Julien Luneau
@juliensluneau.bsky.social
🇲🇫 Postdoc at the University of Lausanne 🇨🇭
Plant-Microbiota-Pathogen interactions | Bacterial Ecology | Microfluidics | Single-cell imaging | Systems biology
https://julienluneau.com
Plant-Microbiota-Pathogen interactions | Bacterial Ecology | Microfluidics | Single-cell imaging | Systems biology
https://julienluneau.com
Pinned
How Bacteria Outsmart Plants—Then Flee the Scene!
#MicroSky #PlantScience #Pseudomonas
Our new research in Nature Microbiology uncovers the sophisticated teamwork of Pseudomonas syringae, a notorious plant pathogen.
🔗 rdcu.be/egczU
#MicroSky #PlantScience #Pseudomonas
Our new research in Nature Microbiology uncovers the sophisticated teamwork of Pseudomonas syringae, a notorious plant pathogen.
🔗 rdcu.be/egczU
Pseudomonas syringae subpopulations cooperate by coordinating flagellar and type III secretion spatiotemporal dynamics to facilitate plant infection
Nature Microbiology - Single-cell gene expression analysis reveals phenotypic heterogeneity to enable bacterial specialization over the course of plant colonization.
rdcu.be
Great to see this out! 🎉 Big congratulations to @type3lab.bsky.social for leading the project and to all involved!
"Pseudomonas syringae subpopulations cooperate by coordinating flagellar and T3SS spatiotemporal dynamics to facilitate plant infection" 🌱🦠 rdcu.be/egczU
🧵⬇️ #MicroSky #PlantScience
"Pseudomonas syringae subpopulations cooperate by coordinating flagellar and T3SS spatiotemporal dynamics to facilitate plant infection" 🌱🦠 rdcu.be/egczU
🧵⬇️ #MicroSky #PlantScience
Reposted by Julien Luneau
Very excited to see our @nikogeldner.bsky.social lab x Feng Zhou lab work featured on the cover of Science!
(1/5) We reveal how root architecture and nutrient leakage shape spatial patterns of microbial colonization, moving beyond traditional models of uniform exudation.
(1/5) We reveal how root architecture and nutrient leakage shape spatial patterns of microbial colonization, moving beyond traditional models of uniform exudation.
Using precise spatial and temporal analysis, researchers in Science provide insight into how bacteria around the root interact both with the plant and with each other.
Learn more in this week's issue: https://scim.ag/3WgNajk
Learn more in this week's issue: https://scim.ag/3WgNajk
October 2, 2025 at 10:35 PM
Very excited to see our @nikogeldner.bsky.social lab x Feng Zhou lab work featured on the cover of Science!
(1/5) We reveal how root architecture and nutrient leakage shape spatial patterns of microbial colonization, moving beyond traditional models of uniform exudation.
(1/5) We reveal how root architecture and nutrient leakage shape spatial patterns of microbial colonization, moving beyond traditional models of uniform exudation.
Congrats Snorre!!! 👏 It's great to see this coming out 🎉
and thank you for giving the chance to be a (small) part of this very cool work!
"Microbes release lower-value metabolites at higher rates" 🦠
and thank you for giving the chance to be a (small) part of this very cool work!
"Microbes release lower-value metabolites at higher rates" 🦠
Excited to share the first results from my postdoc at @dmf-unil.bsky.social with @saramitri.bsky.social
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Microbes release lower-value metabolites at higher rates
Microbes release a wide range of metabolites into their environment, yet the reasons for this release and the factors that influence release rates are not well understood. Here, using a combination of...
www.biorxiv.org
August 20, 2025 at 9:48 AM
Congrats Snorre!!! 👏 It's great to see this coming out 🎉
and thank you for giving the chance to be a (small) part of this very cool work!
"Microbes release lower-value metabolites at higher rates" 🦠
and thank you for giving the chance to be a (small) part of this very cool work!
