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#microalgae

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How Does Life Happen When There’s Barely Any Light? quantamagazine.org/how-does-li

Photosynthetic light requirement near the theoretical minimum detected in Arctic #microalgae: Clara Hoppe et al. nature.com/articles/s41467-024

"Under the sea ice during the #Arctic’s pitch-black polar night, #algae power #photosynthesis on the lowest light levels ever observed in nature."

The #Roscoff Culture Collection 🇨🇵 of #marine #microorganisms 🌊 🦠 is seeking a #postdoc to work on ex situ microbiome interactions (EU projects #MICROBE and #BlueRemediomics 🇪🇺).

One objective is to define synthetic #microbiomes to promote the growth of selected #microeukaryotes (#microalgae, saprotrophs) and for optimal production of #metabolites of interest.

roscoff-culture-collection.org
microbeproject.eu
blueremediomics.eu
#protists #microbiology #job #bretagne #france

Photosynthesis in near darkness
awi.de/en/about-us/service/pre

Photosynthetic light requirement near the theoretical minimum detected in #Arctic #microalgae: Clara Hoppe et al. nature.com/articles/s41467-024

"The measurements were carried out as part of the #MOSAiCexpedition at 88° northern latitude... #algae can build up biomass through #photosynthesis as early as the end of March... the sun is barely above the horizon, so that it is still almost completely dark in their habitat under the snow and ice"

Very interesting story about the #nitroplast, a potential new organelle resulting from #symbiosis between nitrogen-fixing bacteria and the #microalgae *Braarudosphaera bigelowii* based on subcellular imaging and proteomic data.
Possibly a new model to study the evolutionary transition from #endosymbiont to organelle.
science.org/doi/10.1126/scienc

With a Perspective comment by Ramon Massana
science.org/doi/10.1126/scienc
#evolution #protists