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Ove Øyås 🇺🇦

@oveoyas.bsky.social
586 followers 1.4K following 80 posts

Computational systems biologist integrating data with mathematical models to explain biology. 🦠🍄🌱🐟🐮🧑 Researcher at Oslo Center for Biostatistics and Epidemiology (OCBE).

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Reposted by Ove Øyås 🇺🇦
bioRxiv Microbiology @biorxiv-microbiol.bsky.social · 30/09/2026
Genome-resolved ecology and evolution of the microbiome enabled by quantitative long-read metagenomics www.biorxiv.org/content/10.64898/20…
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 27/09/2026
arxiv.org/abs/2609.21564
arxiv.org
kgsteward: a tool for building, reproducing and maintaining distributed knowledge graphs
Collaborative research projects in life sciences increasingly need to integrate private, embargoed consortium data with public reference databases in order to reach statistically meaningful interpreta...
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Reposted by Ove Øyås 🇺🇦
bioRxivpreprint @biorxivpreprint.bsky.social · 17/09/2026
The ModelSEED Biochemistry Database, 2026 update: grading multi-source thermodynamics www.biorxiv.org/content/10.64898/20…
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Reposted by Ove Øyås 🇺🇦
bioRxiv Ecology @biorxiv-ecology.bsky.social · 11/09/2026
Growth rate and yield are not constrained by a trade-off in microbes www.biorxiv.org/content/10.64898/20…
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 09/09/2026
www.sciencedirect.com/science/arti...
sciencedirect.com
An ecological perspective on functional redundancy and robustness in microbial communities
Microbial communities often maintain ecosystem functions despite environmental fluctuations and compositional turnover. This robustness is frequently …
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 08/09/2026
www.biorxiv.org/content/10.6...
biorxiv.org
Forecasting viral evolution from phylogenetic trees
Viral mutation forecasting plays a key role in pandemic preparedness by enabling researchers to anticipate novel variants and design proactive interventions. Evolutionary histories, represented as phy...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 06/09/2026
www.sciencedirect.com/science/arti...
sciencedirect.com
The evolution of standards in systems biology: From metabolic and multi-scale to whole-cell models
The branches of systems biology focusing on mechanistic modeling have worked on standardizing data formats and vocabularies for well over two decades,…
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 01/09/2026
www.nature.com/articles/s41...
nature.com
MetaCAT enables reconstruction of high-quality microbial genomes and their association with host traits from metagenomic data - Nature Microbiology
MetaCAT is a computational framework to assess host–microbiome interaction via a combination of high-accuracy and efficient microbial genome reconstruction and metagenome-wide association studies with...
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Reposted by Ove Øyås 🇺🇦
Richard Sever @richardsever.bsky.social · 27/08/2026
$3.7 billion spent on APCs in 2025. That's ~1000X more than it costs to run bioRxiv/medRxiv. Worth thinking about as we consider how to fund infrastructure... arxiv.org/pdf/2608.16322
arxiv.org
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 18/08/2026
arxiv.org/abs/2608.168...
arxiv.org
Improving the matrix multiplication exponent with modern optimization and AlphaEvolve
The current best bounds on the matrix multiplication exponent $ω$ are obtained through a refinement of the laser method called combination loss analysis (Duan et al., 2022; Williams et al., 2024; Alma...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 11/08/2026
www.biorxiv.org/content/10.6...
biorxiv.org
The MiDAS global genome catalog: 53,501 long-read MAGs representing all core prokaryotic genera in the global activated sludge microbiome
Wastewater treatment relies on complex microbial communities, yet existing genome-resolved references for this essential engineered ecosystem remain dominated by short-read assemblies, limiting genome...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 06/08/2026
www.nature.com/articles/s41...
nature.com
Getting over ANOVA: estimation graphics for multi-group comparisons - Nature Methods
Nature Methods - Getting over ANOVA: estimation graphics for multi-group comparisons
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Reposted by Ove Øyås 🇺🇦
Snorre Sulheim @sulheim.bsky.social · 22/04/2026
Happy to finally share these results: Cross-feeding enables robust coexistence between four bacterial species www.biorxiv.org/content/10.6... With @saramitri.bsky.social @lambdapp.bsky.social @dan1elmachado.bsky.social @lhtxra.bsky.social Eric Ulrich, Alisson Gillon & Sam Testa #microsky
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 16/07/2026
academic.oup.com/bioinformati...
