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Jürgen Strassert

@strassert.bsky.social
195 followers 137 following 16 posts

interested in microbial eukaryotes; #protists #chytrids www.tu.berlin/en/umbio/research/wor…

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Reposted by Jürgen Strassert
Evgenii Protasov @evgenii-protasov.bsky.social · 18/09/2026
When genus deserves to be a family 🦠🔬 Recent phylogenomic analyses showed that the genus Methanobrevibacter is severely underclassified. We propose reclassifying it into a family, Methanobrevibacteraceae consisting of 11 genera. @microbiologysociety.org #MicroSky #Archaea doi.org/10.1099/ijse...
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Rowan Hooper @rowhoop.bsky.social · 07/08/2026
Independent evolutionary events led to the emergence of bacteria and archaea from LUCA - fascinating new paper from Bill Martin’s group www.science.org/doi/10.1126/...
science.org
Intermediate stages in the origin of metabolism at a phosphorylating hydrothermal vent
Enzymatic metabolism emerged from metal-catalyzed, aqueous reactions of H2, CO2, NH3 and phosphite at a hydrothermal vent.
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Evgenii Protasov @evgenii-protasov.bsky.social · 16/08/2026
A novel jakobid genus from the soil of an indoor plant #microbiology #protists #eukaryotes #ProtistsOnSky www.sciencedirect.com/science/arti...
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American Society for Cell Biology @ascbiology.bsky.social · 24/07/2026
From MBoC A new localization atlas maps more than 600 Giardia proteins, revealing the locations of hundreds of previously uncharacterized proteins and creating a valuable resource for functional discovery. www.molbiolcell.org/doi/10.1091/mbc…
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ehehenberger.bsky.social @ehehenberger.bsky.social · 15/07/2026
Plastid endosymbiosis without gene transfer - dinoflagellates can do it #ProtistsOnSky #Kareniaceae #plastids
academic.oup.com
Recent plastid replacement in Karlodinium ballantinum (Kareniaceae, Dinoflagellata) challenges the paradigms of endosymbiotic gene transfer
Abstract. Plastids, the photosynthetic organelles of eukaryotes, arose via endosymbiosis of cyanobacteria by a eukaryotic host and were subsequently spread
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Fabien Burki @fburki.bsky.social · 28/07/2026
Nice :-)
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Varsha Mathur @varshamathur.bsky.social · 21/07/2026
So happy to share our new paper out now in @natmicrobiol.nature.com! We establish Pirsonia-Coscinodiscus as a model pathosystem and uncover how this tiny parasite infects and kills bloom-forming marine diatoms 🌊🦠 rdcu.be/fuQyF
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New Phytologist @newphyt.bsky.social · 10/07/2026
The evolutionary origins of #streptophyte multicellularity #TansleyReview by Tatyana Darienko, et al. nph.onlinelibrary.wiley.com/doi/10.1111/... @jandevries.bsky.social @caeciliafkunz.bsky.social Summary also available in German. #PlantScience
The phylogeny of streptophytes and the deep origin of branching filamentous growth.
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Kenneth Dumack @dumack.bsky.social · 08/07/2026
Check out this stunning public outreach video by the German YouTube channel Kurzgesagt (in English). It covers predator–prey interactions involving #protists. Very happy to have contributed - the visuals are out of this world! #protistsonsky www.youtube.com/watch?v=Xf-u...
youtube.com
What’s It Like to Be Killed by Nature’s Most Brutal Predator
YouTube video by Kurzgesagt – In a Nutshell
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Jürgen Strassert @strassert.bsky.social · 08/07/2026
New preprint: We studied the population dynamics of Arctic #phytoplankton and #mycoplankton and found evidence for chytrid-mediated diatom bloom termination. www.biorxiv.org/content/10.6... Congrats @paulinethome.bsky.social #protists #protistsonsky #algae #diatoms #chytrids
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ISEP @isepprotists.bsky.social · 02/07/2026
New #ISEPpapers #PrePrint! Single cell #genomics and fluorescence microscopy suggest a permanent plastid in a marine centrohelid www.biorxiv.org/content/10.6... #Protists #Algae #Microbes #Symbiosis #Evolution #Plastids
two simplified evolutionary trees of microbes
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Veeloxxy Bites @the-episiarch.bsky.social · 15/05/2026
Pop Goes the Water Bear: I've written a post about Sorochytrium milnesiophthora - a chytrid fungus that infects tardigrades, and how their water bear-slaying might actually be helping other microscopic animals that live on the surface of lichens. 🧪 dailyparasite.blogspot.com/2026/05/soro...
dailyparasite.blogspot.com
<i>Sorochytrium milnesiophthora</i>
Tardigrades (also known as "water bears") have built up a reputation for being pretty much invulnerable  (even though Bdelloid rotifers does...
