Featured Publications
Mechanical forces drive a reorientation cascade leading to biofilm self-patterning
Nijjer J, Li C, Zhang Q, Lu H, Zhang S, Yan J. Mechanical forces drive a reorientation cascade leading to biofilm self-patterning. Nature Communications 2021, 12: 6632. PMID: 34789754, PMCID: PMC8599862, DOI: 10.1038/s41467-021-26869-6.Peer-Reviewed Original ResearchConceptsVibrio cholerae biofilmsSurface-attached aggregatesBacterial communitiesCell-surface interactionsDevelopmental processesBiofilm developmentBacterial cellsCell reorientationExtracellular matrixNonadherent mutantsDifferential growthBacterial biofilmsMechanical forcesBiofilmsBacterial growthDifferential orderingCellsGrowthMutantsLarge collectionMorphogenesis and cell ordering in confined bacterial biofilms
Zhang Q, Li J, Nijjer J, Lu H, Kothari M, Alert R, Cohen T, Yan J. Morphogenesis and cell ordering in confined bacterial biofilms. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2107107118. PMID: 34330824, PMCID: PMC8346881, DOI: 10.1073/pnas.2107107118.Peer-Reviewed Original ResearchConceptsInherent developmental programsBiofilm-dwelling cellsBiofilm-forming speciesSingle-cell imagingDevelopmental programSpecific matrix componentsCell orderingBiofilm developmentSpherical biofilmsBacterial cellsCell communityExtracellular matrixBiofilm morphologyBacterial biofilmsBiophysical mechanismsMatrix componentsHost tissuesBiofilmsBiofilm growthStiff gelsCellsMorphogenesisMutagenesisSpeciesVibrio
2023
Mechanical Characterization and Single‐Cell Imaging of Bacterial Biofilms
Moreau A, Mukherjee S, Yan J. Mechanical Characterization and Single‐Cell Imaging of Bacterial Biofilms. Israel Journal Of Chemistry 2023, 63 DOI: 10.1002/ijch.202200075.Peer-Reviewed Original Research
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
2017
Extracellular-matrix-mediated osmotic pressure drives Vibrio cholerae biofilm expansion and cheater exclusion
Yan J, Nadell CD, Stone HA, Wingreen NS, Bassler BL. Extracellular-matrix-mediated osmotic pressure drives Vibrio cholerae biofilm expansion and cheater exclusion. Nature Communications 2017, 8: 327. PMID: 28835649, PMCID: PMC5569112, DOI: 10.1038/s41467-017-00401-1.Peer-Reviewed Original ResearchConceptsBiofilm-forming bacterial speciesSurface-attached communitiesVibrio choleraeActive cell growthModel organismsMatrix-producing cellsBacterial lifeNutrient uptakeEnvironmental perturbationsBacterial speciesBacterial cellsPlanktonic cellsSubmerged biofilmsExtracellular matrixCell growthMatrix productionOsmotic pressureBiofilm growthBiofilmsCholeraeCellsPhysical exclusionMatrix crosslinkingOsmotic swellingGrowth