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Oleksandr Maistrenko

@omaistrenko.bsky.social
457 followers 555 following 37 posts

Genomics, symbiosis, evolution. MicroHealth consortium Ukrainian School in Evolutionary Biology Postdoc University of Amsterdam; NIOZ 🇳🇱; EMBL🇩🇪; North Dakota State University🇺🇲, Fulbright Program; Taras Shevchenko National University of Kyiv, Ukraine🇺🇦

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Reposted by Oleksandr Maistrenko
Wolfgang Huber @wkhuber.bsky.social · 03/10/2026
Today is a good day to donate to savelife.in.ua/en/
savelife.in.ua
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Reposted by Oleksandr Maistrenko
Florian Mayer @florianmayer.bsky.social · 11/09/2026
Excited to share our preprint on Ignicoccus cell divison: only the inner membrane divides, progeny cells accumulate in cell clusters and pop-out! www.biorxiv.org/content/10.6... Great work with the labs: @buzzbaum.bsky.social @curiousdina.bsky.social @anja1.bsky.social @tbharat-lab.bsky.social
biorxiv.org
The life cycle of an archaeon with multiple membranes
Many prokaryotes are diderms. They divide using an FtsZ division ring to simultaneously constrict physically coupled inner and outer membranes to form daughter cells with two membranes. Currently, onl...
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EMBL Events @events.embl.org · 07/09/2026
At the start of 2026, EMBL lost long-serving colleague and Interim Director General Peer Bork. Join us in commemorating Peer and his legacy at the #EMBLBorkMemorial. Submit your abstract by 10 November: s.embl.org/pbs27-01-bl
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bioRxiv Microbiology @biorxiv-microbiol.bsky.social · 29/07/2026
Planetary structure and drivers of diazotroph communities reveal key reservoirs of nitrogen-fixation potential www.biorxiv.org/content/10.64898/20…
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Bork Group at EMBL Heidelberg @borklab.bsky.social · 29/07/2026
New preprint from the lab! "Planetary structure and drivers of diazotroph communities reveal key reservoirs of nitrogen-fixation potential" Nitrogen fixation is scattered right across the prokaryotic tree — but it's heterotrophs, not cyanobacteria, that dominate the potential. 🧵
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Jonas Schiller @jonas-bio.bsky.social · 10/06/2026
Our new paper „Variations in the latitudinal diversity gradients of the ocean microbiome“ was just published in @cp-cellhostmicrobe.bsky.social 🥳 We present a global analysis of prokaryotic #biodiversity in the surface and mesopelagic layers of the ocean 🦠🌊 www.cell.com/cell-host-mi...
cell.com
Variations in the latitudinal diversity gradients of the ocean microbiome
Eriksson et al. conduct a global marine microbiome diversity analysis and demonstrate how the surface ocean latitudinal diversity gradient is disproportionately shaped by a few species-rich taxa. Mask...
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Reposted by Oleksandr Maistrenko
DrosEU @droseu.bsky.social · 01/06/2026
Save the date! The 17th DrosEU workshop will be held in České Budějovice on the 24th to 26th May 2027. Thanks to @janhreck.bsky.social for hosting us! #Drosophila #genomics
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The Symbiosis Courses Alumni Network @symbiosisalumni.bsky.social · 27/04/2026
Join us Wednesday, 29th April, at 4pm WEST (Lisbon time), for two Symbiosis Alumni Seminars by @omaistrenko.bsky.social and @pawley.bsky.social. Zoom link upon free registration at gimm.idloom.events/symbnet_semi... @symbnet.bsky.social, @moorefound.bsky.social, @mblscience.bsky.social, ECODIM
Poster for seminar by Oleksandr Maistrenko with title "Consequences of symbiosis on genome evolution in prokaryotes across different habitats"Poster for seminar by Jacob Pawley with title "Exploring foundations of animal host-microbe interactions in a freshwater sponge"
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Bailey Crowley @baileycrowley.bsky.social · 23/04/2026
Please join @symbiosisalumni.bsky.social during our next seminar with exciting talks by @pawley.bsky.social and @omaistrenko.bsky.social: 🗓️ April 29th 🕥 4pm WET 📍on zoom (PM for link) @symbnet.bsky.social @moorefound.bsky.social @mblscience.bsky.social ECODIM
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Oleksandr Maistrenko @omaistrenko.bsky.social · 09/04/2026
Online magazine Folia @foliacivitatis.bsky.social from University of Amsterdam wrote about our article in @natecoevo.nature.com www.nature.com/articles/s41... about Ukrainian School in Evolutionary Biology! www.folia.nl/wetenschap/1...
folia.nl
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Oleksandr Maistrenko @omaistrenko.bsky.social · 06/04/2026
There is a lot of undescribed prokaryotic diversity in existing whole-genome metagenomic data! www.nature.com/articles/s41...
nature.com
Unbinned contigs expand known diversity in the global microbiome - Nature Microbiology
Re-analysis of over 92,000 metagenomes reveals hundreds of thousands of previously undescribed Bacterial and Archaeal clades hidden in plain sight.
