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Marie Christine Groleau

@mariecg.bsky.social

9 Posts33 Follower35 Folgt
Eric Déziel@dezieleric.bsky.social · 3mo ago

we have this new paper out. Congratulations to my amazing research associate @mariecg.bsky.social for the great work! doi.org/10.1128/aem....

Cranberry juice potentiates sensitivity of uropathogenic Escherichia coli (UPEC) strains to fosfomycin and decreases occurrence of spontaneous resistance | Applied and Environmental Microbiology

Antimicrobial resistance is a growing threat to public health, and new strategies are needed to preserve the activity of existing antibiotics. This study reveals that cranberry juice, a widely consume...

doi.org

Victor de Lorenzo (CNB, Madrid)@vdlorenzo.bsky.social · 6mo ago

How do you react when your favorite microbe is renamed by taxonomists who are completely outside your field—and who ignore the community that actually works with it? Here is our clear answer re the case of Pseudomonas putida KT2440 👉🏻 journals.asm.org/doi/10.1128/...

The disputed identity of Pseudomonas putida KT2440: when taxonomists rename your favorite microbe | mBio

Names matter; they are not mere labels. They operate as anchors of memory, social coordinates, and references of collective identity. When a name becomes established through long-term use and broad ad...

journals.asm.org

Ben Williamson@benpatrickwill.bsky.social · 8mo ago

Closing out my year with a journal editor shocker 🧵 Checking new manuscripts today I reviewed a paper attributing 2 papers to me I did not write. A daft thing for an author to do of course. But intrigued I web searched up one of the titles and that's when it got real weird...

Ajai Dandekar@ajaidandekar.bsky.social · 10mo ago

New lab paper! Andrew Frando describes how MexT alters the quorum sensing cascade in P. aeruginosa. /1 With Nicole Smalley; two undergraduates, Jamal Omar and Bobby Parsek; and @dezieleric.bsky.social, @mariecg.bsky.social, and Mylène Trottier at INRS in Montreal journals.asm.org/doi/10.1128/...

Modulation of the Pseudomonas aeruginosa quorum sensing cascade by MexT-regulated factors | mBio

Bacteria interact with both abiotic and biotic factors in their environment. Quorum sensing (QS) is one mechanism that bacteria use to communicate with other bacteria and coordinate behaviors in the p...

journals.asm.org

Eric Déziel@dezieleric.bsky.social · 11mo ago

What to know more about #biosurfactants but do not know where to start? We are publishing a «Primer» on the topic! Great contribution from PhD student Maude Dagenais Roy www.microbiologyresearch.org/content/jour... Thanks to @microbiologysociety.org

Microbial Primer: Biosurfactants – the ABCs of microbial surface-active metabolites

Microbial surfactants (biosurfactants) are low-molecular-weight amphiphilic secondary metabolites synthesized by a wide range of micro-organisms, including bacteria, yeasts and fungi. These compounds ...

microbiologyresearch.org

Eric Déziel@dezieleric.bsky.social · last yr.

Great new resource for Quorum sensing enthusiasts: a database linking LuxI-type synthases to their AHLs journals.asm.org/doi/full/10....

RefAHL: a curated quorum sensing reference linking diverse LuxI-type signal synthases with their acyl-homoserine lactone products | Microbiology Resource Announcements

Many bacteria use acyl-homoserine lactone (AHL) signal compounds, produced by the LuxI-family of synthases and detected by the LuxR-family of transcriptional regulators, in cell density-dependent gene...

journals.asm.org

Sebastian S. Cocioba@atinygreencell.bsky.social · last yr.

I got hit by some rather sudden and extreme financial hardship so if anyone is in need of remote wetlab contract research, strictly BSL1, do let me know. Currently scrambling for gigs. Plant, Bacterial, Archaeal Non-model Bioeng Custom Lab Hardware Turn Key Genetic Design Please repost for reach 💚

Institut national de la recherche scientifique@inrsciences.bsky.social · last yr.

