BIOMI 2900 Lecture Notes - Lecture 7: Phototaxis, Chloroform, Anaerobic Organism
8 Sep 2017
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Swimming towards where it wants to go longer run. Believed to help organisms vertically orient in sediments. Endospore - only members of phylum firmicutes form true endospores. Clostridium botulinum - produces neurotoxin in canned foods. 121 c for 10-15 minutes to kill some. A lot of microbes like to form dormant stages. Anaerobically - called clostridiales (some more now, but those two groups are where it came from) Phase microscope - spores appear bright, are refractile. Form in adverse condition to can, have to reach 121 c causes flaccid paralysis. Bacillus anthracis - can persist in soil for decades germinates in puncture wounds produces a neurotoxin that causes rigid paralysis. > is protein - 155 g rrna - 48 fg. Dna - 9 fg trna - 8. 6 fg. Need a lot of carbon (50% of the cell) Also need a lot of o, n, h, p, s. Additionally, k, fe, ca, mg, cl, and a few others (mn, zn, others)