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Ben Larson @blarson.bsky.social · 19/05/2026
And now it's out! Happy that PNAS selected for the cover this SEM image snapped by @samjlord.bsky.social, one of the most evocative visualizations of Euplotes that I have ever encountered. www.pnas.org/doi/10.1073/... Stay tuned for what is shaping up to be some fascinating follow-up in the lab...
Scanning electron microscopy image of the ciliate Euplotes gigatrox on the cover of the journal PNAS. Distinct punk rock vibes
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Fabien Burki @fburki.bsky.social · 26/05/2026
If you want to read a cool story today, look no further: A billion-year-old bacterial machinery replicates plastid DNA and supports kleptoplastidy #protistsonsky www.biorxiv.org/content/10.6...
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Megan Sorensen @messorensen.bsky.social · 30/04/2026
Interested in working on the evolution of photosynthetic endosymbioses? Come join us! I have 2 open positions in my new group @cemess.bsky.social in Vienna 3yr postdoc info: tinyurl.com/4emkjpn4 4yr PhD info: tinyurl.com/mtxmsjpy Apply by 1st June! Please share/repost #Protists #Symbiosis #PhD
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socialprotist.bsky.social @socialprotist.bsky.social · 01/05/2026
My lab is currently looking for a postdoc interested in phylogenomics to work with our group on PhyloFisher. Please reach out if you or anyone you know is interested. evol.mcmaster.ca/brian/evoldi...
evol.mcmaster.ca
https://evol.mcmaster.ca/brian/evoldir/PostDocs//MississippiStateU.Phylogenomics
Postdoctoral Research Associate in Phylogenomics https://explore.msujobs.msstate.edu/cw/en-us/job/510010 The Brown Lab at Mississippi State University invites applications for a Postdoctoral Researc...
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Andrew Roger @andrewjroger.bsky.social · 06/05/2026
IQ-TREE 3: Phylogenomic Inference Software using Complex Evolutionary Models academic.oup.com/mbe/article/...
academic.oup.com
IQ-TREE 3: Phylogenomic Inference Software using Complex Evolutionary Models
Abstract. IQ-TREE (https://iqtree.github.io/) is a widely used open-source software tool for efficiently inferring phylogenetic trees under maximum likelih
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Anna Karnkowska @ankarn.bsky.social · 20/04/2026
Really excited to share our new paper from @ibe-warszawa.bsky.social protist team! 🎉 We dive into protist symbioses and show how these interactions shape ecosystems and have played a key role in the evolution of eukaryotes 🦠
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Kenneth Dumack @dumack.bsky.social · 22/04/2026
🌊 Exciting #PhDPosition in #PlanktonEcology at the University of Koblenz, Germany! Work on marine protists with a mix of 🔬 wet lab and 💻 bioinformatics in a 3-year, 60% position. 📅 Apply by 20 May 2026 Please repost/share 🙌 Link: tinyurl.com/yu27knau #Protists #MicrobialEcology #PhD #Ecology
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Max Planck Institute for Marine Microbiology @mpimarinemicrobio.bsky.social · 13/04/2026
An ocean-wide partnership: How #diatoms use a sulfated #polysaccharide to keep #bacteria close & friendly. mpi-bremen.de/en/How-diato... Out now #Microbiome by J. Krull @chandnisidhu.bsky.social J.-H. Hehemann C. J. Crawford et al. @marumunibremen.bsky.social @unibremen.bsky.social (C) M. Reich
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Luciana Santoferrara @lusantof.bsky.social · 27/03/2026
Our new article on #protist global distributions combining the #Mixoplankton and #metaPR2 databases with newly revised functional annotations. rdcu.be/fanlx
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MAdLand @watertoland.bsky.social · 26/03/2026
📣 Job opportunity: ERC-funded position as a Five-Year Postdoctoral Researcher (all genders welcome) in @jandevries.bsky.social lab in Göttingen, Germany. Find more info here: www.uni-goettingen.de/de/644546.ht... #plantsci
uni-goettingen.de
Stellenanzeigen - Georg-August-Universität Göttingen
Webseiten der Georg-August-Universität Göttingen
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Andrew Roger @andrewjroger.bsky.social · 18/03/2026
So you are using IQ-TREE to estimate a tree for "deep time" phylogenetics using amino acid alignments. There is a lot of confusion about how to test model fit. Here are some suggestions.
