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Rosen Lab

@rosenlabwashu.bsky.social
75 followers 79 following 26 posts

Studying Klebsiella pneumoniae at WashU!

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Rosen Lab @rosenlabwashu.bsky.social · 15/09/2026
CONGRATULATIONS to our amazing postdoc Abass on his first Rosen lab publication in Microbial Pathogenesis 🤩 the continuation of the FimK story is finally here! www.sciencedirect.com/science/arti... Congrats again, Abass! Be on the lookout for more from Abass soon 🥳 @abassoduola.bsky.social
sciencedirect.com
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Rosen Lab @rosenlabwashu.bsky.social · 23/07/2026
WashU DBBS Summer Research Symposium ❤️ we are so proud of our undergrad Shreya! She completely switched projects halfway through the Summer and you would never guess! She jumped right in and started generating some data 🤩 See you back in the lab when the semester starts!
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Rosen Lab @rosenlabwashu.bsky.social · 22/05/2026
Congrats to our postdoc Abass for completing the Venture Fellows Program 🥳 The #WashU OTM 2025-2026 Venture Fellows completed an intensive curriculum that provided experiential learning in venture capital investing and company creation.
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Rosen Lab @rosenlabwashu.bsky.social · 23/04/2026
Action shots of our staff scientist Paeton presenting at the inaugural Vaccine Research Day a few days ago! Thank you to the Center for Vaccines & Immunity to Microbial Pathogens (CVIMP) for putting on a great program 🤗💉
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Rosen Lab @rosenlabwashu.bsky.social · 23/04/2026
We're beyond thrilled to welcome a new undergraduate student to the Rosen Lab! Meet Srishreya (Shreya) Arunsaravanakumar 🤩 As a first-year student, Shreya is just getting started 🤓 Her primary mentor is Emily, and we're excited to have her here all summer <3
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Rosen Lab @rosenlabwashu.bsky.social · 30/01/2026
CONGRATULATIONS to our former student Nathan Lin for getting a FIRST AUTHOR PAPER from his undergraduate work! 🎉 We are so proud of you, Nathan! Hope you're enjoying life over in Sweden 😊 🔗: journals.asm.org/doi/10.1128/...
journals.asm.org
Differential contributions of ClpX and ClpP to pulmonary virulence in classical and hypervirulent Klebsiella pneumoniae | Infection and Immunity
Klebsiella pneumoniae is a leading cause of antibiotic-resistant and hospital-acquired infections. The emergence of highly virulent strains of K. pneumoniae capable of causing severe disease is of utm...
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Rosen Lab @rosenlabwashu.bsky.social · 09/01/2026
We also want to introduce our new research technician, Sara McCoy! She has a specialization in bioinformatics and came to WashU in 2024 to immerse herself in wet lab and hands-on experimental research — We are so excited to have her 😊
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Rosen Lab @rosenlabwashu.bsky.social · 09/01/2026
Post-holidays Rosen lab holiday team building fun at the Great Big Game Show 🤩🥳 Thanks for letting the blue team beat you, David 😜
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Rosen Lab @rosenlabwashu.bsky.social · 31/12/2025
Capping off the year with some more great work from Paeton and some of our favorite collaborators 🥳 Happy New Year from the Rosen Lab! Look forward to more great stuff from us in 2026 🎆 www.nature.com/articles/s41...
nature.com
A multivalent capsule vaccine protects against Klebsiella pneumoniae bloodstream infections in healthy and immunocompromised mice
npj Vaccines - A multivalent capsule vaccine protects against Klebsiella pneumoniae bloodstream infections in healthy and immunocompromised mice
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Rosen Lab @rosenlabwashu.bsky.social · 04/12/2025
Another new paper out from Paeton and our former clinical fellow Nadia 😊 check it out! doi.org/10.1016/j.ij...
doi.org
Redirecting
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Rosen Lab @rosenlabwashu.bsky.social · 01/12/2025
🆕 Paper from Paeton just dropped looking at O2 antigen subtypes 👀 Check it out here 🔗: journals.asm.org/doi/10.1128/...
journals.asm.org
Differential virulence and immune recognition of Klebsiella pneumoniae O-antigen subtypes O2α and O2β | Infection and Immunity
Klebsiella pneumoniae is a Gram-negative opportunistic pathogen capable of causing a variety of infection types across various hosts. It often causes hospital-acquired invasive infection in immunocomp...
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Feldman Lab@WashU @feldmanlab.bsky.social · 28/09/2025
Happy to share the last pre-print from my lab. Just in time for Evan’s thesis defense www.biorxiv.org/content/10.1...
biorxiv.org
Dual Membrane-spanning Anti-Sigma 2 Controls OMV biogenesis and Colonization Fitness in Bacteroides thetaiotaomicron
Bacteroides spp. are Gram-negative, gut commensals that shape the enteric landscape by producing outer membrane vesicles (OMVs) that degrade dietary fibers and traffic immunomodulatory biomolecules. U...
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Feldman Lab@WashU @feldmanlab.bsky.social · 29/09/2025
I said I will never work on phages, but having @micheleleroux.bsky.social next door made me change my mind. Here is Alexis's new paper showing how different phages deal with the capsular barrier to infect Acinetobacter! A great collaboration between our labs! journals.plos.org/plospathogen...
journals.plos.org
Acinetobacter phages use distinct strategies to breach the capsule barrier
