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The developmental model of microbial biofilms: ten years of a paradigm up for review
Abstract
For the past ten years, the developmental model of microbial biofilm formation has served as the major conceptual framework for biofilm research; however, the paradigmatic value of this model has begun to be challenged by the research community. Here, we critically evaluate recent data to determine whether biofilm formation satisfies the criteria requisite of a developmental system. We contend that the developmental model of biofilm formation must be approached as a model in need of further validation, rather than utilized as a platform on which to base empirical research and scientific inference. With this in mind, we explore the experimental approaches required to further our understanding of the biofilm phenotype, highlighting evolutionary and ecological approaches as a natural complement to rigorous mechanistic studies into the causal basis of biofilm formation. Finally, we discuss a second model of biofilm formation that serves as a counterpoint to our discussion of the developmental model. Our hope is that this article will provide a platform for discussion about the conceptual underpinnings of biofilm formation and the impact of such frameworks on shaping the questions we ask, and the answers we uncover, during our research into these microbial communities.
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“This abrupt environmental shift can lead to bacterial stress, reduced viability, or even cell death.80”
From SEMTWIST Quantification of Biofilm Infection in Human Chronic Wound Using Scanning Electron Microscopy and Machine Learning (2025) · cites this paper as [80]
In the citing paper
“When exposed to aerobic environments on nutrient-rich agar plates, these bacteria may undergo a rapid transition from anaerobic to aerobic conditions.12,80”
From SEMTWIST Quantification of Biofilm Infection in Human Chronic Wound Using Scanning Electron Microscopy and Machine Learning (2025) · cites this paper as [80]
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A component of innate immunity prevents bacterial biofilm development
Singh, P. K., Parsek, M. R., Greenberg, E. P., & Welsh, M. J. (2002) · Nature · doi:10.1038/417552a · Cited by 1,026
Cyclic Dimeric GMP Signaling and Regulation of Surface-Associated Developmental Programs
Yildiz, F. H. (2008) · Journal of Bacteriology · doi:10.1128/jb.01852-07 · Cited by 24
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Metadata
- Authors
- Monds, R. D., & O’Toole, G. A.
- Venue
- Trends in Microbiology
- Publisher
- Elsevier BV
- Published
- 2009-02
- Volume
- 17
- Issue
- 2
- Pages
- 73-87
- ISSN
- 0966-842X
- Cited by
- 532
- References
- 3
- Language
- en
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