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Anthony M. Bonacolta @ambonacolta.bsky.social · 24/03/2026
Single-cell transcriptomics reveals a new marine parasite: Characterization and distribution of Rozellomyces from the Gulf of Alaska ⛴️🔬🌊 Congrats Adarsh and all co-authors: @protistwtmostest.bsky.social, Gordon, @pjkeelinglab.bsky.social, and Naomi! #ProtistsOnSky
tandfonline.com
Single-cell transcriptomics reveals a new marine parasite: Characterization and distribution of Rozellomyces from the Gulf of Alaska
Parasitic microorganisms play critical roles in shaping aquatic ecosystems, yet many lineages, such as those within the phylum Rozellomycota, remain poorly understood. Here, we describe a new rozel...
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joeymaier 🌊 @joeymaier.bsky.social · 07/03/2026
Description of the new Marine fungus that kills harmful algae Full article: Algophthora mediterranea, gen. et sp. nov.: Novel dinoflagellate- and diatom-infecting generalist marine chytrid from the Mediterranean Sea share.google/VdemEElvkl7c...
share.google
Algophthora mediterranea, gen. et sp. nov.: Novel dinoflagellate- and diatom-infecting generalist marine chytrid from the Mediterranean Sea
This study describes a novel parasitic fungus that infects the benthic and epiphytic dinoflagellate Ostreopsis cf. ovata during a coastal microalgal bloom in the Mediterranean Sea. Microscopic obse...
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Thibaut Brunet @thibautbrunet.bsky.social · 28/02/2026
Final version @nature.com of our paper describing unconventional multicellular development in a choanoflagellate inhabiting an extreme environment. A ton of new data since the first @biorxivpreprint.bsky.social preprint (which we've kept updating). A brief 🧵 (carried over from the old place)
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Gaspar Jekely @jekely.biologists.social.ap.brid.gy · 24/02/2026
I am happy to share the unfinished but nevertheless fascinating autobiography of the late Thomas Cavalier-Smith, written in 2020, shortly before Tom passed away in 2021. I thank Ema Cavalier-Smith for sharing the text with me. I recently finished curating […] [Original post on biologists.social]
Tom Cavalier-Smith in Cornwall UK 23 August 2017, photo  by Neal C-S
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Andrew Roger @andrewjroger.bsky.social · 23/02/2026
Have a novel protist's genome or transcriptome and want to predict it's mitochondrial proteome? Look no further than CoMR, this handy bioinformatic workflow to help you: www.biorxiv.org/content/10.6... #phylogenetics
biorxiv.org
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Lukas Malfertheiner @lukasmalf.bsky.social · 16/01/2026
Closely related microbes tend to live in similar communities across Earth’s environments. We call this pattern community conservatism - extending established ecological patterns to the microbial world. 🧬🌍 #MicrobialEcology #Evolution Read the full article here: doi.org/10.1038/s415...
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Thijs J. G. Ettema 🦠🔬🇳🇱🇸🇪🇪🇺 @ettema.bsky.social · 05/01/2026
I have a postdoc position in metagenomic exploration available in my group. Candidates with documented experience in phylo & metagenomics and preferably with petabase-scale data mining and GLM workflows are encouraged to apply. Come join us! 🧬🦠💻 Please repost Apply here: www.wur.nl/en/vacancy/p...
wur.nl
Postdoctoral researcher Phylogenomics and metagenomics
Are you just as excited as we are about the fascinating world of microorganisms? Do you want to contribute to exploring and genomically characterize novel prokaryotic lineages? Do you have a PhD degre...
