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- The Basics of Glycan Structure, Biosynthesis, and Function
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28 min
1. Use of heparosan polysaccharide to enhance drug delivery- Prof. Paul L. DeAngelis
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31 min
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49 min
3. O-GlcNAc, an essential regulator of numerous cellular pathways- Dr. Natasha Zachara
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58 min
4. Plant cell wall: structure and biosynthesis- Prof. Debra Mohnen
- Dr. Melani A. Atmodjo
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51 min
5. GPI-anchored glycoproteins- Prof. Michael Ferguson
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52 min
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51 min
7. Structure of cell walls in yeast and other fungi- Dr. Peter Lipke
- Glycan Regulation and Function in Development and Physiology
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49 min
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23 min
9. Glycan regulation of receptor functions- Prof. Naoyuki Taniguchi
- Glycan Involvement in Disease and Disorders
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31 min
10. Congenital disorders of N-glycosylation- Prof. Harry Schachter
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44 min
11. Glycosylation changes during oncogenesis- Prof. Michael Pierce
- Innovative Technologies for Glycoscience and Glycomics
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70 min
12. Protein-glycan interactions- Prof. James Prestegard
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41 min
13. Glycobiology: an untapped source of novel drugs- Dr. John Magnani
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59 min
14. Development of glyco-biomarkers using glycoproteomics technologies- Dr. Hisashi Narimatsu
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40 min
15. GlycoBioInformatics- Dr. René Ranzinger
- Archived Lectures *These may not cover the latest advances in the field
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46 min
16. Glycosyltransferases: structures and mechanisms- Prof. Monica Palcic
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50 min
17. Roles of glycans in yeast cell walls- Dr. Peter Lipke
Printable Handouts
Navigable Slide Index
- Introduction
- Why the interest in symbiosis?
- Bacterial cell surface carbohydrates
- Adaptation of the bacterial cell surface
- The symbiotic infection process
- Rhizobium - "nod factors"
- Microbes and plant defense
- Nod factors and host defense
- The animal/plant innate defense response
- Chitin and nod factor recognition: a comparison
- Rhizobium LPS structures
- Rhizobial lipid A
- Other rhizobial lipid A structures
- Rhizobial lipid A 27-hydroxyoctacosanoic acid
- The phenotype of an acpXL mutant
- Changes in the bacteroid lipid A structure
- Removal of OPS alters cell surface ionic character
- The plant defense response to rhizobial LPS
- Some questions to answer
- Acknowledgements
Topics Covered
- Bacterial carbohydrates in microbe-host interactions
- Rhizobium cell surface carbohydrates and their role in forming a nitrogen-fixing symbiosis with their host legume
- Adaptation of bacterial cell surface carbohydrate structures in response to the host cell
- Production of a lipochitin oligosaccharide (LCO) by Rhizobium in response to flavonoids produced by the legume host
- Structures and relationship to a host defense response
- The plant defense response to rhizobial LCO
- The function of Rhizobial LCO as a microbial associated molecular pattern (MAMP)
- MAMP-triggered immunity
- Effector triggered immunity
- Rhizobial lipopolysaccharides (LPSs) in symbiosis
- Structures of the different LPS structural regions (lipid A, core oligosaccharide, and O-antigen polysaccharide) and their function in symbiosis
- The perception of rhizobial LPSs by the host
- Is rhizobial LPS a PAMP?
- Future research with LPS
Links
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Talk Citation
Carlson, R. (2012, November 27). The role of bacterial carbohydrates in microbe-plant interactions: Rhizobium- legume nitrogen-fixing symbiosis [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved May 9, 2025, from https://doi.org/10.69645/XIST7128.Export Citation (RIS)
Publication History
- Published on November 27, 2012
Financial Disclosures
- Prof. Russell Carlson has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
The role of bacterial carbohydrates in microbe-plant interactions: Rhizobium- legume nitrogen-fixing symbiosis
Published on November 27, 2012
52 min
A selection of talks on Biochemistry
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