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Myxococcus xanthus The Coolest Bacteria PROOF!!! Presentation for Mrs. James' Bio II class Scientific Stuff • Name: Myxococcus xanthus • Classification: -Actually is rod-shaped (have rounded ends… so it’s a coccus) -Chemoorganotrophic (chemohetero, basically) -Aerobic (need oxygen) More Scientific Stuff • Habitat – Organic soil (has to have pH 5- 8) Can also live in rockier terrain • Special Adaptations - 2 types of locomotion 1. Type IV Pilli (used as a hook) 2. Mucus Secretion (helps it move in a 'gliding' fashion) - Has a multi-cellular synchronizing mechanism -Can talk with other cells to work together against a common prey Can form endospores when food is not available - Last of Science Stuff • Not disease-causing (not harmful to humans) • Gram-negative • Environmental Impact/ Function - Kills lots of bacteria • Cool Stuff – It is used (and still being studied) to kill harmful bacteria and fungi and is used to make antibodies which can fight off yeasts, mold, and enterobacteria. Cool Stuff - 2 Mutations • This mutation has what is called Adventurous Motility (A) 39 seconds • This mutation has what is called Social Motility (S) 12 seconds More Cool Stuff • Now is being researched to make a medicine called Taxol that can target breast-cancer cells • Genome is 9.14 Mb (not mega-bytes but Mega base which is 1,000,000 base-pairs) Mass of 100,000 Myxococcus Xanthus cells with their visable spores Hyperlinks • http://www.google.com/search?hl=en&source=hp&q=coolest+bacteria&rlz=1R2ADSA_enUS349&aq=f&aqi=&aql=&o q= http://rlv.zcache.com/support_bacteria_funny_mens_t_shirt-p235401265518966672qdvq_400.jpg • http://en.citizendium.org/wiki/Myxococcus_xanthus • http://cmgm.stanford.edu/devbio/kaiserlab/about_myxo/about_myxococcus.html • http://www.devbio.uga.edu/gallery/2.html • http://microbewiki.kenyon.edu/index.php/Myxococcus