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Maria

@mmanich75.bsky.social
380 followers 315 following 11 posts

Research engineer I Entamoeba histolytica I Hydra vulgaris research.pasteur.fr/fr/member/maria…

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Reposted by Maria
Yamini Ravichandran @yamini-ravichan.bsky.social · 14/11/2025
Another season of Stranger things is releasing and we have another season of stranger things happening with Hydra @rouxlab.bsky.social #fluorescencefriday #postdoclife
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BIAUnit @biaunit.bsky.social · 23/06/2025
📌 Tracking cell dynamics just got smarter! We use Bayesian linking algorithms — KOFT and SKT — implemented in our ByoTrack 🐍 Python library. Kalman filters + optical flow for links & mitosis detection. [PDF] celltrackingchallenge.net #CellTracking #Python #KalmanFilter #OpticalFlow #OpenScience
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BIAUnit @biaunit.bsky.social · 17/06/2025
🚀 Manual mask annotation slowing you down? 💡 SAMJ is a new ImageJ/Fiji plugin using Segment Anything (SAM) for fast, interactive segmentation — no GPU needed, one-click install, real-time results. 🔬 Perfect for large biomedical images. arxiv.org/abs/2506.02783 #AI #Bioimaging #ImageJ #OpenSource
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ᴄʜᴀʀʟᴇʏ★ᴘɪʀᴏᴛʜ @charlespiroth.bsky.social · 07/06/2025
El Capitan, from Series: The United States, by Yoshida Hiroshi, 1925
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Centre de Regulació Genòmica (CRG) @crg.eu · 30/05/2025
Endinsa’t en una vivència sensorial única que connecta ciència i art immersiu. “SEEING: Un ull i una caixa” arriba del 5 al 14 de juny al Centre Cívic Convent de Sant Agustí (Carrer del Comerç 36, Barcelona). www.crg.eu/en/event/see...
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Léa Swistak @leaswistak.bsky.social · 26/05/2025
Diving “Google earth mode 🌍” in a Shigella infected cell 🔬🔎 Together with @m-albert.bsky.social
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BIAUnit @biaunit.bsky.social · 20/05/2025
🚨Paper alert! 🚀 We presented SINETRA at #ISBI2025 in Houston A new simulator for generating realistic 2D/3D neuron tracking data in moving animals like Hydra vulgaris 🧠 Helps test and improve tracking algorithms under tough conditions 📄 dx.doi.org/10.1109/ISBI... #celltracking #syntheticdata #ISBI
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Will Ratcliff @wcratcliff.bsky.social · 18/04/2025
Sign ups for the fall Barcelona multicellularity meeting are now up- come join us! meetings.embo.org/event/25-mul...
meetings.embo.org
Evolution and origins of multicellularity across the tree of life
The study of the origins and evolution of multicellularity in different lineages has recently captured the attention of many research groups and is fueling the generation of numerous innovative resea…
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Association of Postdoc at University of Geneva @apdu-unige.bsky.social · 14/04/2025
Two heads, toroid shape or a mix of both are the creatures that @yamini-ravichan.bsky.social was able to form inducing soft compression in Hydra. GFP-Lifeact in the regenerating tissue of Hydra #fluorescenceMonday #fluorescencemonday #fluorescencefriday #microscopy #hydra
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Roberto Toro @r3rt0.bsky.social · 09/04/2025
and with the uniform Laplacian we get a quite funny artefact! (most likely due to the straight cut from the midbrain, which has a few very large triangles)
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BIAUnit @biaunit.bsky.social · 31/03/2025
Exciting news! 🎉 We propose Spatiopath, a null-hypothesis framework for cell-cell & cell-tumor interactions that distinguishes statistically significant immune cell associations from random ones.📊🔬 Check it out:😊 www.nature.com/articles/s41... #statistics #immunology #oncology
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Jose Maldonado, PhD @josemald.bsky.social · 20/03/2025
Thank you to the team at @syGlass for highlighting some of our data. If you haven’t tried working with your data in VR space, you really need to see what you are missing. Syglass is a powerful tool for visualizing and analysis. @vubasicsciences.bsky.social #microscopy #lightsheet #science 🧪
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Emily Lines @emilyrlines.bsky.social · 07/03/2025
Our new paper and software tool PointsToWood is out! Led by Harry Owen and Targeted at high performance for small branches, PointsToWood performs #deeplearning enabled leaf-wood semantic segmentation of high resolution #TLS point clouds. 🌿 🌲 🌳 👇performance on unseen tropical data
Image shows leaf (black) wood (red) separation by PointsToWood on an unseen tropical forest dataset from Cameroon. Even though we only trained on European forest data, the diversity and high quality of our training dataset results in excellent performance in other biomes.
