. Peroxisome enzymes 3. Structure of flagellated sperm 4. Formation of phragmatoplasts Genetic evidence - Comparisons of nuclear and chloroplast genes point to close relationship between charophytes and land plants. The Move to Land
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This note was uploaded on 03/27/2010 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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Plasmodial Slime Molds - P lasmodial Slime Molds Form a...

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