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Bacteria often live in groups, called biofilms, where they cooperate and compete with each other using a broad spectrum of interactive behaviors. These interactions are central to how bacteria evolve, and how they impact the world around them. We use tools from ecology, evolution, microscopy, and molecular biology to understand the cell-scale mechanisms and biofilm-scale consequences of bacterial social interaction.
Robitaille, S., Simmons, E.L., Verster, A.J., McClure, E.A., Royce, D.B., Swartz, K., Schultz, D., Nadell, C.D., Ross, B.D. (2023). Community composition and the environment modulate the population dynamics of Type IV secretion in human gut bacteria. (2023). Nature Ecology and Evolution (in press)
Smith, W.P.J., Wucher, B.R., Nadell, C,D., Foster, K.R. (2023). Bacterial defences: mechanisms, evolution, and antimicrobial resistance. Nature Reviews Microbiology 21: 519-534
Wucher, B.R., Winans, J.B., Elsayed, M., Kadouri, D.E., Nadell, C.D†. (2023). Breakdown of clonal cooperative architecture in multispecies biofilms and the spatial ecology of predation. PNAS 120(6): e2212650120.
Winans, J.B., Wucher, B.R., Nadell, C.D†. (2022). Multispecies biofilm architecture determines bacterial exposure to phages. PLoS Biology: e3001913
Huber, M., Lippegaus, A., Melamed, S., Siemers, M., Wucher, B.R.*, Nadell, C.D., Storz, G., Papenfort, K. (2022). An RNA sponge controlling quorum sensing dynamics and biofilm formation in Vibrio cholerae. Nature Communications13: 7585
Teschler, J.K., Jiménez-Siebert, E., Jeckel, H., Singh, P.K., Park, J.H., Pukatzki, S., Nadell, C.D., Drescher. K., Yildiz, F.H. (2022) VxrB Influences Antagonism within Biofilms by Controlling Competition through Extracellular Matrix Production and Type 6 Secretion. mBio. Jul 26:e0188522. doi: 10.1128/mbio.01885-22. Online ahead of print. PMID: 35880882
Tai, J.B., Mukherjee, S., Nero, T., Olson, R., Tithof, J., Nadell, C.D., Yan, J. (2022) Social evolution of shared biofilm matrix components. Proc Natl Acad Sci U S A. Jul 5;119(27):e2123469119. doi: 10.1073/pnas.2123469119. Epub 2022 Jun 30. PMID: 35771939
Teschler, J.K., Nadell, C.D., Drescher, K., Yildiz, F.H. (2022) Mechanisms Underlying Vibrio cholerae Biofilm Formation and Dispersion. Annu Rev Microbiol. 2022 Jun 7. doi: 10.1146/annurev-micro-111021-053553. Online ahead of print. PMID: 35671532
Kerkaert, J.D., Le Mauff, F., Wucher, B.R., Beattie, S.R., Vesely, E.M., Sheppard, D.C., Nadell, C.D., Cramer, R.A. (2022) An Alanine Aminotransferase Is Required for Biofilm-Specific Resistance of Aspergillus fumigatus to Echinocandin Treatment. mBio. Apr 26;13(2):e0293321. doi: 10.1128/mbio.02933-21. Epub 2022 Mar 7. PMID: 35254131
Kasetty, S., Katharios-Lanwermeyer, S., O'Toole, G.A., Nadell, C.D. (2021) Differential Surface Competition and Biofilm Invasion Strategies of Pseudomonas aeruginosa PA14 and PAO1. J Bacteriol. 2021 Oct 25;203(22):e0026521. doi: 10.1128/JB.00265-21. Epub 2021 Sep 13. PMID: 34516283
Koeppen, K., Nymon, A., Barnaby, R., Bashor, L., Li, Z., Hampton, T.H., Liefeld, A.E., Kolling, F.W., LaCroix, I.S., Gerber, S.A., Hogan, D.A., Kasetty, S., Nadell, C.D., Stanton, B.A. (2021) Let-7b-5p in vesicles secreted by human airway cells reduces biofilm formation and increases antibiotic sensitivity of P. aeruginosa. Proc Natl Acad Sci U S A. 2021 Jul 13;118(28):e2105370118. doi: 10.1073/pnas.2105370118. PMID: 34260396
Bond. M.C., Vidakovic, L., Singh, P.K., Drescher, K., Nadell, C.D. (2021) Matrix-trapped viruses can prevent invasion of bacterial biofilms by colonizing cells. Elife. Jul 9;10:e65355. doi: 10.7554/eLife.65355. PMID: 34240700
Kasetty, S., Mould, D.L., Hogan, D.A., Nadell, C.D. (2021) Both Pseudomonas aeruginosa and Candida albicans Accumulate Greater Biomass in Dual-Species Biofilms under Flow. mSphere. Jun 30;6(3):e0041621. doi: 10.1128/mSphere.00416-21. Epub 2021 Jun 23. PMID: 34160236
Kasetty D, Mould DL, Hogan DA, Nadell CD†. (2021). Both Pseudomonas aeruginosa and Candida albicans accumulate greater biomass in dual-species biofilm under flow. mSphere 6(3): e00416-21
Kowalski CH, Morelli KA, Stajich JE, Nadell CD, Cramer RA (2021). A heterogeneously expressed gene family modulates the biofilm architecture and hypoxic growth of Aspergillus fumigatus. mBio 12(1): e03579-20