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Auclair Lab

@auclairlab

We explore many fields of chemistry and biology (many of them concerning enzymes). Located at McGill University, Montreal. Student-ran account: posts not by Dr. Auclair unless indicated. RP/follow ≠ endorsement. https://www.auclair-group.mcgill.ca

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21.11.2024
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Latest posts by Auclair Lab @auclairlab

Some updates:

The Auclair lab congratulates Aracelli Chang on a successful Master's thesis submission!

And we're happy to officially welcome Dr. Jacob Pierscianowski back as a post-doc! Dr. Jake defended his thesis with us last year.

04.03.2026 01:08 👍 1 🔁 0 💬 0 📌 0
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Small Molecule Restores Itaconate Sensitivity in Salmonella enterica: A Potential New Approach to Treating Bacterial Infections Become more sensitive: Although new antibiotics and resistance inhibitors provide temporary solutions to resistance, they are bound to become obsolete. In this work, we propose a new approach, coined...

One decade ago: the Auclair lab first examined small molecules to resensitize bacteria to macrophages. #chemsky #biosky

doi.org/10.1002/cbic...

25.02.2026 18:49 👍 0 🔁 0 💬 0 📌 0
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It's a full queue kind of day #chemsky

06.02.2026 14:06 👍 4 🔁 0 💬 0 📌 0
Recipients of the graduate scholarship competition – Winter 2026 Edition - PROTEO Congratulations to our scholarship winners ! Laureates – Winter 2026 Edition Master student : Joseph Descarreaux, Université Laval Christina Rossignol-Garon, Université Laval PhD students : Ilona Metayer, Polytechnique Montréal Arunima Sandeep, Université du Québec à Montréal Valentin Cerfeuillet, Université de Sherbrooke Mohamad Radwan, Université McGill Natalia Munoz Patino, Université McGill

Congratulations to Natalia for receiving a PROTEO graduate scholarship! proteo.ca/en/news-and-...

28.01.2026 19:20 👍 0 🔁 0 💬 0 📌 0
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Freezer defrosting day means freezer sorting day #chemsky

22.01.2026 17:35 👍 1 🔁 0 💬 0 📌 0
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First thiol smell of the new year. And it's not even a particularly noxious one! #chemsky

19.01.2026 16:46 👍 7 🔁 1 💬 2 📌 1
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We're officially back for the new year. The built-up freezer ice looks so neat it's almost a shame to de-ice it all.

05.01.2026 20:11 👍 0 🔁 0 💬 0 📌 0
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This is our freezer for the next few hours #chemsky

05.12.2025 18:11 👍 7 🔁 1 💬 1 📌 0
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#onthebeamlines #bacteria #salmonella #legionella #pseudomonas #yersinia #tuberculosis | Canadian Light Source Inc. / Centre canadien de rayonnement synchrotron #OnTheBeamlines: Itaconate is a small molecule our immune cells make when fighting bacteria. Some #bacteria, however, fight back: they use a three-step enzyme pathway to break down itaconate so it’s n...

Check out some of the great work being done by our collaborators in the Schmeing lab in Biochemistry!
In partnership with the Canadian Light Source's beamline, they're examining the structure and workings of itaconate-degrading enzymes.

#chemsky #biochemsky

www.linkedin.com/posts/canlig...

29.11.2025 14:39 👍 1 🔁 0 💬 0 📌 0
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Prof. Auclair presented at the McGill Interdisciplinary Initiative in Infection and Immunity (MI4) annual symposium last week!

26.11.2025 14:52 👍 4 🔁 0 💬 1 📌 1
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Come find us at @concordia.ca Loyola campus for CBGRC this Friday!

17.11.2025 15:16 👍 0 🔁 0 💬 0 📌 0
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NEW PREPRINT:

An extensive structure-activity relationship investigation of pantetheinamides and their ability to inhibit Salmonella typhimurium.

We investigate the mechanisms of action of these compounds and their use with in vivo mouse models.

doi.org/10.1101/2025...