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Genome Biology and Evolution @genomebiolevol.bsky.social · 05/01/2026
Kulikov, @ikeririsarri.bsky.social @fonamental.bsky.social et al present a 529.6 Mb chromosome-scale genome for the redlip blenny (scaffold N50 = 23.7 Mb; BUSCO = 97.06%). Annotation identified 18,927 protein-coding genes. 🔗 doi.org/10.1093/gbe/evaf242 📸 Evan D’Alessandro #genome #evolution
GBE | The Chromosome-Scale Genome Assembly of the Redlip Blenny, Ophioblennius macclurei (Blenniidae)

The article by Kulikov et al. presents the chromosome-scale genome of the red lip blenny (Ophioblennius macclurei). This resource could help better understand the cryptic diversity and species boundaries within the genus. Photo by: Evan D’Alessandro.
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Fabien Burki @fburki.bsky.social · 18/12/2025
Just on time for the holidays! Happy to share the published version of the discovery of leptophytes, a new deep-branching and widespread group of microalgae based on plastid MAGs (ptMAGs). Now with additional support from a mitochondrial MAG (mtMAG) of leptophytes. www.nature.com/articles/s41...
nature.com
Identification of a deep-branching lineage of algae using environmental plastid genomes - Nature Communications
Here, the authors leverage data from the Tara Oceans expeditions to perform a phylogeny-guided plastid genome-resolved metagenomic survey and provide 660 non-redundant plastid genomes from marine alga...
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Arcadia Science @arcadiascience.com · 29/12/2025
A free, open-access library of high-quality organism illustrations for science communication
doi.org
A free, open-access library of high-quality organism illustrations for science communication
We create vector graphics of model organisms and emerging biological research organisms to enhance our publications. We’re sharing these editable graphics under a CC0 license for other scientists to...
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Miguel Méndez Sandín @sandinmm.eurosky.social · 15/12/2025
New preprint out! Using ~75k environmental OTUs + 77 fossil calibrations, we reconstructed a Proterozoic timeline of eukaryote evolution. Our results show crown eukaryotes were already diversifying >1.6 Ga, long before the first undisputed fossils (~1.05 Ga). 🔗 DOI: www.biorxiv.org/content/10.6...
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Andrew Roger @andrewjroger.bsky.social · 09/12/2025
Those interested in performing maximum likelihood phylogenomic analysis on data sets made up of eukaryotic nuclear genes using site heterogeneous mixture models like C60, I suggest you use the ELM model in IQ-TREE instead of the LG model /1
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Luis Javier Galindo @luisjagago.bsky.social · 15/12/2025
Are you very busy but still want to learn what Aphelids are and why they are important to understand the evolution of Fungi? Then check out our “Quick guide” on Aphelids published in collaboration with @deemteam.bsky.social, Sergey and Guifré. #protistsonsky doi.org/10.1016/j.cu...
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Charles University, Faculty of Science @sciencecharles.bsky.social · 19/11/2025
✨ A study in nature.com from our Faculty at @unikarlova.cuni.cz reveals Solarion arienae, a rare #protist forming a newly identified eukaryotic supersroup Disparia. A unique window into early #eukaryotic cell #evolution. 🌍🔬👏 www.nature.com/articles/s41...
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Fabien Burki @fburki.bsky.social · 12/11/2025
We are looking for a PhD student to work on an exciting plastid endosymbiosis in microbial eukaryotes. This position involves sampling, exciting microscopy such as CARDFISH, ExM and FIBSEM, single-cell transcriptomics and more. #protistsonsky 1/2
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Dr. Melanie Bergmann @melaniebergma18.bsky.social · 17/11/2025
New study shows that oil spills increase the sinking rate of (large) #microplastics, which might partially explain why we find buoyant polymers in deep-sea sediments. #plastic www.sciencedirect.com/science/arti...
sciencedirect.com
Prediction of microplastic transport in oil-contaminated waters
Microplastics (MPs) are pervasive in marine environments and pose potential risks to marine ecosystems. MPs can transport from the surface to the deep…
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🧬Jacob L Steenwyk @jlsteenwyk.bsky.social · 13/11/2025
NEW pub in @science.org 🥳 Is it sponges (panels A & B) or comb jellies (C & D) that root the animal tree of life? For over 15 years, #phylogenomic studies have been divided. We provide new evidence suggesting that... 🔗: www.science.org/doi/10.1126/...
