Cell wall and sheath constituents of the cyanobacterium Gloeobacter violaceus |
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Authors: | Sabine Schneider Uwe J Jürgens |
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Institution: | (1) Institut für Biologie II, Mikrobiologie, Albert-Ludwigs-Universität, Schänzlestrasse 1, W-7800 Freiburg i. Br., Federal Republic of Germany |
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Abstract: | Sheaths isolated from Gloeobacter violaceus were found to be composed of a major polysaccharide moiety (glucose, galactose, rhamnose, mannose, arabinose), a protein moiety, and negatively charged components (glucuronic acids, phosphate, sulfate). Outer membrane polypeptide patterns were dominated by two major peptidoglycan-associated proteins (Mr 62,000 and 53,000). Lipopolysaccharide constituents were glucosamine, 3-hydroxy fatty acids (3-OH-14:0, anteiso-3-OH-15:0, 3-OH-16:0, 3-OH-18:0), carbohydrates, and phosphate. A1-type peptidoglycan and non-peptidoglycan components (mannosamine, glucose, mannose, and glucosamine) indicated the presence of a peptidoglycan-polysaccharide complex in the cell walls of Gloeobacter violaceus.Abbreviations A2pm
diaminopimelic acid
- ATCC
American Type Culture Collection
- CE
cell envelope
- CM
cytoplasmic membrane
- CW
cell wall
- dOcla
3-deoxy-d-manno-2-octulosonic acid
- GalN
galactosamine
- GlcN
glucosamine
- GlcUA
glucuronic acid
- HF
hydrofluoric acid
- LPS
lipopolysaccharide
- ManN
mannosamine
- M
relative molecular mass
- MurN
muramic acid
- MurN-6-P
muramic acid-6-phosphate
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OMe
O-methyl
- PAGE
polyacrylamide gel electrophoresis
- PCC
Pasteur Culture Collection
- SDS
sodium dodecyl sulfate
- SH
sheath |
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Keywords: | Cell wall Cyanobacterium Gloeobacter violaceus Lipopolysaccharide Outer membrane protein Peptidoglycan-polysaccharide complex Sheath |
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