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Rare taxa in the core microbiome.

Ditam Chakraborty1, Alexandre Jousset2, Zhong Wei2

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Rare taxa are vital for microbiome biodiversity. This opinion article defines core rare taxa and explores factors influencing their persistence, highlighting their importance for conservation and microbiome engineering.

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Area of Science:

  • Microbiome research
  • Ecology
  • Biodiversity studies

Background:

  • Rare taxa are key microbiome constituents influencing biodiversity and ecosystem dynamics.
  • Understanding core rare taxa and their ecological/genetic drivers remains limited.

Purpose of the Study:

  • To define and explore the role of core rare taxa.
  • To investigate ecological and genetic drivers of core rare taxa persistence.
  • To discuss innate and adaptive resilience in core rare taxa.

Main Methods:

  • This is an opinion article, synthesizing existing knowledge.
  • Conceptual framework development for core rare taxa.
  • Literature review and theoretical discussion.

Main Results:

  • Core rare taxa are defined as rare species consistently present in the core microbiome.
  • Ecological factors (e.g., niche availability) and genetic factors (e.g., adaptation) influence their distribution.
  • Innate and adaptive resilience mechanisms are proposed for core rare taxa.

Conclusions:

  • Quantifying core rare taxa and their functions is crucial.
  • Further research is needed to develop appropriate metrics.
  • Findings have implications for biodiversity conservation and microbiome engineering.