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Oleksandr Maistrenko @omaistrenko.bsky.social · 09/04/2026
Online magazine Folia @foliacivitatis.bsky.social from University of Amsterdam wrote about our article in @natecoevo.nature.com www.nature.com/articles/s41... about Ukrainian School in Evolutionary Biology! www.folia.nl/wetenschap/1...
folia.nl
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Oleksandr Maistrenko @omaistrenko.bsky.social · 06/04/2026
There is a lot of undescribed prokaryotic diversity in existing whole-genome metagenomic data! www.nature.com/articles/s41...
nature.com
Unbinned contigs expand known diversity in the global microbiome - Nature Microbiology
Re-analysis of over 92,000 metagenomes reveals hundreds of thousands of previously undescribed Bacterial and Archaeal clades hidden in plain sight.
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Sebastian Schmidt @tsbschm.bsky.social · 03/04/2026
Our work on 'hidden diversity' in unbinned contigs is now published in @natmicrobiol.nature.com : www.nature.com/articles/s41... See the linked threads for more details!
nature.com
Unbinned contigs expand known diversity in the global microbiome - Nature Microbiology
Re-analysis of over 92,000 metagenomes reveals hundreds of thousands of previously undescribed Bacterial and Archaeal clades hidden in plain sight.
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Ákos T Kovács @evolvedbiofilm.bsky.social · 31/03/2026
@omaistrenko.bsky.social on impact of agriculture on soil-plant microbiomes and human health #KNVM2026
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Oleksandr Maistrenko @omaistrenko.bsky.social · 09/02/2026
I invite you to check our paper entitled “Rebuilding Ukraine’s capacity for fundamental research in evolutionary biology” doi.org/10.1038/s415... in @natecoevo.nature.com about the Ukrainian School in Evolutionary Biology #USEB we organized in 2025. #biology #evolution #school #science #Ukraine
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Oleksandr Maistrenko @omaistrenko.bsky.social · 09/02/2026
I invite you to check our paper entitled “Rebuilding Ukraine’s capacity for fundamental research in evolutionary biology” doi.org/10.1038/s415... in @natecoevo.nature.com about the Ukrainian School in Evolutionary Biology #USEB we organized in 2025. #biology #evolution #school #science #Ukraine
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Bork Group at EMBL Heidelberg @borklab.bsky.social · 30/01/2026
It has been two weeks since the unexpected death of Peer Bork, and all of us in his research group are deeply missing him. His scientific vision brought us together as a team, and we are immensely grateful for the time we spent together. 🧵
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Sebastian Schmidt @tsbschm.bsky.social · 18/11/2025
The main story are estimates of 'discoverable' species, genera, ..., phyla (?) in unbinned metagenomic contigs that do are not captured by MAGs. How many lineages lurk in existing data, and which habitats are prime hotspots for the discovery of novel diversity? Original 🧵: bsky.app/profile/tsbs...
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Sebastian Schmidt @tsbschm.bsky.social · 18/11/2025
We've updated our recent @biorxivpreprint.bsky.social on 'Hidden but discoverable diversity in the global microbiome', led by @vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social www.biorxiv.org/content/10.1...
biorxiv.org
Hidden but discoverable diversity in the global microbiome
Cataloguing Earth's biodiversity remains one of the most formidable challenges in biology, and the greatest diversity is expected to reside among the smallest organisms: microbes. Yet the ongoing cens...
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Michael Kuhn @biocs.bsky.social · 06/11/2025
We're up to 1000 studies in metalog.embl.de ! For the past year the focus was on finding inconsistencies in the data and creating the website, but now I have more time to go through the backlog of annotated issues to do QC and load them into the database.