academic.oup.com
WILDkCAT: Extract, retrieve, and predict enzyme turnover numbers of constraint-based metabolic models
AbstractSummary. Accurate enzyme turnover numbers are essential for building enzyme-constrained genome-scale metabolic models. However, collecting and cura
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 08/07/2026
journals.plos.org/plosbiology/...
journals.plos.org
Normative assembly rule reveals fairness in microbial communities
Is microbial ecology fair? This study uses an ecological ‘Game of Growth’ to explore how fair ecological dynamics is as a distribution rule of biomass, revealing the degree of meritocracy found in the...
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Reposted by Ove Øyås 🇺🇦
Rob Patro @robp.bsky.social · 07/07/2026
My journey with @anthropic.com's Fable 5 model has been a very short one; characterized by "No". So, in my most recent blog post, I explain why I think "Fable is not a useful model" combine-lab.github.io/blog/2026/07...
combine-lab.github.io
COMBINE-lab - Fable is not a useful model
COMBINE-lab develops algorithms, data structures, and software for high-throughput genomics.
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 08/07/2026
link.springer.com/article/10.1...
link.springer.com
Thermo-flux: generation and analysis of thermodynamic-stoichiometric metabolic network models - Molecular Systems Biology
Metabolic modeling with stoichiometric models and flux balance analysis (FBA) has greatly advanced our understanding of metabolism. However, valid FBA predictions require mechanistically correct const...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 08/07/2026
Our paper on minimal metabolic pathways is finally out! 🙌 www.cell.com/cell-systems... I have summarized the new methods and some applications they enable in the thread below. 🧵 A stable version of the mptool toolbox is on PyPi and a major update is already on GitLab. 🤖 gitlab.com/csb.ethz/mpt...
cell.com
Scalable enumeration and sampling of minimal metabolic pathways for organisms and communities
Networks of metabolic exchanges are essential for multicellular systems and microbial consortia. Øyås et al. introduce minimal pathways, which generalize concepts of metabolic pathway analysis. By com...
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Reposted by Ove Øyås 🇺🇦
Nathan Lewis @natelewis3.bsky.social · 30/06/2026
It took several years, but @hmbaghdassarian.bsky.social got it working... genome scale models of human metabolism, transcription, translation, and protein secretion (ME+secretion model). Check out the preprint! www.biorxiv.org/content/10.6...
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Reposted by Ove Øyås 🇺🇦
Ali Shaib @alishaib.bsky.social · 01/06/2026
Hello #world, meet 1,000× Expansion Microscopy. A small gel would grow to the size of an Olympic swimming pool, while amino-acid-scale distances become visible with ordinary light microscopy. Led by Helena Hu from @eboyden3.bsky.social's lab, in collab with us. Story: www.biorxiv.org/content/10.6...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 02/06/2026
The tree labeling polytope: A unified approach to ancestral reconstruction problems: Cell Systems www.cell.com/cell-systems...
cell.com
The tree labeling polytope: A unified approach to ancestral reconstruction problems
Schmidt et al. introduce the tree labeling polytope, a mathematical framework to infer the ancestral states on a phylogenetic tree. This framework enables researchers to infer the routes of metastases...
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Reposted by Ove Øyås 🇺🇦
bioRxiv Bioinfo @biorxiv-bioinfo.bsky.social · 08/05/2026
A Differentiable dFBA Simulator for Scalable Bayesian Inference over Microbial Metabolic Models www.biorxiv.org/content/10.64898/20…
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Reposted by Ove Øyås 🇺🇦
Dustin Marshall @djmmeeg.bsky.social · 22/05/2026
Out today in @cp-trendsecolevo.bsky.social our paper “Second Thoughts about First Principles in Biology.” www.cell.com/trends/ecolo... . We are in favour of first principles approaches in biology but we think that we need to do better in how we use them.
cell.com
Second thoughts about first principles in biology
First-principles approaches, based on physics or chemistry, are key pillars of biological theory. Despite their value, there are recurrent problems with many first-principles approaches in biology: th...