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Elizabeth Preston @inkfish.bsky.social · 17/03/2025
Today's newsletter is for people and cephalopods who don't know what to say: elizabethgpreston.substack.com/p/how-to-let... 🧪
elizabethgpreston.substack.com
How to Let Your Body Do the Talking
Instructions for those with up to eight arms.
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Santiago Gassó @sangasso.bsky.social · 17/03/2025
🧪🛰️ My colleague @simoncarn.bsky.social and I were consulted for this note by @avoiland.bsky.social to comment on volcanoes and clouds in the South Atlantic. A nice place to study aerosol-cloud interactions! (and other things of course) earthobservatory.nasa.gov/images/15404...
earthobservatory.nasa.gov
Swirling Skies and Melting Icebergs
The remote South Sandwich Islands can disrupt passing clouds in ways that shed alternating rows of cloud spirals.
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Médéric Gasquet-Cyrus @medericgc.bsky.social · 14/03/2025
Un peu arbitraire comme nom de rue mais il fallait que je vous fasse un signe.
Plaque de la rue De Saussure avec la moitié du visage de Médéric devant.
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 11/03/2025
Love pretty biology pix! Vote now.🧪
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Maria @mmanich75.bsky.social · 10/03/2025
www.nature.com/articles/d41...
nature.com
Daily briefing: The second X chromosome isn’t so silent after all
The US National Institutes of Health is terminating swathes of diversity- and climate-related grants. Plus, the second X chromosome in female cells might explain why women tend to be more resilient to...
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Christie Wilcox @nerdychristie.bsky.social · 04/03/2025
Genetically altered 'woolly mice' express several mammoth-like traits, including the animal's iconic coat. The cuteness, meanwhile, is a complete coincidence. That and more of the best in @science.org and science in this edition of #ScienceAdviser: www.science.org/content/arti... 🧪
A woolly mouse (left) next to an ordinary one. CREDIT: Colossal Biosciences
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Maria @mmanich75.bsky.social · 18/01/2025
#Hydravulgaris #GCaMP
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BIAUnit @biaunit.bsky.social · 13/01/2025
👉To classify the dynamic behaviors governing biological particles, we developed a neural network model based on geometric trajectory descriptors and a framework to robustly detect dynamic changes in compound trajectories. #simulation #activationpathwayofreceptorsCCR5 👉 hal.science/hal-04870375v1
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Maria @mmanich75.bsky.social · 21/11/2024
Hydra can inflate its floater and then be transported by the water currents
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Maria @mmanich75.bsky.social · 21/11/2024
A shrimp eaten by a hydra I Hydra vulgaris
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Maria @mmanich75.bsky.social · 21/11/2024
👉 E. histolytica adopts a fan-shape morphology on a Fibronectin substrate 🔬 journals.plos.org/plospathogen...
journals.plos.org
Fibronectin induces a transition from amoeboid to a fan morphology and modifies migration in Entamoeba histolytica
Author summary Even though we know increasingly well how cells move in tissues, the question of whether parasites modify their migration as a function of the host tissue environment requires further i...
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Maria @mmanich75.bsky.social · 21/11/2024
Spot detection @Icy_bioimaging
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Maria @mmanich75.bsky.social · 21/11/2024
3D view of macropinosomes I Entamoeba histolytica
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Maria @mmanich75.bsky.social · 21/11/2024
Better understand macropinocytosis of Entamoeba histolytica: Drink or Drive @Icy_BioImaging journals.plos.org/plospathogen...
journals.plos.org
PI Kinase-EhGEF2-EhRho5 axis contributes to LPA stimulated macropinocytosis in Entamoeba histolytica
Author summary Entamoeba histolytica is an enteric parasite in humans, which leads to various pathologies like dysentery, diarrhoea and abscess formation. Host cells are known to secrete chemokines an...
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Maria @mmanich75.bsky.social · 21/11/2024
Amoeba Warhol
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Maria @mmanich75.bsky.social · 21/11/2024
3D rendering of adhesive structures #actin #Entamoebahistolytica @Icy_BioImaging
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Maria @mmanich75.bsky.social · 21/11/2024
Bottom view of a 3D reconstruction of Entamoeba histolytica loaded on fibronectin, characterized by its fan shape with of a dorsal column of F-actin and numerous podosomes-like, and a broad cytoplasmic extension at the front. F-actin (red), nucleus (blue) & cytoplasm (green) #Icy
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