Metalog statistics, showing 1000 included studies
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Sebastian Schmidt @tsbschm.bsky.social · 31/10/2025
Great to see this finally published! Metalog: curated and harmonised contextual data for global metagenomics samples now out in @narjournal.bsky.social academic.oup.com/nar/advance-...
academic.oup.com
Metalog: curated and harmonised contextual data for global metagenomics samples
Abstract. Metagenomic sequencing enables the in-depth study of microbes and their functions in humans, animals, and the environment. While sequencing data
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DrosEU @droseu.bsky.social · 19/10/2025
To learn more about #DrosEU visit droseu.net and join us!! DrosEU has been funded by a @eseb.bsky.social Special Topic Network (7/7)
droseu.net
DrosEU – European Drosophila Population Genomics Consortium
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DrosEU @droseu.bsky.social · 19/10/2025
Phenotypic divergence among European populations was assayed in 173 isofemale lines, spearheaded by Esra Durmaz Mitchell and Thomas Flatt, we show that populations differed markedly in multivariate trait structure @evolletters.bsky.social @eseb.bsky.social academic.oup.com/evlett/artic... (5/7)
academic.oup.com
Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster
Abstract. A particularly well-studied evolutionary model is the vinegar fly Drosophila melanogaster, a cosmopolitan insect of ancestral southern-central Af
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DrosEU @droseu.bsky.social · 19/10/2025
We are in Bluesky and we are happy to share our two last consortium publications: the DrosEU expanded DEST dataset and a Continent-wide study of phenotypic differentiation among European #Drosophila melanogaster populations (1/7)
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Molecular Biology and Evolution @molbioevol.bsky.social · 08/09/2025
Huang, @tweethinking.bsky.social, Sepang et al. use phylogenetic analyses to reveal that the Njordarchaeales and Panguiarchaeales constitute the new class Njordarchaeia within Asgard archaea. 🔗 doi.org/10.1093/molbev/msaf201 #evobio #molbio #archaea
doi.org
Phylogenomic Analyses Reveal that Panguiarchaeum Is a Clade of Genome-Reduced Asgard Archaea Within the Njordarchaeia
Abstract. The Asgard archaea are a diverse archaeal phylum important for our understanding of cellular evolution because they include the lineage that gave
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Vlad Bondarenko @vladbndk.bsky.social · 05/09/2025
📣 It is my pleasure to announce our recent review with Margherita on the current approaches, challenges, and perspectives in studying human maternal-fetal interface using in vitro models www.cell.com/cell-stem-ce... 🚀✨️
cell.com
Modeling the human maternal-fetal interface
This review explores the advances in stem cell and organoid models of the endometrium, placenta, and embryo, outlining challenges in integrating them to capture spatiotemporal dynamics and functional ...
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Oleksandr Maistrenko @omaistrenko.bsky.social · 19/08/2025
A great talk by Svitlana Serga about cytopIasmic incompatibility caused by #Wolbachia in the pest fly #Drosophila suzukii. CBGP, INRAE, France and Karazin Kharkiv National University, Ukraine. #ESEB2025
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UNITED24 Media @united24media.com · 19/08/2025
⚡ Russian forces launched another attack against Ukraine. 270 drones and 10 missiles were deployed. Administrative buildings of energy sector enterprises were damaged. No casualties were reported, according to local authorities.
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Oleksandr Maistrenko @omaistrenko.bsky.social · 17/08/2025
I will be at the #ESEB2025 conference! Text me if interested to meet or catchup:) My poster is on Thursday about one of my hobby-projects about evolvability. Poster number is P03.284.
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Michael Kuhn @biocs.bsky.social · 15/08/2025
We're very happy to release our new database Metalog metalog.embl.de ! It offers manually curated and harmonised contextual data for 110k metagenomics samples across the globe, incl. precomputed taxonomic profiles, for interactive browsing and for download 🧵 1/7 #microsky
metalog.embl.de
Metalog
Metalog is a repository of manually annotated metadata (or contextual data) for metagenomic sequencing data from across the globe.
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Evolution Letters @evolletters.bsky.social · 11/08/2025
Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster doi.org/10.1093/evle... Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al. Drosophila melanogaster
A photo of Drosophila melanogaster on a leaf.
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Oleksandr Maistrenko @omaistrenko.bsky.social · 30/06/2025
Our preprint on estimating how many more prokaryotic taxa can be discovered in the unbinned fraction of metagenomic samples. We predict that there are 10 archaeal and 145 bacterial novel phyla across all habitats. #MicrobialDarkMatter #TreeOfLife #Microbiome #Archaea #Bacteria #Metagenomics
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Sebastian Schmidt @tsbschm.bsky.social · 27/06/2025
The team's first preprint is out! Led by ‪ ‪@vishnuprasoodanan.bsky.social‬‬ & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data? A 🧵.
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EvolDir @evoldir.bsky.social · 04/04/2025
Join the EEBG 2025 Bioinformatics Workshop from July 7-12, 2025, in Kraków, Poland. Open to students and professionals; apply before May 12, 2025. Details at: oakland.edu/biology/directory/oleks… #workshop
oakland.edu
Taras K Oleksyk - Biological Sciences - Oakland University
Taras K Oleksyk - Biological Sciences - Oakland University
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Igor Iatsenko @iatsenkolab.bsky.social · 04/04/2025
Happy to share our latest minireview on Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity journals.asm.org/doi/10.1128/... #immunity #infection #antimicrobialpeptides #microbiome #Drosophila #AcademicSky #insect #endosymbiont #symbiosis
journals.asm.org
Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity
Occupying the interface between host and environment, host-associated microbes play essential roles in interactions with pathogens and influence disease progression (1–4). Considering that most entry ...