Au total, les professeurs Eric Déziel et Étienne Yergeau reçoivent un soutien financier de 2,8 M$ du Programme des chaires de recherche du Canada qui appuie des chercheuses et chercheurs parmi les plus prometteurs et les plus accomplis au monde. inrs.ca/actualites/d...

Deux nouvelles chaires de recherche en microbiologie à l’INRS

Deux nouvelles chaires de recherche du Canada pour étudier les interactions microbiennes et leur impact sur la santé et l’environnement.

inrs.ca

Ákos T Kovács@evolvedbiofilm.bsky.social · last yr.

Colony morphotype variation in Burkholderia: implications for success of applications and therapeutics #JBacteriol by @pmlcoulon.bsky.social et al journals.asm.org/doi/10.1128/...

Colony morphotype variation in Burkholderia: implications for success of applications and therapeutics | Journal of Bacteriology

The Burkholderia genus, comprising over 90 species (1, 2), is a member of the β-proteobacteria subphylum and is widely distributed in various environments such as the atmosphere, soil, water, plant rh...

journals.asm.org

@pbbeauregard.bsky.social · last yr.

Réservez les dates! Le BiSP (bactériologie intégrative, symbiose et pathogénèse) aura lieu le 5 et 6 novembre à l'Université de Sherbrooke - un événement qui sera en "symbiose" avec le MicrHub, rencontre annuelle de tous les microbiologistes de Sherbrooke. À ne pas manquer!

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Institut national de la recherche scientifique@inrsciences.bsky.social · last yr.

Le professeur Éric Déziel fait figure de pionnier dans l’étude des #biosurfactants. Avec son équipe, il a mis au point une méthode innovante d'évolution dirigée, inspirée de la sélection naturelle, pour améliorer leur production et rendre leur utilisation plus accessible. inrs.ca/actualites/l...

La sélection naturelle au service de produits nettoyants plus écologiques ?

Une étude de l'INRS sur la sélection naturelle ouvre la voie à des avancées très prometteuses dans le secteur des biosurfactants

inrs.ca

Eric Déziel@dezieleric.bsky.social · last yr.

The International Workshop on ‘Cell-cell communication in bacteria’ (CCCB25) to be held in Trieste, Italy, October 28-30 2025 is now open for abstract submission and registration www.icgeb.org/cell-cell-co... Some abstracts will be selected for oral presentations. #quorum-sensing

Arturo Falaschi Conference “Cell-cell communication in bacteria: new insights and future trends”

Trieste, Italy 28 – 30 October 2025 – CALL FOR APPLICATIONS AND REGISTRATIONS NOW OPEN

icgeb.org

Eric Déziel@dezieleric.bsky.social · last yr.

A new line of research in the lab over recent years! We start with a review article, by postdoc Nasim Sedighian as lead author - Ecofriendly Control Strategies Against Clavibacter michiganensis, the Causal Agent of Bacterial Canker of Tomato | Plant Disease apsjournals.apsnet.org/doi/10.1094/...

Ecofriendly Control Strategies Against Clavibacter michiganensis, the Causal Agent of Bacterial Canker of Tomato | Plant Disease

Bacterial canker of tomato, caused by the pathogenic Gram-positive bacterium Clavibacter michiganensis, represents a serious threat to tomato growers worldwide. Diverse approaches have been reported t...

apsjournals.apsnet.org

Eric Déziel@dezieleric.bsky.social · last yr.

New paper out! Phenotypic variation is a feature of several Burkholderia species. We found that quorum sensing and adenosine DNA methylation are two antagonistic systems independently controlling phase variation in B. ambifaria. Great work by @pmlcoulon.bsky.social journals.asm.org/doi/10.1128/...

Quorum sensing and DNA methylation play active roles in clinical Burkholderia phase variation | Journal of Bacteriology

Some Burkholderia species are pathogenic to plants, animals, or humans. In immunocompromised individuals, and people suffering from cystic fibrosis, infection from the Burkholderia cepacia complex (Bc...

journals.asm.org