MICRB320 Lecture Notes - Lecture 13: Cyanobacteria, Bioavailability, Arbuscular Mycorrhiza
22 Oct 2015
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Phosphorus alot of phosphorous in lakes photo credit: raven, peter, Harcourt:2001 need erosion of rocks to leak out phosphorus. Erosion -> oxidizes rocks -> phosphorus runs to water ways phosphoric acid -> signalling properties -> regulation microbes are very diverse. B/c can use anything as redox partners. Can eat rocks, etc. using diff forms of n and s in the cycle to eat many metabolisms -> performed by consortia, b/c can"t process everything in one organism poly-phosphates -> made out of phosphates. Po4 is needed for microbes -> dna, atp eat plants -> alot of phosphorus. Caused the ability of fungas to transfer it to plants. Guano islands birds congregate , poop alot --> lots of phosphate. The island is made of guano (bird poop) which was mined for phosphate used in industry and agriculture. Redwood seedlings with (right) and without (left) mycorrhizae. -> obligate association alot of surface area contact interacts with microbes really concentrated.
