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Ksenia Guseva

@kseniaguseva

Complex systems. Microbial ecology.

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06.09.2024
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Latest posts by Ksenia Guseva @kseniaguseva

New blog post:

"Higher orders need higher standards"

skewed.de/lab/posts/hi...

I discuss our current work disentangling misconceptions around "higher-order" networks: arxiv.org/abs/2602.16937

Explainer thread for the paper here: bsky.app/profile/tiag...

23.02.2026 09:38 πŸ‘ 40 πŸ” 21 πŸ’¬ 1 πŸ“Œ 3
20.02.2026 20:02 πŸ‘ 18 πŸ” 6 πŸ’¬ 0 πŸ“Œ 1
Preview
Graphs are maximally expressive for higher-order interactions We demonstrate that graph-based models are fully capable of representing higher-order interactions, and have a long history of being used for precisely this purpose. This stands in contrast to a commo...

New on the arxiv:

β€œGraphs are maximally expressive for higher-order interactions”

arxiv.org/abs/2602.16937

We clarify central misconceptions in the recent literature on "higher-order networks".

w/ @piratepeel.bsky.social , @manlius.bsky.social, and @thilogross.bsky.social

Explainer 🧡: 1/N

20.02.2026 08:03 πŸ‘ 94 πŸ” 36 πŸ’¬ 6 πŸ“Œ 11
Preview
Which Kind of Science Reform What hope is there for science reform, if we can't agree on what to reform? Right now, principles are more important than practices.

How can we reform science? I have some ideas. But I am not sure you’ll like them, because they don’t promise much. elevanth.org/blog/2025/07...

09.07.2025 13:40 πŸ‘ 288 πŸ” 138 πŸ’¬ 16 πŸ“Œ 49

Congrats, Conny!

19.10.2025 16:43 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Congratulations, Kyle! All the happiness to you both!

24.07.2025 08:20 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Soils rock, obviously. And microbes too!

Professorship opening @ter-cemess.bsky.social. Fantastic team and world-class research environment!
Join us at @cemess.bsky.social, @univie.ac.at

07.07.2025 12:55 πŸ‘ 15 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0

Working on microscale microbial functions and/or scaling up?

Submit to our Elementa special feature!

πŸ”— lnkd.in/gChyjaiM
πŸ“ Rolling publication
πŸ“… Final deadline: Sept 20, 2025
🌍 Contributions welcome from soil, ocean & human systems.

04.07.2025 16:15 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Looking for Master's thesis projects?

Join us in Vienna to study :

- bacterial ecology
- fungal-bacterial interactions
- microbial modeling

27.04.2025 13:31 πŸ‘ 7 πŸ” 9 πŸ’¬ 1 πŸ“Œ 0
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πŸ“£ Our special feature highlighting cutting-edge microbial eco-evolutionary research is now live and open for submissions! online.ucpress.edu/elementa/pag.... Submission deadline: September 20, 2025 (but accepted papers will be published on a rolling basis starting immediately).

01.04.2025 13:56 πŸ‘ 5 πŸ” 2 πŸ’¬ 1 πŸ“Œ 1
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TER - We had our annual Science Retreat yesterday. Great science, discussions, and fun!
#TerrestrialEcosystemResearch
@cemess.bsky.social

18.02.2025 05:40 πŸ‘ 14 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
Preview
Ksenia Guseva is a new senior scientist at TER We are thrilled to announce that Ksenia Guseva has joined our team as a senior scientist.

Congratulations to @kseniaguseva.bsky.social for becoming Senior Scientist at @ter-cemess.bsky.social, @cemess.bsky.social,
@univie.ac.at
Wonderful to have you on board!

ter.univie.ac.at/news-talks/n...

11.02.2025 18:29 πŸ‘ 19 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0
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High time for #EGU25 submissions. Consider contributing to our interdisciplinary session on the spatial heterogeneity of soils influencing biogeochemical matter cycles and C dynamics.

meetingorganizer.copernicus.org/EGU25/sessio...

