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Maja Köhn

@mkoehn.bsky.social
1.6K followers 451 following 46 posts

Prof. at University of Bonn, Chemical Biology, Phosphatases, views are my own, she/her

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Reposted by Maja Köhn
Milena Schuhmacher @mschuhmacher.bsky.social · 01/10/2026
So excited to join the Perutz! #lipidtime I will also be looking for new PhD students and postdocs soon ☺️
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Kimberly Beatty @beattylab.bsky.social · 28/09/2026
Please share: OHSU is hiring an Assistant Prof. in the Dept. of Chemical Physiology & Biochemistry. We are looking for a chemical biologist who will apply novel chemical tools in physiological systems. Apply online: www.ohsu.edu/human-resour... (Job # 2026-41667).
ohsu.edu
OHSU Faculty, Physician and Academic Jobs in Oregon
Find higher education faculty, physician and research jobs and build your academic health career at OHSU in Portland, Oregon.
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Carlos Moreno-Yruela @carlosmyruela.bsky.social · 17/09/2026
I just started my laboratory @ibecbarcelona.eu for developing Enzyme Sensors and Chemical Probes. Find me on LinkedIn for job opportunities! #chembio #peptides #enzymes
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Dirk Trauner @dirktrauner.bsky.social · 14/09/2026
The Department of Chemistry at the University of Pennsylvania invites applications for a tenure-track position at the rank of Assistant Professor in the broadly defined area of organic chemistry. I have the honor of chairing the search committee. apply.interfolio.com/192648
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EMBL Events @events.embl.org · 14/09/2026
And that's a wrap on the EMBO Workshop 'Chemical biology 2026'! #EMBOChemBio A huge thank you to everyone who joined us - from exciting science to lively discussions over coffee, it was a fantastic few days of exchanging ideas, making connections, and exploring the latest in chemical biology ⚗️🧪
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Stephan Hacker @stephanhacker2.bsky.social · 14/09/2026
Are you interested in the newest and most exciting research in Chemical Biology? The Advances in Chemical Biology on January 26th and 27th, 2027, in Frankfurt, Germany, might just be the event for you! Check out the details here: www.dechema.de/en/ChemBio2027 (1/4)
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Magnus Kjærgaard @proteinmagnus.bsky.social · 13/09/2026
How does linear motifs drive dephosphorylation - and does it matter where and how strong the motifs are? These are the question Evi answers in her brand new pre-print: www.biorxiv.org/content/10.6...
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Ylva Ivarsson @ivarssonlab.bsky.social · 11/09/2026
Do you want to be my colleague? We are recruiting a tenured #Associate #Professor in #Biochemistry to the Department of Chemistry for Life Sciences at #Uppsala University. Deadline for application November 20. www.uu.se/en/about-uu/...
uu.se
Associate Professor in Biochemistry - Uppsala University
Associate Professor in Biochemistry, Department of Chemistry for life sciences, Uppsala University
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EMBL Events @events.embl.org · 09/09/2026
Day 2 of the EMBO Workshop 'Chemical biology 2026' is in full swing ⚗️🤓 🔵 Session 2: Chemical technologies to probe biology 🎤 'Cartographing local proteomes’ actionability' presented by Yimon Aye (University of Oxford, UK) + lots of coffee! #EMBOChemBio @embl.org @embo.org
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EMBL Events @events.embl.org · 10/09/2026
Poster session: where “I’ll just have a quick look” somehow turns into a 20-minute scientific deep dive 😄🧪 Yesterday’s poster session at 'Chemical biology' had all the right ingredients: a little chemistry, a little biology, and a lot of interaction ⚗️💬 #EMBOChemBio @embl.org @embo.org
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EMBL Events @events.embl.org · 10/09/2026
💻 Our events are hybrid, offering a virtual platform, livestreams, Q&A, online resources, discussions, and recorded talks. This time we also have a bunch of you attending #EMBOChemBio remotely! ⚗️🧬🧪 Session 3: Chemical technologies to manipulate biology ➡️ talks by Mark Brönstrup and Vanessa Rogga
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Maja Köhn @mkoehn.bsky.social · 10/09/2026
Much inspiration at #EMBOChemBio comes from the many short and flash talk presentations from scientists of all career stages. Great presentations, creative research! #ChemBio #ChemSky
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Maja Köhn @mkoehn.bsky.social · 10/09/2026
Further highlights of the 2nd day of #EMBOChemBio were Luke Lavis illuminating us with brilliant dyes, and Paola Picotti on her fantastic method LiP-MS: limited proteolysis coupled to mass spectrometry. So many possible applications! #ChemBio #ChemSky
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Pedro Beltrao @pedrobeltrao.bsky.social · 09/09/2026
I made a presentation to other faculty about recent progress in general AI, to facilitate the discussion around the impact for research and teaching in biology. It could be that the slides are useful for others trying to do that same. Feel free to re-use. docs.google.com/presentation...
