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Newly Discovered Ciliate Reveals Secrets of Ancient Evolution

11/26/2025

Summary

Story summary

Researchers identified Solarion arienae in Croatian marine ciliates after years of being overlooked in laboratory cultures.
Its mitochondria retain genetic material from an ancient bacterium, supporting the endosymbiont theory.
Ivan Cepicka and Marek Valt from Charles University describe Solarion arienae as offering insights into ancient cellular evolution.
The findings were published in Nature, underscoring unexplored microbial diversity and implications for understanding eukaryotic evolution.

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Story summary

Researchers identified Solarion arienae in Croatian marine ciliates after years of being overlooked in laboratory cultures.
Its mitochondria retain genetic material from an ancient bacterium, supporting the endosymbiont theory.
Ivan Cepicka and Marek Valt from Charles University describe Solarion arienae as offering insights into ancient cellular evolution.
The findings were published in Nature, underscoring unexplored microbial diversity and implications for understanding eukaryotic evolution.