"Microbes release lower-value metabolites at higher rates" 🦠
Reposted by Julien Luneau
Thrilled to share our new paper in @science.org describing our discovery that bacteria can switch from competitors to bonafide predators when resources run dry—arming nanoscale “spears” (T6SS) to stab & consume neighbours.
www.science.org/doi/10.1126/...
#MicroSKy #Microbiology
www.science.org/doi/10.1126/...
#MicroSKy #Microbiology
Antagonism as a foraging strategy in microbial communities
In natural habitats, nutrient availability limits bacterial growth. We discovered that bacteria can overcome this limitation by acquiring nutrients by lysing neighboring cells through contact-dependen...
www.science.org
June 13, 2025 at 5:39 AM
Thrilled to share our new paper in @science.org describing our discovery that bacteria can switch from competitors to bonafide predators when resources run dry—arming nanoscale “spears” (T6SS) to stab & consume neighbours.
www.science.org/doi/10.1126/...
#MicroSKy #Microbiology
www.science.org/doi/10.1126/...
#MicroSKy #Microbiology
Reposted by Julien Luneau
New tenure track assistant professor position in molecular microbiology in our department @dmf-unil.bsky.social @unil.bsky.social! We are casting a wide net for an experimental molecular microbiologist. Apply here: wwwfbm.unil.ch/releve/appli...
DMF: Tenure Track Assistant Professor towards Associate Professor in Molecular Microbiology - Site des postulations FBM
wwwfbm.unil.ch
June 10, 2025 at 1:53 PM
New tenure track assistant professor position in molecular microbiology in our department @dmf-unil.bsky.social @unil.bsky.social! We are casting a wide net for an experimental molecular microbiologist. Apply here: wwwfbm.unil.ch/releve/appli...
Reposted by Julien Luneau
Pint of Science was again a great success in Lausanne, with >500 people attending our events!
Kudos to co-coordinators @miriamlisci.bsky.social and @juliensluneau.bsky.social, and to the fantastic team of 19 volunteers at the bars 🥳!
#PINT25 #scicomm
Kudos to co-coordinators @miriamlisci.bsky.social and @juliensluneau.bsky.social, and to the fantastic team of 19 volunteers at the bars 🥳!
#PINT25 #scicomm
May 24, 2025 at 9:07 AM
Pint of Science was again a great success in Lausanne, with >500 people attending our events!
Kudos to co-coordinators @miriamlisci.bsky.social and @juliensluneau.bsky.social, and to the fantastic team of 19 volunteers at the bars 🥳!
#PINT25 #scicomm
Kudos to co-coordinators @miriamlisci.bsky.social and @juliensluneau.bsky.social, and to the fantastic team of 19 volunteers at the bars 🥳!
#PINT25 #scicomm
Reposted by Julien Luneau
Excited to share my new Tansley Review @newphyt.bsky.social on emerging single-cell and spatial omics technologies, many of which are just beginning to be applied in plant biology! Big opportunities lie ahead for the field. [1/n]
nph.onlinelibrary.wiley.com/doi/10.1111/...
nph.onlinelibrary.wiley.com/doi/10.1111/...
Exploring the untapped potential of single‐cell and spatial omics in plant biology
Advances in single-cell and spatial omics technologies have revolutionised biology by revealing the diverse molecular states of individual cells and their spatial organization within tissues. The fie...
nph.onlinelibrary.wiley.com
May 22, 2025 at 6:46 AM
Excited to share my new Tansley Review @newphyt.bsky.social on emerging single-cell and spatial omics technologies, many of which are just beginning to be applied in plant biology! Big opportunities lie ahead for the field. [1/n]
nph.onlinelibrary.wiley.com/doi/10.1111/...
nph.onlinelibrary.wiley.com/doi/10.1111/...
Reposted by Julien Luneau
3 nights, 3 venues, 2 languages, 27 (!) speakers, this is Pint of Science 2025 in LAUSANNE.
📌 19-21 May 2025 🧬🔭
🌐https://pintofscience.ch/events/lausanne
Free entry 🧠 just come quench your thirst for knowledge!