docs.google.com
generalAI_for research_intro.pptx
Recent AI developments and what they mean for us Quick primer on general AI models* State-of-the-art in AI agent capabilities AI agents in biology (examples) Discussion - what does this mean for our r...
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EMBL Events @events.embl.org · 08/09/2026
Welcome to Day 1 of 'Chemical biology 2026'! Looking forward to the next 4 days packed with science and new connections ⚗️🤩 ➡️ Opening remarks by one of our scientific organisers Bryan Dickinson (University of Chicago, USA) #EMBOChemBio @embl.org @embo.org @chembiobryan.bsky.social
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IDPSeminars @idpseminars.bsky.social · 25/08/2026
IDPSeminars is BACK for its 22nd season (!!). A fantastic new line up of speakers for Sept/Oct/Nov/Dec! Register at idpseminars.com. First seminar NEXT WEEK (Sept 3rd!) at 10 AM Pacific/1 PM Eastern/ 7 PM EU!
IDPSeminars Season 22 speakers:

Thursday Sept 3rd at noon central USA
Tianjin Yang (National University  of Singapore)
Yifan Dai (Washington University in St. Louis)

Thursday Oct 1st at noon central USA
Giulio Tesei (Malmö University)
Rob Best  (NIH)

Thursday Nov. 5th at noon central USA
Timothee Lionnet (NYU)
Nicole DelRosso (UCSF)

Thursday Dec 3rd at noon central USA
Margaux Pinney (UCSF)
Iva Pritišanac (Helmholtz Munich)
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Gabriel Schaaf @gabrielschaaf.bsky.social · 22/07/2026
Please share! 🌱🤖 Permanent W2 Professorship in crop & plant sciences @ PhenoRob, University of Bonn. Especially encouraged: crop genome engineering, sustainable pest control, or sustainable disease control. Expertise in one area is enough. Apply by Sept. 30, 2026. www.uni-bonn.de/en/universit...
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Khaled_Selim Lab @selimlab.bsky.social · 02/07/2026
Plz spread the words: We have 2 opens for Full (W3) and Associate (W2) professorships @hhu.de Düsseldorf on Experimental Biophysics Come and join us to shape both physics & biology departments and let's make some great science together! berufungsportal.hhu.de
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Barbarasynbio @barbarasybio.bsky.social · 01/07/2026
The Hypersphere - the rock band I am the singer of - will play at the Zelt-Musik-Festival Freiburg (ZMF) on 21st of July. We warmly invite all those living or finding themselves in the vicinity of Freiburg to join us for some happy energetic time with good rock music 🎶🤟🏼
This photo shows us, The Hypersphere, performing on stage not long ago. We are four rock music enthusiasts, 3 men and me, the only woman. This photo has nice warm colors like red and pink
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Hemmo Meyer Lab @hemmo-lab.bsky.social · 01/07/2026
Our opinion article is out now on: Disentangling the response to lysosomal damage journals.biologists.com/jcs/article-... It discusses the concept of lysosome regeneration and the tools and reporters for diverse branches of the pathway. Great to work with coauthors Akiko and Shuhei.
