I'm a scientist studying and engineering CO2 assimilation in plants, algae, chloroplasts, and pyrenoids!
https://jonikaslab.princeton.edu/
Martin Jonikas
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Pyrenoid tubules are essential for supercharging CO₂ fixation, but they're hard to resolve by microscopy. So, we physically expanded cells to see where different proteins go (3 examples below). The central tubule region appears specialized for CO₂ delivery!
www.biorxiv.org/content/10.6...
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The algal pyrenoid fixes ~1/3 of global carbon, relying on a unique membrane-within-condensate architecture. How is this architecture built? We discovered that the protein MITH1 draws membranes into the pyrenoid condensate by promoting wetting! 🌿💧
www.biorxiv.org/content/10.6...
Congratulations to Sabrina Ergun, Claire Dignazio, Jonathan Bouvette, Haoyu Wu, Eric Franklin, and Claire McWhite!
Now published @natcellbio.nature.com!
Kinase KEY1 controls pyrenoid condensate size throughout the cell cycle by disrupting phase separation interactions
www.nature.com/articles/s41...