@pintsworld.bsky.social @icepfl.bsky.social @unil.bsky.social
#pint25 #pintCH
📌 19-21 May 2025 🧬🔭
🌐https://pintofscience.ch/events/lausanne
Free entry 🧠 just come quench your thirst for knowledge!
@pintsworld.bsky.social @icepfl.bsky.social @unil.bsky.social
#pint25 #pintCH
April 27, 2025 at 3:53 PM
3 nights, 3 venues, 2 languages, 27 (!) speakers, this is Pint of Science 2025 in LAUSANNE.
📌 19-21 May 2025 🧬🔭
🌐https://pintofscience.ch/events/lausanne
Free entry 🧠 just come quench your thirst for knowledge!
@pintsworld.bsky.social @icepfl.bsky.social @unil.bsky.social
#pint25 #pintCH
📌 19-21 May 2025 🧬🔭
🌐https://pintofscience.ch/events/lausanne
Free entry 🧠 just come quench your thirst for knowledge!
@pintsworld.bsky.social @icepfl.bsky.social @unil.bsky.social
#pint25 #pintCH
Reposted by Julien Luneau
We present MetaFlowTrain, an easy-to-build, highly parallelized, and cost-effective fluidic system for studying microbial exometabolites and their roles in modulating microbe–microbe–host interactions. Kudos to @chesneau-g.bsky.social @mpipz.bsky.social
Give it a try: www.nature.com/articles/s41...
Give it a try: www.nature.com/articles/s41...
April 10, 2025 at 9:59 AM
We present MetaFlowTrain, an easy-to-build, highly parallelized, and cost-effective fluidic system for studying microbial exometabolites and their roles in modulating microbe–microbe–host interactions. Kudos to @chesneau-g.bsky.social @mpipz.bsky.social
Give it a try: www.nature.com/articles/s41...
Give it a try: www.nature.com/articles/s41...
Great to see this out! 🎉 Big congratulations to @type3lab.bsky.social for leading the project and to all involved!
"Pseudomonas syringae subpopulations cooperate by coordinating flagellar and T3SS spatiotemporal dynamics to facilitate plant infection" 🌱🦠 rdcu.be/egczU
🧵⬇️ #MicroSky #PlantScience
"Pseudomonas syringae subpopulations cooperate by coordinating flagellar and T3SS spatiotemporal dynamics to facilitate plant infection" 🌱🦠 rdcu.be/egczU
🧵⬇️ #MicroSky #PlantScience
How Bacteria Outsmart Plants—Then Flee the Scene!
#MicroSky #PlantScience #Pseudomonas
Our new research in Nature Microbiology uncovers the sophisticated teamwork of Pseudomonas syringae, a notorious plant pathogen.
🔗 rdcu.be/egczU
#MicroSky #PlantScience #Pseudomonas
Our new research in Nature Microbiology uncovers the sophisticated teamwork of Pseudomonas syringae, a notorious plant pathogen.
🔗 rdcu.be/egczU
Pseudomonas syringae subpopulations cooperate by coordinating flagellar and type III secretion spatiotemporal dynamics to facilitate plant infection
Nature Microbiology - Single-cell gene expression analysis reveals phenotypic heterogeneity to enable bacterial specialization over the course of plant colonization.
rdcu.be
April 4, 2025 at 9:55 AM
Great to see this out! 🎉 Big congratulations to @type3lab.bsky.social for leading the project and to all involved!