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Ralf Reski @reskilab.bsky.social · 01/07/2026
A bit more than a week to apply! W 3 Professorship for Plant Biotechnology. Freiburg, Germany. Great university, great faculty, awesome colleagues. Apply, if you want to be my successor. uni-freiburg.de/en/job/00005...
uni-freiburg.de
University of Freiburg
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Ben Neely @benneely.com · 30/06/2026
My new fav game just leveled up. I’ve gave free Claude a short lived fine grained PAT to “develop” a webapp for me on a repo which has a cloudflare custom domain. Now can “play” on my phone! I keep the free one so I don’t lose myself completely. Neely/radio but is on radio.benneely.com. It’ll grow.
radio.benneely.com
The Dial
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Reese Richardson @reeserichardson.bsky.social · 05/06/2026
The Thermo Fisher situation keeps getting worse. We've now collected 450+ problematic images presented as verification data in TF's antibody catalog. This includes: 🖌️ Dozens more images with duplications or painting 🖨️ Hundreds of blots that all share the same background (behold slideshow below)
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Yasin Dagdas @plantophagy.bsky.social · 29/05/2026
Heidelberg University Biochemistry Center @bzh-hd.bsky.social is looking for a #professor of #biochemistry. Please spread the word‼️ www.bzh.uni-heidelberg.de
bzh.uni-heidelberg.de
Universit�t Heidelberg - BZH
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Alexander Titz @titzlab.bsky.social · 01/05/2026
As a German citizen, I am very grateful for the leadership of the EU! But I never thought that I would even be happy with vdLeyen. What Reiche, Merz & co are doing is what we call Filz 🤒 Why does the electorate absolutely irrationally vote for these malign politicians? Reiche is a chemist after all🙄
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Lemke Lab @lemkelab.bsky.social · 21/05/2025
Save the date! 🧪The EMBO Workshop on Chemical Biology returns to EMBL Heidelberg on 8–11 Sep 2026. Co-organisers: Bryan Dickinson (UChicago), Maja Köhn (Bonn), Edward Lemke (IMB), Xiao Wang (MIT). #ChemicalBiology #EMBOChemBio #EMBO #EMBL #SaveTheDate #Biotech #Science www.embl.org/about/info/c...
embl.org
Chemical biology
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Elsässer Lab @simonelsasser.bsky.social · 24/03/2026
We have a research/technical assistant (E7, 100%) opening uni-freiburg.de/en/job/00004...! For those not familiar with German university staff, this is a permanent position requiring a technical assistant training (BTA/CTA MTLA) or BSc degree, transparent pay scale: lbv.landbw.de/documents/d/...
uni-freiburg.de
University of Freiburg
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Nilsson lab @nilssonlab.bsky.social · 06/03/2026
Happy to see our work on defining a dependency map of short linear motifs out. We use base editing screens to install more than 80000 mutations into SLiMs in more than 4000 proteins to determine their contribution to cell fitness. www.nature.com/articles/s41...
nature.com
A proteome-wide dependency map of protein interaction motifs - Nature Structural & Molecular Biology
Ambjørn and Meeusen et al. functionally characterize all reported and a comprehensive set of predicted short linear motifs (SLiMs) using base-editing screens, identifying 450 reported and 264 predicte...
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Center of Medical Biotechnology @unidue-zmb.bsky.social · 06/03/2026
Kicking off the last session of the symposium, our keynote speaker @mkoehn.bsky.social from @unibonn.bsky.social spoke about peptide tools used to dissect phosphatase-substrate interactions. Have a look at the human dephosphorylation database (DEPOD) via the link www.depod.org 1/3 #17GPS
depod.org
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Katrin Paeschke @paeschkelab.bsky.social · 25/02/2026
You are interested in immunology and how nucleic acid structures contribute to their function and how this impacts disease development - Rayk Behrendt and myself have open PhD positions for a joint PhD program between Bonn and Osaka.
