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Exploring Spatial Segregation Induced by Competition Avoidance as Driving Mechanism for Emergent Coexistence in Microbial Communities

Mattia MatteiAlex Arenas
Jan 2024
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摘要原文
This study investigates the role of spatial segregation, prompted by competition avoidance, as a key mechanism for emergent coexistence within microbial communities. Recognizing these communities as complex adaptive systems, we challenge the sufficiency of pairwise interaction models and consider the impact of spatial dynamics. We developed an individual-based spatial simulation depicting bacterial movement through a pattern of random walks influenced by competition avoidance, leading to the formation of spatially segregated clusters. This model was integrated with a Lotka-Volterra metapopulation framework focused on competitive interactions. Our findings reveal that spatial segregation alone can lead to emergent coexistence in microbial communities, offering a new perspective on the formation of stable, coexisting microbe clusters that differ significantly from their behavior in isolated pairwise interactions. This study underscores the importance of considering spatial factors in understanding the dynamics of microbial ecosystems.
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