"Pseudomonas syringae subpopulations cooperate by coordinating flagellar and T3SS spatiotemporal dynamics to facilitate plant infection" 🌱🦠 rdcu.be/egczU
🧵⬇️ #MicroSky #PlantScience
"Pseudomonas syringae subpopulations cooperate by coordinating flagellar and T3SS spatiotemporal dynamics to facilitate plant infection" 🌱🦠 rdcu.be/egczU
🧵⬇️ #MicroSky #PlantScience
Reposted by Julien Luneau
There is still time to apply to the Alma Dal Co School on Collective Behaviour! The deadline has been extended till March 16th. We would especially welcome applications from members of underrepresented groups. Limited travel grants are available. Apply now and join us! almadalcoschool.github.io
February 27, 2025 at 7:56 AM
There is still time to apply to the Alma Dal Co School on Collective Behaviour! The deadline has been extended till March 16th. We would especially welcome applications from members of underrepresented groups. Limited travel grants are available. Apply now and join us! almadalcoschool.github.io
Reposted by Julien Luneau
Two (!) perspective pieces published today involving people from our lab! @adelpanta.bsky.social on spatial patterning in microbial communities www.nature.com/articles/s41... and @salazarafra.bsky.social on microbial communities as evolutionary individuals www.sciencedirect.com/science/arti...
Disentangling the feedback loops driving spatial patterning in microbial communities - npj Biofilms and Microbiomes
npj Biofilms and Microbiomes - Disentangling the feedback loops driving spatial patterning in microbial communities
www.nature.com
February 20, 2025 at 2:41 PM
Two (!) perspective pieces published today involving people from our lab! @adelpanta.bsky.social on spatial patterning in microbial communities www.nature.com/articles/s41... and @salazarafra.bsky.social on microbial communities as evolutionary individuals www.sciencedirect.com/science/arti...
Reposted by Julien Luneau
➡️ New insights into the evolution of the vascular pathogen Xanthomonas campestris involving the genome defense system CRISPR-Cas! www.cell.com/current-biol... Our data wizard 🪄@mpaauw.bsky.social sequenced almost 100 genomes and this is what he found … /
Evolution of a vascular plant pathogen is associated with the loss of CRISPR-Cas and an increase in genome plasticity and virulence genes
Paauw et al. report on the evolution of a plant pathogenic Xanthomonas pathovar and
show that the gain of mobile genetic elements and virulence factors coincided with
the loss of the CRISPR-Cas genome...
www.cell.com
February 10, 2025 at 4:18 PM
➡️ New insights into the evolution of the vascular pathogen Xanthomonas campestris involving the genome defense system CRISPR-Cas! www.cell.com/current-biol... Our data wizard 🪄@mpaauw.bsky.social sequenced almost 100 genomes and this is what he found … /
Reposted by Julien Luneau
It is with great pleasure that I inaugurate my Bluesky account sharing our last @biorxiv-plants.bsky.social at @theustunlab.bsky.social, about pathogen-mediated modulation of host P-bodies and translation. 🆕 🎉
www.biorxiv.org/content/10.1...
🧵 (1/14)
www.biorxiv.org/content/10.1...
🧵 (1/14)
January 15, 2025 at 5:59 PM
It is with great pleasure that I inaugurate my Bluesky account sharing our last @biorxiv-plants.bsky.social at @theustunlab.bsky.social, about pathogen-mediated modulation of host P-bodies and translation. 🆕 🎉
www.biorxiv.org/content/10.1...
🧵 (1/14)
www.biorxiv.org/content/10.1...
🧵 (1/14)
Reposted by Julien Luneau
New year, new paper! Now published in @nature.com. We identified and characterised diverse immune cell states in plants under pathogen attack. My postdoc work in the Ecker lab at @salkinstitute.bsky.social. A thread (0/n)
#PlantScience
www.nature.com/articles/s41...
#PlantScience
www.nature.com/articles/s41...
January 8, 2025 at 4:27 PM
New year, new paper! Now published in @nature.com. We identified and characterised diverse immune cell states in plants under pathogen attack. My postdoc work in the Ecker lab at @salkinstitute.bsky.social. A thread (0/n)
#PlantScience
www.nature.com/articles/s41...
#PlantScience
www.nature.com/articles/s41...
Reposted by Julien Luneau
Our framework explaining why ecological interactions change between contexts is out in Ecology Letters!
A lovely collaboration with @saramitri.bsky.social which provides experimentally-testable links between the physiology and ecology of microbes.
onlinelibrary.wiley.com/doi/10.1111/...