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tafesselab.bsky.social @tafesselab.bsky.social · 24/02/2026
Our paper on The Lipid Interactome is now published, and the database is open: lipidinteractome.org @ohsummi.bsky.social @ohsunews.bsky.social @nadlerlab.bsky.social @jeremybaskin.bsky.social Please RT to spread the word. doi.org/10.1093/bioi...
doi.org
The Lipid Interactome: an interactive and open access platform for exploring cellular lipid–protein interactions
AbstractSummary. Lipid–protein interactions play essential roles in cellular signaling and membrane dynamics, yet their systematic characterization has lon
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Ruben Ragg @rubenragg.bsky.social · 10/02/2026
We are hiring an Editor‑in‑Chief for our in-house chemistry portfolio to lead journals in the wider field of phytochemistry, medicinal chemistry, and natural products. Please like, share, and apply! wiley.wd1.myworkdayjobs.com/wiley_career...
wiley.wd1.myworkdayjobs.com
Editor-in-Chief - Physical Sciences
Job Description: Editor-in-Chief - Physical Sciences Location: Remote, GBR Our mission is to unlock human potential. We welcome you for who you are, the background you bring, and we embrace individual...
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Center of Medical Biotechnology @unidue-zmb.bsky.social · 10/02/2026
⏰ Registration is closing soon! Join us at the 17th German #Peptide Symposium, 4–6 March 2026 in Essen @unidue.bsky.social. 🎤 The full speaker program is now online, featuring @mbogyo.bsky.social, @mkoehn.bsky.social & more. 🔗 www.uni-due.de/17gps/ #17GPS
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Royal Society of Chemistry @rsc.org · 28/12/2025
Looking for something inspiring to kick off your 2026? 🎉 #RSCPoster registration is OPEN! Join one of the largest online poster events, uniting researchers from every career stage & every corner of the scientific community. We can’t wait to see what you’ll share ➡️ rsc.li/3XGGvzS #ChemSky
Promotional image for a 24-hour online conference on LinkedIn hosted by American Elements and Royal Society of Chemistry, scheduled from March 3, 2026, at 12:00 GMT to March 4, 2026, at 12:00 GMT. Features an orange and black background with abstract geometric designs and the text 'Save the date.'
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Sharpe Lab @sharpe-lab.bsky.social · 21/01/2026
Pervanadate is more than just a phosphatase inhibitor! Read our paper just published in #sciencesignaling showing that pervanadate oxidises and activates SRC kinase too. Link: tinyurl.com/5ype7e2s Thanks for the 'focus' by: @nshahlab.bsky.social tinyurl.com/54fcjds3 @babrahaminst.bsky.social
science.org
Pervanadate-induced oxidation relieves autoinhibition of the protein tyrosine kinase SRC
A widely used tyrosine phosphatase inhibitor also oxidizes and activates the tyrosine kinase SRC.
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Ben Schumann @drglycoben.bsky.social · 18/01/2026
#chembio and #bioorganic crowd. Mark your calendars for ESBOC 2026, registration opens soon! www.esboc.org.uk ⏱️ 27th-30th May 2026 🏰 The beautiful Schlosshotel Pillnitz GmbH in Dresden/Germany
esboc.org.uk
ESBOC – European Symposium on Biological and Organic Chemistry
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Pedro Beltrao @pedrobeltrao.bsky.social · 16/01/2026
This is such hard news to process. Such an amazing scientist and inspiration for so many of us. www.embl.org/news/embl-an...
embl.org
In remembrance of Peer Bork  | EMBL
EMBL and its community are deeply saddened by the death of Peer Bork, the organisation’s Interim Director General.
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@Westermarcklab @westermarcklab.bsky.social · 12/01/2026
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RSC Chemical Biology @rscchembio.rsc.org · 09/01/2026
📢 #RSCChemBio is sponsoring two poster prizes at the EMBO-EMBL Chemical Biology Workshop 2026! 📅 8 - 11th September 2026 📍 EMBL Heidelberg, Germany 🔗 www.embl.org/about/i... Submit your abstract by 2nd June 2026 to a part of the event! EMBO #ChemicalBiology
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Coskun Lipid Cellar @ ZML Dresden @lipid.bsky.social · 15/12/2025
Ups we did it again! Please mark your calender. EMBO Workshop “Lipid Code to Life”, taking place September 7–11, 2026, in Dresden, organized by Maria Fedorova, @lipid.bsky.social, Valerie O'Donnell, @holthuislab.bsky.social and @molcellbiophys-lab.bsky.social 🥳 Retweets = lipidlove
copyright Palina Nepachalovich of ZML Dresden
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Christophe Zimmer @chzimmer.bsky.social · 21/11/2025
We have an open call for a group leader at the Rudolf Virchow Center for Integrative and Translational Bioimaging in Würzburg, Germany. Generous starting package, vibrant and highly interdisciplinary biomedical research environment. www.nature.com/naturecareer... Please spread the word.
nature.com
Group Leader (f/m/d) at the Rudolf Virchow Center for Integrative and Translational Bioimaging - Würzburg (Stadt), Bayern (DE) job with University of Würzburg - Rudolf Virchow Center for Integrative a...