30.10.2025 19:54 👍 2 🔁 1 💬 2 📌 0

From the Auclair lab: Dr. Jacob Pierscianowski, Dr. Dustin Duncan, Dr. Blue Lan, Dr. Rohit Kholiya, Suzana Diaconescu-Grabari, Ahmed B. Abdelaal, Aracelli Chang, Shay Heans, Dr. Sanjay Campbell, Dr. Alexandre Pierret.

With collaboration from the groups of Profs. Schmeing, Findlay, and Lupien.

30.10.2025 19:54 👍 0 🔁 0 💬 0 📌 0
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NEW PREPRINT:

An extensive structure-activity relationship investigation of pantetheinamides and their ability to inhibit Salmonella typhimurium.

We investigate the mechanisms of action of these compounds and their use with in vivo mouse models.

doi.org/10.1101/2025...

30.10.2025 19:54 👍 2 🔁 1 💬 2 📌 0
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Here's some more balanced centrifuge arrangements #chemsky

23.10.2025 14:24 👍 2 🔁 0 💬 0 📌 0

We're incredibly proud to announce Dr. Jacob Pierscianowski has officially defended his PhD thesis!
Congratulations to Dr. Jake on the amazing work.

10.10.2025 18:40 👍 1 🔁 0 💬 0 📌 0
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Good Wordle yesterday.

08.10.2025 15:38 👍 0 🔁 0 💬 0 📌 0

Update: purified it anyways. Fraction looks reasonably pure. Now let's see the activity tests. #chemsky

04.10.2025 22:12 👍 1 🔁 0 💬 0 📌 0

The Auclair Lab welcomes two new members!

Maya Gaylor, co-supervised by Prof. Lupien in Microbiology and Immunology, will be working on our antimicrobial projects.

Dr. Alana Rangaswamy is a recent graduate from the Keillor lab @uottawa.ca and will focus on enzyme and depolymerization efforts.

03.10.2025 18:10 👍 0 🔁 0 💬 0 📌 0

Admin got up yesterday at 7 in the morning to perform a transformation that probably didn't work. One (1) colony on the plates. This is the #chembiosky life.

23.09.2025 15:08 👍 1 🔁 0 💬 0 📌 1

Fun fact: we scheduled our lab cleanup day a few weeks ago, and the second we finished up, we got a notification that we were having a safety inspection the very next Monday.

Talk about good timing #chemsky

19.09.2025 22:11 👍 8 🔁 0 💬 0 📌 0
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Many members of the Auclair lab hosted and attended the student-led Careers After Chemistry conference! #CAC2025 #chemsky

12.09.2025 20:52 👍 0 🔁 0 💬 0 📌 0
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Literal green chemistry #chemsky

10.09.2025 17:11 👍 4 🔁 1 💬 0 📌 0
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Doing a little setup for our new baby 👀

04.09.2025 13:23 👍 0 🔁 0 💬 0 📌 0

New instrument 🔜🔜🔜

03.09.2025 16:23 👍 0 🔁 0 💬 0 📌 0
Register | CAC 2025

Sign up for McGill Chemistry's Careers After Chemistry 2025 conference! Registration ends September 5.

cacmcgill.wixsite.com/cac2025/regi...

29.08.2025 17:58 👍 0 🔁 0 💬 0 📌 0
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The Auclair lab went tree trekking recently! Super fun teambuilding exercise.

28.08.2025 14:34 👍 0 🔁 0 💬 0 📌 0
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Very happy to meet 2020 Nobel Prize laureate @e-charpentier.bsky.social at @ircm.bsky.social!

20.08.2025 14:48 👍 2 🔁 0 💬 0 📌 0
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‼️NEW PAPER ALERT

In Antimicrobial Agents and Chemotherapy, we replace an enzyme-vulnerable amide bond with a thiazole to produce potent antiplasmodial and antimalarial pantothenamide mimics. A collaboration between the Auclair lab @mcgill.ca and the Saliba lab at ANU.
doi.org/10.1128/aac....
🧵

13.08.2025 17:10 👍 1 🔁 1 💬 1 📌 1

Another day, another paper 😌

13.08.2025 17:13 👍 4 🔁 1 💬 0 📌 0