Author summary Acinetobacter baumannii causes life-threatening and often antibiotic-resistant infections thereby posing a global threat. Accordingly, there is an urgent need for alternative treatments...
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davidaaronrosen.bsky.social @davidaaronrosen.bsky.social · 12/09/2025
So proud of Shantal!
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Rosen Lab @rosenlabwashu.bsky.social · 11/09/2025
CONGRATULATIONS to our grad student Shantal for PASSING her qualifying exam! 🍾 We are so proud of you and can't wait to see what you will accomplish next! This is Shantal thanking Malt for providing her emotional support throughout this process 🐶
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Rosen Lab @rosenlabwashu.bsky.social · 08/09/2025
Our very own Abass @abassoduola.bsky.social is trying his hand at sci comm on STEM TikTok 🫡 go show him some love!
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Rosen Lab @rosenlabwashu.bsky.social · 05/09/2025
We are also excited to welcome a new postdoc @jrlane2014.bsky.social to the Rosen Lab! We hope she likes Klebsiella pneumoniae as much as Streptococcus pneumoniae. Fun fact: Jessica has 2 cats named Teddy and Binx 🐈 🐈‍⬛
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Rosen Lab @rosenlabwashu.bsky.social · 05/09/2025
Welcome our new research assistant Katie to the Rosen Lab! 🤗 Fun fact: Katie has a cat named Timmy and is a dedicated plant mom 🐈 🪴
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davidaaronrosen.bsky.social @davidaaronrosen.bsky.social · 05/09/2025
So proud of Dariana!
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Rosen Lab @rosenlabwashu.bsky.social · 05/09/2025
CONGRATULATIONS to our grad student Dariana for PASSING her qualifying exam! 🍾 We are so proud of you and can't wait to see what you will accomplish next!
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Isabel Erickson @isabelerickson.bsky.social · 11/08/2025
📄 🧫 New review out today! I hope that it is a helpful overview of the connections between the preterm gut microbiome and disease. It's the Schwartz lab's first review and summarizes our group's major focus journals.asm.org/doi/epub/10.... #MicroSky #Microbiome
journals.asm.org
Consequences of host-microbiome interactions in preterm infants
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davidaaronrosen.bsky.social @davidaaronrosen.bsky.social · 27/06/2025
So proud of my first grad student @emilymarino178.bsky.social for knocking her F31 application out of the park. She’s well on her way to becoming an amazing scientist!
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Emily Marino @emilymarino178.bsky.social · 27/06/2025
Thank you @davidaaronrosen.bsky.social for believing in my ideas and supporting this project!
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Rosen Lab @rosenlabwashu.bsky.social · 27/06/2025
@emilymarino178.bsky.social officially received the Notice of Award for her F31!!! 🍾 Congratulations, Emily! Time to propose this project and do that thesis 😉 Emily would like to thank her current and previous mentors for their support <3
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Rosen Lab @rosenlabwashu.bsky.social · 21/06/2025
@emilymarino178.bsky.social presenting her poster today at #ASMicrobe 2025!
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Emily Marino @emilymarino178.bsky.social · 20/06/2025
Come see me at my poster today at #ASMicrobe from 10:30-11:30 and 4-5! I'll be at HMB-936 :)
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davidaaronrosen.bsky.social @davidaaronrosen.bsky.social · 18/06/2025
So proud of my group sharing their Kleb knowledge today at the ID Research Symposium!
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Rosen Lab @rosenlabwashu.bsky.social · 18/06/2025
Nathan Lin and @emilymarino178.bsky.social presenting at WashU's 2025 ID Research Symposium today. This was a preview for the locals... stayed tuned for more Emily at ASM Microbe in Los Angeles! ☀️🌴
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davidaaronrosen.bsky.social @davidaaronrosen.bsky.social · 13/06/2025
Klebsiella has met its match!
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Rosen Lab @rosenlabwashu.bsky.social · 13/06/2025
New lab pictures just dropped 👀📸 The Rosen Lab is ready to make Klebsiella walk the plank this summer 🏴‍☠️
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Rosen Lab @rosenlabwashu.bsky.social · 08/05/2025
Congratulations to our undergraduate student Nathan Lin for receiving a Fulbright research grant! Nathan will spend the next year studying the relationship between the gut microbiome and colorectal cancer at the Karolinska Institute in Sweden 🇸🇪 We're so proud!
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Rosen Lab @rosenlabwashu.bsky.social · 07/05/2025
Our staff scientist Paeton presenting her poster at the AAI conference! Great job, Paeton! Enjoy Hawaii, we miss you! 💉🌺 #aai2025
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Rosen Lab @rosenlabwashu.bsky.social · 11/04/2025
The Rosen Lab went to support our outstanding undergraduate student, Nathan Lin, who was selected to give a lightning talk at WashU's Spring Undergraduate Research Symposium! Great job, Nathan! We're proud of you!
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Rosen Lab @rosenlabwashu.bsky.social · 09/04/2025
No, she was really the brains...Congrats to @emilymarino178.bsky.social on her NSF Fellowship Honorable Mention. Way to represent the Rosen Lab. We're all so proud of you!
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