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Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain Bioinformatics Conference December 11 th 2014 Mazmanian and Kasper 2006
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Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

Jan 02, 2016

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Page 1: Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

Polysaccharide Aa widely distributed immunoregulatory microbial product

Matthew Rhodes and Catherine LozuponeUniversity of Colorado, Denver

Rocky Mountain Bioinformatics Conference

December 11th 2014

Mazmanian and Kasper 2006

Page 2: Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

Mazmanian 2009

The Microbial Health Factor (PSA)

One bacterial molecule sufficient to mediate healthy immune response!!!

BAD GOODPSA

Page 3: Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

The B. fragilis PSA Operon

Coyne et al. 2001

E-ValueH

its to

wcf

RNext best hit in B. fragilis (PSB)

Page 4: Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

IL-10 Production Amongst PSA Producers

Red: PSA Black:No-PSA

0

200

400

600

IL-1

0 (p

g/m

l)

Neff unpublished

Page 5: Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

PSA and HIV

Page 6: Polysaccharide A a widely distributed immunoregulatory microbial product Matthew Rhodes and Catherine Lozupone University of Colorado, Denver Rocky Mountain.

Erysipelotrichales and HIV OTUs

Red: Genome without PSAOrange: OTU up with HIVGreen: Genome with PSABlue: OTU down with HIV

Thank You!!!Lozupone LabPalmer LabSarkis Mazmanian and other CollaboratorsComputational Bioscience for Funding