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Reposted by Ove Øyås 🇺🇦
Nature Biotechnology @natbiotech.nature.com · 27/04/2026
Improving metagenome binning by integrating intrinsic features and taxonomy - @ucph.bsky.social @aicentre.dk go.nature.com/3QpQ3iq
go.nature.com
Improving metagenome binning by integrating intrinsic features and taxonomy - Nature Biotechnology
TaxVAMB combines sequence features with taxonomic information for improved metagenome binning.
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Reposted by Ove Øyås 🇺🇦
Tominaga K. (tomiken) @pacyc184.bsky.social · 20/04/2026
Direct benefits are not necessary for the evolution of multicellularity | Nature Ecology & Evolution www.nature.com/articles/s41559-026-…
nature.com
Direct benefits are not necessary for the evolution of multicellularity - Nature Ecology & Evolution
A model for the evolution of multicellularity in a spatially heterogeneous environment shows that indirect mechanisms such as escape from competition and increased environmental exploitation can drive the evolution of multicellularity in the absence of direct benefits.
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Reposted by Ove Øyås 🇺🇦
Nature Biotechnology @natbiotech.nature.com · 15/04/2026
Structure-centric searching enables global mapping of the public metabolome - @pieterdorrestein.bsky.social @mingxunwang.bsky.social @yelabiead.bsky.social go.nature.com/481Sbmk
go.nature.com
Structure-centric searching enables global mapping of the public metabolome - Nature Biotechnology
StructureMASST enables pan-repository MS/MS searches using a chemical name or structure.
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Reposted by Ove Øyås 🇺🇦
Christian Kost @kostchristian.bsky.social · 14/04/2026
@shrylishreekar.bsky.social and me wrote a commentary on Chunhui Hao's and @stuwest.bsky.social et al.'s recent paper "Cooperation and the evolution of bacterial niche breadth" in PNAS. Please find our commentary here: www.pnas.org/doi/10.1073/...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 12/04/2026
www.nature.com/articles/s41...
nature.com
Minimal life by computer - Nature Biotechnology
Progress toward a true virtual cell will depend on uniting AI’s pattern-finding power with the causal rigor of mechanistic models.
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Reposted by Ove Øyås 🇺🇦
Will Ratcliff @wcratcliff.bsky.social · 07/04/2026
1/25 New paper out in PNAS! We show that the fitness costs of reproductive specialization, where somatic cells give up reproduction, scale inversely with organism size. Larger organisms can afford far more soma, removing a key barrier to multicellular complexity.
pnas.org
The fitness costs of reproductive specialization scale inversely with organismal size
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Reposted by Ove Øyås 🇺🇦
Christoph Kaleta @kaletalab.bsky.social · 08/04/2026
The lab of Johannes Zimmermann at Jena University has an opening for a PhD position - exciting research in a highly innovative group: www.jsmc-phd.de/admission/va...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 07/04/2026
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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Reposted by Ove Øyås 🇺🇦
Frank Harrell @f2harrell.bsky.social · 17/03/2026
Fantastic new paper casting doubt on explainability of explainable AI. To explain complex machine learning algorithms you need reproducibility of the explanation at a minimum academic.oup.com/ehjdh/articl... #machinelearning #Statistics #StatsSky @maartenvsmeden.bsky.social
academic.oup.com
Signal or noise? Evaluating commonly used attribution methods for explaining deep neural networks in electrocardiogram classification
AbstractAims. Attribution-based explainability methods are widely used in electrocardiogram (ECG) analysis to interpret predictions from ‘black-box’ deep n
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Reposted by Ove Øyås 🇺🇦
bioRxivpreprint @biorxivpreprint.bsky.social · 18/03/2026
A relic at risk: Genomic evidence for an early-diverging domesticated lineage in Norwegian farmhouse yeast www.biorxiv.org/content/10.64898/20…
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Reposted by Ove Øyås 🇺🇦
Guillaume Méric @gmeric.bsky.social · 11/03/2026
🚨 New paper! Very excited to have been part of this collaborative work looking at the effect of antibiotics on the gut microbiota even years after prescription. Amazing effort led by Gabriel @tovefall.bsky.social and many others published today in Nature Medicine! 🔗 www.nature.com/articles/s41...
nature.com
Antibiotic use and gut microbiome composition links from individual-level prescription data of 14,979 individuals - Nature Medicine
Using individual-level data from the Swedish Prescribed Drug Register and fecal metagenomes of 14,979 individuals in Sweden, the authors examined the association between oral antibiotic use over 8 yea...
