Publications by authors named "Soizic Cheminant-Navarro"

Article Synopsis
  • Microalgae play a crucial role in Earth's photosynthetic activity, accounting for about half of it, yet our understanding of their biology is still limited due to their vast diversity and evolutionary complexity.
  • Advances in genomics and ecosystem biology have enhanced our insights into microalgae, particularly focusing on photosynthesis, light perception, and chloroplast development in species like Chlamydomonas reinhardtii and marine diatoms.
  • To fully grasp the ecology and impact of microalgae, it's important to integrate laboratory research with field studies and foster collaboration across scientific disciplines.
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Periodic light-dark cycles govern the timing of basic biological processes in organisms inhabiting land as well as the sea, where life evolved. Although prominent marine phytoplanktonic organisms such as diatoms show robust diel rhythms, the mechanisms regulating these processes are still obscure. By characterizing a bHLH-PAS nuclear protein, hereby named RITMO1, we shed light on the regulation of the daily life of diatoms.

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Background: Marine diatoms constitute a major component of eukaryotic phytoplankton and stand at the crossroads of several evolutionary lineages. These microalgae possess peculiar genomic features and novel combinations of genes acquired from bacterial, animal and plant ancestors. Furthermore, they display both DNA methylation and gene silencing activities.

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