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🛠️💉It's time for engineering contractile injection systems! @chipericson.bsky.social & @davidschaumann.bsky.social introduce programmable CIS - PROCIS, combining tail length control, non-native cargo loading, and cell retargeting all in one system! www.biorxiv.org/content/10.6... 🧵 1/5
12d
Pilhofer Lab 🦠❄️🔬
How do “LEGO-like” electron-bifurcating modules combine to drive degradation in BTEX-contaminated ecosystems? Check out our latest preprint, where we use cryo-EM and cryo-ET to reveal how the 1 MDa BCRII complex powers extremely endergonic aromatic ring reduction. www.biorxiv.org/content/10.6...
Photosynthetic bacteria helped shape Planet Earth. Among them cyanobacteria—microbes that produced the oxygen in Earth’s atmosphere & made complex life possible. They have captivated scientists for decades by offering insights into how life evolved from single cells into multicellular organisms.
2mo
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1mo
Cyanobacteria are an ancient clade of phototrophic prokaryotes. But out of all the cyanobacteria available, why did Synechocystis sp. PCC 6803 become the default laboratory model? This #JBacteriology review offers insights: asm.social/2TD
1mo
One of biggest mysteries in biology: how did complex eukaryotic cells evolve from simple microbes? ~1.8 billion years ago, an archaeal cell likely merged with a bacterium to form the first eukaryotic cell, but can we ever find direct evidence of this transformative event? 🦠 🚶‍♂️
2mo
Big news for correlative cryogenic SMLM/ET! With my colleague Soheil, we (Mahamid and @jonasries.bsky.social labs) indicate lamella-specific illumination can allow 500-1500x higher laser intensities, opening massive new possibilities for correlative imaging #teamtomo www.biorxiv.org/content/10.6...
We're super excited to share MissAlignment: a new ML-based approach to reference-free tilt series alignment, spearheaded by @martenchaillet.bsky.social. We think it's going to make your cryo-ET life a lot better. Preprint: www.biorxiv.org/content/10.6... Code: github.com/warpem/miss-... 🧶 Thread:
1/ Excited to share our preprint! 🥳 Degradation of aromatic compounds, including BTEX pollutants, requires highly endergonic aromatic ring reduction. Using #cryoEM and in situ #cryoET, we show how BCRII couples electron bifurcation modules in one giant redox machine www.biorxiv.org/content/10.6...
The cartwheel was first visualized ~70 years ago in the symbiont Trichonympha in the wood termite gut. We’ve discovered the cartwheel’s secret: a unique zigzag stacking of SAS-6 tetramers that facilitates the iconic 9-fold symmetry of cilia. #cellbiology #teamtomo #SAS6 #cartwheel
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Anuj
Institute of Science and Technology Austria (ISTA)
ASM
Debnath Ghosal
joe dobbs
Tomas Pascoa
Bui Lab @McGill
Dimitry Tegunov
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