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Reposted by Ove Øyås 🇺🇦
Alvaro Köhn-Luque @alvarokohn.bsky.social · 09/03/2026
Open postdoctoral position (3-years) in Machine Learning and Computational Biology! www.jobbnorge.no/en/available... Job conditions are great 🏥💶 The scientific environment is top-notch 🧬 Oslo is a fantastic place to live ⛷️🏔️ ☀️ 🌲 Please, get in touch if you have questions
jobbnorge.no
Postdoctoral position in Machine Learning and Computational Biology (296798) | University of Oslo
Job title: Postdoctoral position in Machine Learning and Computational Biology (296798), Employer: University of Oslo, Deadline: Friday, April 10, 2026
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Reposted by Ove Øyås 🇺🇦
Nature @nature.com · 23/02/2026
Nature research paper: Oxygen metabolism in descendants of the archaeal-eukaryotic ancestor go.nature.com/4rSfRRw
go.nature.com
Oxygen metabolism in descendants of the archaeal-eukaryotic ancestor - Nature
Sequencing of marine sediments finds 136 newly identified Heimdallarchaeia and several novel lineages, and indicates that Heimdallarchaeia evolved distinct metabolic capabilities from other Asgardarchaeota, in conditions that may have given rise to early eukaryotes.
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Reposted by Ove Øyås 🇺🇦
Steven Salzberg @stevensalzberg.bsky.social · 17/02/2026
Our new review on genome annotation just appeared in @naturerevgenet.bsky.social, with a particular focus on the human genome, with Hayden Ji and Mihaela Pertea: rdcu.be/e4mI1
rdcu.be
Annotating genomes at increased scale and resolution
Nature Reviews Genetics - In this Review, Ji et al. overview how rapidly advancing experimental and computational methods are enabling improved and automated annotation of gene structure and...
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Reposted by Ove Øyås 🇺🇦
Daniel Machado @dan1elmachado.bsky.social · 16/02/2026
Happy to announce that CarveMe is now running online at usegalaxy.eu and usegalaxy.no 🙂
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Reposted by Ove Øyås 🇺🇦
Alvaro Köhn-Luque @alvarokohn.bsky.social · 12/02/2026
We are hiring! Seeking two ambitious postdoc to work at intersection of math modeling and machine learning for personalize breast cancer treatment. 2411.webcruiter.no/Main2/Recrui... Great conditions, top-notc scientific environment and a fantastic place to live. Please, get in touch for more
2411.webcruiter.no
Two Postdoctoral Researchers in Mathematical and Computational Oncology for Personalized Breast Cancer Treatment
We are seeking two ambitious Postdoctoral Researchers to join the Köhn-Luque group at the Oslo University Hospital. These 3-year positions are part of a high-impact project funded by the Norwegia...
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Reposted by Ove Øyås 🇺🇦
Peter Gleick @petergleick.bsky.social · 12/02/2026
They can hide, censor, and deny #climate change science but that doesn't change the #science. They can try to repeal the #Endangerment Finding but that doesn't change the danger. Reality will always win and history will never forget what they're doing and who is doing it.
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Reposted by Ove Øyås 🇺🇦
EMBL-EBI @ebi.embl.org · 10/02/2026
We’re hiring: Research Group Leader in computational biology. Are you generating more research ideas than you can explore? Lead cutting-edge AI & biology research at EMBL-EBI. Apply by 11 April 2026: embl.wd103.myworkdayjobs.com/en-US/EMBL/j... #ScienceCareers @ewaldlab.org @embl.org
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 09/02/2026
Only a few days left to apply for this interesting PhD position in biostatistics at OCBE: www.jobbnorge.no/en/available... @jmgran.bsky.social
jobbnorge.no
4-year PhD position in Biostatistics (292171) | University of Oslo
Job title: 4-year PhD position in Biostatistics (292171), Employer: University of Oslo, Deadline: Thursday, February 12, 2026
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Reposted by Ove Øyås 🇺🇦
Ran Blekhman @blekhman.bsky.social · 18/01/2026
Breast milk isn't just nutrition – it delivers live bacterial strains that colonize the infant gut and persist for months. Happy to share our new paper, where we used metagenomics to track bacterial strains between 195 mother-infant pairs over the first 6 months of life: doi.org/10.1038/s414...
