Publications by authors named "Marie-Charlotte Cheutin"

Quantifying fish species diversity in rich tropical marine environments remains challenging. Environmental DNA (eDNA) metabarcoding is a promising tool to face this challenge through the filtering, amplification, and sequencing of DNA traces from water samples. However, because eDNA concentration is low in marine environments, the reliability of eDNA to detect species diversity can be limited.

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Article Synopsis
  • Coral reefs are increasingly being replaced by macroalgae due to climate change, altering the ecosystem dynamics.
  • A study analyzing gut bacteria in 99 fish across 36 species in Seychelles found that while fish gut diversity remained unchanged, the composition of bacteria varied significantly, especially in herbivorous fish.
  • The shift to macroalgae led to an increase in fermentative bacteria, suggesting that these ecosystem changes could impact overall reef health and function through microbial processes.
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