Topic_16_for_student - Topic 16 Proteobacteria Phylogenetic Tree Domain Bacteria Figure 15.1 Handelsman 2004 Microbiol Mol Biol Rev 68:669-685

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Topic 16 Proteobacteria Phylogenetic Tree Domain Bacteria Figure 15.1 Handelsman. 2004. Microbiol. Mol. Biol. Rev. 68:669-685. Phylogeny of Bacteria 52 phyla established candidate Proteobacteria Many of the most commonly encountered bacteria Metabolically diverse chemolithotrophs chemoorganotrophs phototrophs Morphologically diverse Five phylogenetic groups: α, β, γ, δ, ε Alpha, Beta, Gamma, Delta, Epsilon igure 20.1 P r o t e o b a c t e r i a F o r m e r l y “ P u r p l e b a c t e r i a ” Proteobacteria named after Greek god Proteus Anoxygenic Photosynthesis Photosynthesis is inhibited by O 2 although some can grow aerobically Wavelengths determined by specific bacteriochlorophylls and carotenoids e.g. bcl a is blue Figure 15.2 Photosynthetic Membranes igure 15.3 Ectothiorhodospira mobilis Allochromatium vinosum lamellae flat sheets composed of invaginated internal membranes spherical vesicles contain chromatophores Rhodobacter capsulatus Fixed C from photosynthesis stored as PHB granules igure 20.12 Purple Sulfur Bacteria blooms Photoautotrophs of the Gammaproteobacteria oxidize H 2 S to S during photosynthetic CO 2 reduction in anoxic lakewater stored in periplasm or outside cells, disappears when oxidized to sulfate Figure 15.5 Purple Nonsulfur Bacteria...
View Full Document

This note was uploaded on 01/24/2011 for the course BIOL 140 taught by Professor Cruise during the Spring '10 term at Lahore University of Management Sciences.

Page1 / 34

Topic_16_for_student - Topic 16 Proteobacteria Phylogenetic Tree Domain Bacteria Figure 15.1 Handelsman 2004 Microbiol Mol Biol Rev 68:669-685

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online