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Distribution-driven disturbance of a molecular community: a theoretical framework

Ramirez, G. A.; Mel, G. C.

2024-03-12 microbiology
10.1101/2024.03.11.584481 bioRxiv
Show abstract

An important and understudied area in microbial ecology concerns the very large number of very rare species within an environment. Study of such species based on non-specific sequencing of environmental samples is practically difficult simply due to their rarity. A previous report demonstrated that pretreating samples with the photoactive dye PMA before subsequent PCR and sequencing can increase sensitivity to rare species. Here we propose a mathematical model based on equilibrium chemical thermodynamics that explains this effect and suggests a simple quantitative experiment.

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