The Rudolf Virchow Center for Integrative and Translational Bioimaging (RVZ) ist now inviting applications for the position of Group Leader (f/m/d).
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Division of Organic and Medicinal Chemistry/GU @omc-gu.bsky.social · 04/12/2025
Please share and spread the word!
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Claire Deo @clairedeo.bsky.social · 13/11/2025
New preprint 🥳! We made photoclickable HaloTag ligands to precisely control protein labeling on living cells. With it, we can do some cool multicolor stuff. Huge congrats to Franzi and all co-authors! Check it out 👇 www.biorxiv.org/content/10.1...
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Bryan Dickinson @chembiobryan.bsky.social · 11/11/2025
Registration for THE chemical biology conference of 2026 is now open! EMBO ChemBio 2026 in Heidelberg DeGrado, Arikin, Picotti (Keynotes). @lmkdassama.bsky.social @brianliau.bsky.social @rhodamine110.bsky.social @benlehner.bsky.social @alitavassoli.bsky.social www.embl.org/about/info/c...
embl.org
Chemical biology 2026
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Harmit Singh Malik @harmitmalik.bsky.social · 12/11/2025
Are you an early-stage graduate student (2nd or 3rd year) or early-stage postdoc based in the US or Canada, working primarily in Drosophila? Would you like to help improve the experience of all trainees working in Drosophila research? If so, read on. (Please repost to reach a broad audience.)
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Yamuna Krishnan @krishnanyamuna.bsky.social · 08/11/2025
I read this book when I was 15 and fell in love with DNA. I re-read it at 32 with lived experience in Science and it filled me with rage. I cannot pick up that book now. It reveals what women were/are up against.
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Maja Köhn @mkoehn.bsky.social · 28/10/2025
Wonderful concert Sunday night in Cologne. So happy that I got to see Johnny Marr! Great crowd too!
Johnny Marr live in Cologne
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Nilsson lab @nilssonlab.bsky.social · 23/10/2025
I have a PhD opening in my lab for an exiting project using base editor screens to find novel drug targets. Please help spread the word. candidate.hr-manager.net/ApplicationI...
candidate.hr-manager.net
PhD student position in the Cell Signaling and Cell Cycle group at the Danish Cancer Institute.
The Cell Signaling and Cell Cycle group, headed by Prof. Jakob Nilsson, is looking for a highly motivated and enthusiastic PhD student to establish novel CRISPR
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Carlos Conde @carlos-conde.bsky.social · 23/10/2025
Our latest research in collaboration with @nilssonlab.bsky.social, @andrea-musacchio.bsky.social and Mathieu Bollen reveals a new regulatory strategy employed by cells to control PP1 in mitosis. Check it out in @currentbiology.bsky.social www.sciencedirect.com/science/arti...
sciencedirect.com
Polo kinase inhibits protein phosphatase 1 to promote the spindle assembly checkpoint and prevent aneuploidy
Protein phosphatase 1 (PP1) is essential for spindle assembly checkpoint (SAC) silencing and mitotic exit, but its regulation during mitosis remains i…
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Rob Klose @robklose.bsky.social · 17/10/2025
Come join us in Geneva for everything epigenetics and gene regulation. It will be a great meeting! Please repost! www.keystonesymposia.org/conferences/...
keystonesymposia.org
Epigenetics and Gene Regulation in Health and Disease: Linking Basic Mechanisms with Therapeutic Opportunities | Keystone Symposia
Join us at the Keystone Symposia on Epigenetics and Gene Regulation in Health and Disease: Linking Basic Mechanisms with Therapeutic Opportunities, March 2026, in Geneva, with field leaders!
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