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Luis Teixeira @lmvteixeira.bsky.social · 17/03/2025
SymbNET PhD Summer School on Host-Microbe Symbioses 2025 with great lecturers: J. Akorli, @berasymbionts.bsky.social, M. Blaser, T. Bosch, @nicoledubilier.bsky.social, @fkttkm.bsky.social, I. Gabanyi, G. Dominguez-Bello, and... 1/2 #SymbioSky #MicroSky gimm.idloom.events/phd-summer-s...
gimm.idloom.events
PhD Summer School on Host-Microbe Symbioses 2025
Symbnet PhD Summer School on Host-Microbe Symbioses Gulbenkian Institute for Molecular Medicine (GIMM) & Católica Biomedical Research Centre (CBR) July 06...
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Oleksandr Maistrenko @omaistrenko.bsky.social · 09/03/2025
We invite you to participate in the IX International Conference "Drosophila in Experimental Genetics and Biology", which will be held on June 16 - 18, 2025 in Ukraine. The event is hybrid with online and in-person participation. Working languages are Ukrainian and English. #Drosophila #genetics
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Oleksandr Maistrenko @omaistrenko.bsky.social · 09/03/2025
We invite you to participate in the IX International Conference "Drosophila in Experimental Genetics and Biology", which will be held on June 16 - 18, 2025 in Ukraine. The event is hybrid with online and in-person participation. Working languages are Ukrainian and English. #Drosophila #genetics
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Oleksandr Maistrenko @omaistrenko.bsky.social · 11/02/2025
I've attended the school in 2017. It is an amazing course with great lectures and opportunities to make friends and learn from leading scientists in the field! #symbiosis #microbiome #biology
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The Symbiosis Courses Alumni Network @symbiosisalumni.bsky.social · 05/02/2025
Save the date 📅: The PhD Summer School on Host-microbe Symbioses is taking place from 6-19 of July in Oeiras, Portugal. Registration is opening soon! Learn more 👉 gimm.idloom.events/phd-summer-s... @gimmfoundation.bsky.social @moorefound.bsky.social @crc1182.bsky.social #CIFAR #CBR
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Oleksandr Maistrenko @omaistrenko.bsky.social · 11/02/2025
I've attended the school in 2017. It is an amazing course with great lectures and opportunities to make friends and learn from leading scientists in the field! #symbiosis #microbiome #biology
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Oleksandr Maistrenko @omaistrenko.bsky.social · 31/01/2025
Day 5 of #USEB #evolution #biology #school YouTube live stream: www.youtube.com/@biologicnij...
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Oleksandr Maistrenko @omaistrenko.bsky.social · 30/01/2025
Day 4 of #USEB #evolution #biology #school YouTube live stream: www.youtube.com/@biologicnij...
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Oleksandr Maistrenko @omaistrenko.bsky.social · 29/01/2025
Day 3 of #USEB #evolution #biology #school YouTube stream: www.youtube.com/@biologicnij...
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Oleksandr Maistrenko @omaistrenko.bsky.social · 28/01/2025
We have started the Day 2 of #USEB #evolution #biology #school YouTube stream available here www.youtube.com/@biologicnij...
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Oleksandr Maistrenko @omaistrenko.bsky.social · 27/01/2025
The Ukrainian School in Evolutionary Biology is online! Talks which are happening now and previous talks can be viewed in YouTube: www.youtube.com/@biologicnij... #biology #evolution #school @eseb.bsky.social
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Oleksandr Maistrenko @omaistrenko.bsky.social · 16/11/2024
It is my pleasure to invite you to the first Ukrainian School in Evolutionary Biology (USEB), which will take place in Uzhhorod University from January 27 to 31, 2025. The event is hybrid. Primary target audience is high school, undergraduate, Msc and Phd students, but everyone is welcome.
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Oleksandr Maistrenko @omaistrenko.bsky.social · 07/01/2025
We have extended the deadline for the online participation for Ukrainian School in Evolutionary Biology (USEB) until January 15. Participation is free! #evolution #biology #school #workshop
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Falk Hildebrand @bioinf.bsky.social · 07/01/2025
New vacancy in my lab: explore microbial evolution in metagenomes in a 2 year post @TheQuadram @EarlhamInst , UK: quadram.ac.uk/vacancies/re... (closes 27th Jan) You will have access to unique software, 3rd gen deeply sequenced unique human cohorts.
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