2024
Vibrio cholerae RbmB is an α-1,4-polysaccharide lyase with biofilm-disrupting activity against Vibrio polysaccharide (VPS).
Weerasekera R, Moreau A, Huang X, Nam K, Hinbest A, Huynh Y, Liu X, Ashwood C, Pepi L, Paulson E, Cegelski L, Yan J, Olson R. Vibrio cholerae RbmB is an α-1,4-polysaccharide lyase with biofilm-disrupting activity against Vibrio polysaccharide (VPS). PLOS Pathogens 2024, 20: e1012750. PMID: 39621768, DOI: 10.1371/journal.ppat.1012750.Peer-Reviewed Original ResearchVibrio polysaccharideBiofilm dispersalHuman pathogen Vibrio choleraeV. cholerae biofilmsPathogen Vibrio choleraeBiofilm disruption activityFormation of biofilmsVibrio coralliilyticusPolysaccharide lyasesLyase mechanismV. choleraeVibrio choleraeBiofilm matrixPathogenic bacteriaRbmBAntibacterial enzymesSecreted macromoleculesSolid-state NMRGlycolytic enzymesFluorescence-based biochemical assayBiofilmBiochemical assaysEnzymeSecreted glycosidasesDouble bond
2023
New Insights into Vibrio cholerae Biofilms from Molecular Biophysics to Microbial Ecology
Tai J, Ferrell M, Yan J, Waters C. New Insights into Vibrio cholerae Biofilms from Molecular Biophysics to Microbial Ecology. Advances In Experimental Medicine And Biology 2023, 1404: 17-39. PMID: 36792869, PMCID: PMC10726288, DOI: 10.1007/978-3-031-22997-8_2.Peer-Reviewed Original ResearchConceptsV. cholerae biofilmsBacterial signal transduction networkSignal transduction networksBiofilm formationVibrio cholerae biofilmsKey model systemV. choleraeEcological roleMicrobial ecologyTransduction networksBiofilm maturationEnvironmental survivalCholera pathogenesisMolecular biophysicsRegulatory systemVibrio choleraeEl Tor biotypeBacterial surface attachmentRecent insightsModel systemBiofilmsLife cycleSurface attachmentCholeraeCentral function
2022
Molecular Mechanism of Vibrio cholerae biofilm adhesion
Weerasekera R, Hinbest A, Nero T, Huang X, Yan J, Olson R. Molecular Mechanism of Vibrio cholerae biofilm adhesion. The FASEB Journal 2022, 36 DOI: 10.1096/fasebj.2022.36.s1.l7499.Peer-Reviewed Original ResearchΒ-prism domainV. cholerae biofilmsBiofilm matrixAbiotic surfacesCommunity of microorganismsComplex N-glycansΒ-propeller domainHost colonizationSequence identityAdhesion proteinsDistinct functionsMolecular mechanismsN-glycansBacterial cellsFunctional assaysHost surfaceVirulence factorsVibrio choleraeProteinMain proteinsV. choleraeSpecific adhesion moleculesBiofilmsBAP1Cholerae
2021
CO 2 -Driven diffusiophoresis for maintaining a bacteria-free surface
Shim S, Khodaparast S, Lai CY, Yan J, Ault JT, Rallabandi B, Shardt O, Stone HA. CO 2 -Driven diffusiophoresis for maintaining a bacteria-free surface. Soft Matter 2021, 17: 2568-2576. PMID: 33514979, DOI: 10.1039/d0sm02023k.Peer-Reviewed Original ResearchConceptsWild-type V. choleraeCell shapeBacterial cellsDirectional migrationV. choleraeCO2 gradientNonzero surface chargeP. aeruginosaCellsCO2 sourcesFlagellaCO2 concentration gradientBacteriaCholeraeDirectional responseBacteria-free surfaceGram stainMotilityAnti-biofouling surfacesConcentration gradientGradientAeruginosa