Matthew J Shepherd

@matthewjshepherd.bsky.social

Fellow at Wissenschaftskolleg zu Berlin @wiko-berlin.bsky.social - Understanding opportunistic pathogen evolution - AMR, pathogenesis, niche transitions 🧫🧬

It is so very telling that, after a decade of hollering about FREE SPEECH and DIVERSITY OF THOUGHT, when Republicans got power in Texas Universities they straight up fired people, purged departments, threw away books, and wrote rules prohibiting even talking about particular topics.

1) Being apolitical is a myth. (Hyde seems to agree.) We all approach the world with our beliefs & biases. Pretending scientists are superhuman is silly & even dangerous. Thankfully, the scientific process is set up to mitigate such biases through transparency & open debate.

Here is it! Super new science from us on horizontal gene transfer & bact defense systems! Liyana OW YONG discovered the first-of-its-kind defense factor AbjA that triggers 'abortive conjugation' as a defense mechanism, by targeting the T4SS! How neat?! #MicroSky 1/7 www.biorxiv.org/content/10.6...

biorxiv.org

Shu-Sin Chng@figlegend.bsky.social · last yr.

Extremely proud of newly minted PhD Dr Nur Liyana bte Ayub Ow Yong for her work in our lab! Some new science coming soon so stay tuned! 🎉🎉

Very much looking forward to visiting and meeting those working @mpiib-berlin.mpg.de next week, and the chance to speak about my postdoc work on within-patient AMR evolution, thanks to @keyfm.bsky.social and @mfenk.bsky.social for the kind invitation.

Max Planck Institute for Infection Biology@mpiib-berlin.mpg.de · 5mo ago

📢 Voices in Infection Biology Join us next week for a talk by Matthew J. Shepherd from @manchester.ac.uk, kindly hosted by @keyfm.bsky.social. 🗓️ March 25 🕓 4 pm 📍 on-site seminar (Berlin) Event info: www.mpiib-berlin.mpg.de/events/45077...

Within-patient evolution of ciprofloxacin resistance in Pseudomonas aeruginosa across a large-scale clinical trial 
Matthew J. Shepherd

MArch 25
4 PM 
MAX PLANCK INSTITUTE 
FOR INFECTION BIOLOGY, BERLIN

Trump does not think strategically, historically, geographically, or even rationally. He does not connect actions he takes on one day to events that occur weeks later. Allied leaders know that if they help him in the Gulf, he won't be grateful, or even remember www.theatlantic.com/ideas/2026/0...

Everyone but Trump Understands What He’s Done

Allied leaders know that any positive gesture they make will count for nothing.

theatlantic.com

Excited to share our latest work! 📝 We measured the fitness effect of 136 AMR genes and found that many are neutral or even beneficial without selection. 🤯🧬 Oxygen availability can flip their fitness and our stochastic model indicates that oxygen fluctuations help maintain them. Learn more 👇🏼

bioRxiv Microbiology@biorxiv-microbiol.bsky.social · 5mo ago

Fitness effects of antimicrobial resistance genes in changing environments https://www.biorxiv.org/content/10.64898/2026.03.06.710025v1

Predicting protein-protein interactions (PPIs) at proteome scale can take months with co-folding models due to the massive all-vs-all comparisons required. We are excited to announce FlashPPI, a contrastive learning framework that predicts proteome wide physical interfaces in minutes. 1/🧵