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Jürgen Strassert @strassert.bsky.social · 17/11/2025
PhD position available at TU Berlin, Dept. of Environmental Microbiomics: Fate of mineral-associated organic matter during transition from terrestrial to aquatic systems stellenticket.tu-berlin.de/en/job-offer...
stellenticket.tu-berlin.de
"Research Assistant - 0.75 working time - salary grade 13 TV-L Berliner Hochschulen -" at "Technische Universität Berlin" – Job offers – Stellenticket Technische Universität Berlin
under the reserve that funds are granted
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Fabien Burki @fburki.bsky.social · 30/10/2025
Phylogenomic analysis of deep-branching telonemid #protistsonsky academic.oup.com/gbe/advance-...
academic.oup.com
Phylogenomic analysis of deep-branching telonemid
Abstract. The evolutionary history of eukaryotic supergroups has been investigated primarily by large-scale phylogenomics, but one major hindrance to conti
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Svetlana Dodonova @dodonova-sveta.bsky.social · 28/10/2025
Lab’s first paper is out!! We show the first structures of #Asgard #chromatin by #cryo-EM 🧬❄️ Asgard histones form closed and open hypernucleosomes. Closed are conserved across #Archaea, while open resemble eukaryotic H3–H4 octasomes and are Asgard-specific. More here: www.cell.com/molecular-ce...
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Daniel Vaulot @daniel-vaulot.bsky.social · 28/10/2025
New version of PR2 that now includes the eKOI coi database recently published.
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Cameron Thrash @jcamthrash.bsky.social · 24/10/2025
Polyploidization in diatoms accelerates adaptation to warming www.nature.com/articles/s41... #jcampubs 🌊
nature.com
Polyploidization in diatoms accelerates adaptation to warming - Nature Climate Change
The authors obtained large-volume individuals of diatom cultures under thermal stress. These polyploids (having more than two sets of chromosomes) are shown to rapidly adapt to high temperatures, high...
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Max Planck Institute for Marine Microbiology @mpimarinemicrobio.bsky.social · 20/10/2025
🚨 We’re hiring! 🚨 @bruzos.bsky.social lab is seeking a highly motivated #PostDoc & a #PhD student to investigate the marine transmissible cancers. 🧬🌊 #sciencejobs #jobalert #researchjob #cancer #marinescience #symbiosis #bioinformatics #MaxPlanck
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Cameron Thrash @jcamthrash.bsky.social · 21/10/2025
Declining ocean greenness and phytoplankton blooms in low to mid-latitudes under a warming climate www.science.org/doi/full/10.... #jcampubs 🌊
science.org
Declining ocean greenness and phytoplankton blooms in low to mid-latitudes under a warming climate
Chlorophyll a is declining in low- to mid-latitude oceans, indicating reduced ocean productivity and fewer phytoplankton blooms.
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jandevries.bsky.social @jandevries.bsky.social · 21/10/2025
Only two days left to apply for the open tenure track professorship in Computational Biology here in @uni-goettingen.de uni-goettingen.de/en/700631.html
uni-goettingen.de
W2-TT-W3 Computational Biology - Georg-August-University Göttingen
Website of the Georg-August-University Göttingen
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Luciana Santoferrara @lusantof.bsky.social · 14/10/2025
We have a Tenure-Track Assistant Professor position in Microbiology available! Come and join great students and colleagues at Hofstra Biology. Please apply using the link below and/or spread the word! hofstra.peopleadmin.com/postings/6542
hofstra.peopleadmin.com
Assistant Professor of Microbiology
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Anna Karnkowska @ankarn.bsky.social · 14/10/2025
Excited to share our new work on nanopore metabarcoding — showing how it can be used for protists and combined with short reads! Led by my PhD student Małgorzata Chwalińska, with our team at @ibe-warszawa.bsky.social and @fabnot.bsky.social & Sarah Romac at @sbroscoff.bsky.social #ProtistsOnSky
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