doi.org
Assembly of the infant gut microbiome and resistome are linked to bacterial strains in mother’s milk - Nature Communications
Here, with metagenomic analyses on longitudinal samples collected from 195 mother-infant pairs, the authors show that the breast milk microbiome contributes to infant gut assembly through bacterial st...
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Reposted by Ove Øyås 🇺🇦
BF Francis Ouellette @bffo.bsky.social · 13/01/2026
From #NCBI Insight | Updated Bacterial and Archaeal Reference Genome Collection is now available | #Bioinformatics #Genomics #OpenScience #OpenData 🧬 🖥️ 🧪 ⬇️ ncbiinsights.ncbi.nlm.nih.gov/2026/01/13/a...
ncbiinsights.ncbi.nlm.nih.gov
An Updated Bacterial and Archaeal Reference Genome Collection is Available! - NCBI Insights
Download the updated bacterial and archaeal reference genome collection! We built this collection of 22,307 genomes by selecting the “best” genome assembly for each species among the 450,000+ prokaryo...
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Reposted by Ove Øyås 🇺🇦
Noah Fierer @noahfierer.bsky.social · 06/01/2026
New paper up - inspired by the periodic table of the elements, we attempted to organize bacterial diversity in genome-inferred trait space academic.oup.com/ismej/advanc...
academic.oup.com
Constructing a “periodic table” of bacteria to map diversity in trait space
Abstract. Despite an ever-expanding number of bacterial taxa being discovered, many of these taxa remain uncharacterized with unknown traits and environmen
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Reposted by Ove Øyås 🇺🇦
bioRxiv SysBio @biorxiv-sysbio.bsky.social · 17/12/2025
A database of over 15.000 strain design publications reveals a conserved set of metabolic engineering targets across microbial hosts and products www.biorxiv.org/content/10.64898/20…
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Reposted by Ove Øyås 🇺🇦
Nature @nature.com · 12/12/2025
Nature research paper: Gut micro-organisms associated with health, nutrition and dietary interventions go.nature.com/4oODWqv
go.nature.com
Gut micro-organisms associated with health, nutrition and dietary interventions - Nature
Comprehensive large-scale studies of multi-national populations identified microbiome species consistently associated with favourable and unfavourable health markers, informing future studies of the human gut microbiome and its association with diet and cardiometabolic conditions.
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Reposted by Ove Øyås 🇺🇦
Daniel Machado @dan1elmachado.bsky.social · 30/09/2025
Our new genome-scale model for R. cellulolyticum is out on mSystems: journals.asm.org/doi/10.1128/... Very proud of the hard work of my PhD student, Idun Burgos 😊
journals.asm.org
Genome-scale metabolic modeling of Ruminiclostridium cellulolyticum: a microbial cell factory for valorization of lignocellulosic biomass | mSystems
In this work, we present a manually curated genome-scale metabolic model for Ruminiclostridium cellulolyticum, one of the few species known to fully degrade cellulose and hemicellulose. The model was ...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 04/12/2025
journals.plos.org/ploscompbiol...
journals.plos.org
Identification of dynamic models of microbial communities: A workflow addressing identifiability and modeling pitfalls
Author summary Microbial communities, vital for human and environmental health, are complex systems whose quantitative behaviors are not yet fully understood. Scientists employ mathematical models to ...
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Ove Øyås 🇺🇦 @oveoyas.bsky.social · 04/12/2025
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
The return of metabolism: biochemistry and physiology of glycolysis
Glycolysis is a fundamental metabolic pathway central to the bioenergetics and physiology of virtually all living organisms. In this comprehensive review, we explore the intricate biochemical princip....
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