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#Microalgae

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Happy to share my latest preprint: "Using network component analysis to study axenisation strategies for phototrophic eukaryotic microalgae"

(DOI: dx.doi.org/10.1101/2025.03.07.).

We revisited all publications in the last century focusing on the axenisation of microalgae, and used Network Component Analysis to understand how workflows can be (re-)desgined to remove contaminating microbes from microalgal cultures.

#preprint #microalgae @academicchatter @academia

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."

#Phytochromes: The 'eyes' that enable #microalgae to find their way in aquatic depths phys.org/news/2024-12-phytochr

#Diatom phytochromes integrate the underwater light spectrum to sense depth: Carole Duchêne et al. nature.com/articles/s41586-024

"These photoreceptors enable them to detect changes in the light spectrum in the water column, thereby providing information regarding their vertical position within it."

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"

Just to inform you that a new version of diat.barcode (gathering more than 1000 new rbcl sequences from NCBI). We also added/curated bio and ecological traits for many taxa.
doi.org/10.15454/TOMBYZ
version v12.4 here:
entrepot.recherche.data.gouv.f
Ready to use database for DADA2:
doi.org/10.57745/XWJJGI

PS : in case you find a bug, please tell me !
#metabarcoding #diatom #eDna #omics #nature #algae #microalgae #pollution #DADA2