@edithhammer.bsky.social, @mud-maik.bsky.social, S.KΓΆnig, N.Meyer

14.01.2025 09:54 πŸ‘ 10 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
Session SSS4.8

#EGU25 abstract submission deadline is approaching (Jan 15)--so many great sessions to choose! See 3 re-posts below, and for modelers: meetingorganizer.copernicus.org/EGU25/sessio... chaired by @moritzmohrlok.bsky.social, @albertbrangari.bsky.social, @kseniaguseva.bsky.social, Hassan Karjoun

09.01.2025 15:14 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Less than 24 hours left to submit an abstract to #EGU25! Please consider our session on microbial models in SSS4.8 if you are #modelling #microbes to explain what's going on in #soil :)
Featuring a keynote talk by @manzonilab.bsky.social!

@kseniaguseva.bsky.social
@albertbrangari.bsky.social

14.01.2025 16:41 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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If you loved (or missed!) our AGU24 session, don’t miss our
#EGU25 session, "Advancing Soil Carbon Predictions"! πŸ₯ Invited speaker: Elena Shevliakova (Princeton), a leader in integrating microbes into land surface models. Submit abstracts by Jan 15 πŸ—“οΈ: meetingorganizer.copernicus.org/EGU25/sessio...

17.12.2024 01:02 πŸ‘ 6 πŸ” 3 πŸ’¬ 0 πŸ“Œ 1
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If you have the feeling that @bsky.app is different, maybe you are right.

The current migration is breaking the typical rich-get-richer effect wrt other platforms #scaling

Data:

Twitter: 10.9M users
BlueSky (Mar 2024): 4.1M users, πŸ™ @andreajpg.bsky.social
Mastodon: 3.8M users, πŸ™ @tiago.skewed.de

17.11.2024 19:47 πŸ‘ 201 πŸ” 64 πŸ’¬ 15 πŸ“Œ 11
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1st anniversary of our #FWF Cluster of Excellence "Microbiomes Drive Planetary Health"! Inspiring meeting with groundbreaking ideas, especially from our diverse group of international early career researchers. Exciting research is on the horizon - stay tuned for more updates!

24.10.2024 13:37 πŸ‘ 7 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0

Just a clarification: I meant extracellular degradation of polysaccharides, not specifically of eps. Sorry about that.

07.09.2024 22:20 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Special thanks to all the co-autors: Christina Kaiser @christinakaiser.bsky.social, Moritz Mohrlok @moritzmohrlok.bsky.social, Lauren Alteio, Shaul Polak and Hannes Schmidt !

07.09.2024 14:39 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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We reveal how substrate concentration and complexity shape microbial growth and interactions.
We also find data to support our model: we performed a systematic literature search, which shows that generalists (producing both enzymes) dominate among chitin-degrading microbes. 5/6

07.09.2024 14:36 πŸ‘ 6 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Finally, we explored whether microbes can divide labor in the production of these two enzymes within consortia.
Our analysis paints a fascinating picture: interactions between endo- and exo-enzyme producers can flip from positive to negative depending on substrate levels! 4/6

07.09.2024 14:34 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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We have found that producers:

1. Of exo-enzymes thrive when many polymer chains are around.

2. Of endo-enzymes unexpectedly excel only when fewer chains are present.

3. Of both enzymes together expand their niche and may benefit from enzyme synergy. 3/6

07.09.2024 14:33 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

We mainly focus on two enzyme types:

1. β€œExo”-enzymes snip small units from the ends of polymer chains.

2. β€œEndo”-enzymes break polymers at random, creating varied-sized fragments.

Using a theoretical model, we simulated polymer degradation and microbial growth. 2/6

07.09.2024 14:27 πŸ‘ 4 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Excited to share our latest paper in PLOSCompBiol @plos.bsky.social !

journals.plos.org/ploscompbiol...

Our study dives into the comparison of possible extracellular polysaccharide degradation strategies and their impact on microbial growth and community dynamics. 1/6
#Microbialecology

07.09.2024 14:26 πŸ‘ 27 πŸ” 13 πŸ’¬ 1 πŸ“Œ 2