A lovely collaboration with @saramitri.bsky.social which provides experimentally-testable links between the physiology and ecology of microbes.
onlinelibrary.wiley.com/doi/10.1111/...
Environment‐Organism Feedbacks Drive Changes in Ecological Interactions
Ecological interactions are central to our understanding of the composition and function of communities, but attempts to use them as a theoretical foundation for experimental ecology have been confou....
onlinelibrary.wiley.com
January 2, 2025 at 10:53 AM
Our framework explaining why ecological interactions change between contexts is out in Ecology Letters!
A lovely collaboration with @saramitri.bsky.social which provides experimentally-testable links between the physiology and ecology of microbes.
onlinelibrary.wiley.com/doi/10.1111/...
A lovely collaboration with @saramitri.bsky.social which provides experimentally-testable links between the physiology and ecology of microbes.
onlinelibrary.wiley.com/doi/10.1111/...
Reposted by Julien Luneau
Soil microbiomes show consistent and predictable responses to extreme events
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
Soil microbiomes show consistent and predictable responses to extreme events - Nature
Soils from 30 grasslands across Europe were subjected to 4 contrasting extreme climatic events under drought, flood, freezing and heat conditions, with the results suggesting that soil microbiomes fro...
doi.org
November 27, 2024 at 6:29 PM
Soil microbiomes show consistent and predictable responses to extreme events
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
We’re out in Nature !! doi.org/ntzk Very exciting for my first bluesky post! – it’s been a long haul by an excellent team from across Europe, led by @frantecol.bsky.social
Reposted by Julien Luneau
Exciting times! Our latest preprint is now live 🤩!
After nearly 16 yrs of running my lab, I truly believe this is one of the most significant contributions we've made. It offers fresh hypotheses about how pandemic Vibrio cholerae spreads globally. Let’s dive in!🧵..1/n
www.biorxiv.org/content/10.1...
After nearly 16 yrs of running my lab, I truly believe this is one of the most significant contributions we've made. It offers fresh hypotheses about how pandemic Vibrio cholerae spreads globally. Let’s dive in!🧵..1/n
www.biorxiv.org/content/10.1...
Diverse phage defence systems define West African South American pandemic Vibrio cholerae
Our understanding of the factors underlying the evolutionary success of different lineages of pandemic Vibrio cholerae remains incomplete. Interestingly, two unique genetic signatures define the West ...
www.biorxiv.org
November 25, 2024 at 2:27 PM
Exciting times! Our latest preprint is now live 🤩!
After nearly 16 yrs of running my lab, I truly believe this is one of the most significant contributions we've made. It offers fresh hypotheses about how pandemic Vibrio cholerae spreads globally. Let’s dive in!🧵..1/n
www.biorxiv.org/content/10.1...
After nearly 16 yrs of running my lab, I truly believe this is one of the most significant contributions we've made. It offers fresh hypotheses about how pandemic Vibrio cholerae spreads globally. Let’s dive in!🧵..1/n
www.biorxiv.org/content/10.1...
Reposted by Julien Luneau
Spatially restricted immune and microbiota-driven adaptation of the gut www.nature.com/articles/s41...
Spatially restricted immune and microbiota-driven adaptation of the gut - Nature
Intestinal regionalization is characterized by robust and resilient structural cell states and the intestine can adapt to environmental stress in a spatially controlled manner through crosstalk betwee...
www.nature.com
November 20, 2024 at 5:03 PM
Spatially restricted immune and microbiota-driven adaptation of the gut www.nature.com/articles/s41...
Reposted by Julien Luneau
I initiated a plant pathology/plant microbe starter pack, feel free to self-nominate 🥀
go.bsky.app/LbYaW8k
go.bsky.app/LbYaW8k
November 10, 2024 at 6:29 PM
I initiated a plant pathology/plant microbe starter pack, feel free to self-nominate 🥀
go.bsky.app/LbYaW8k
go.bsky.app/LbYaW8k
Reposted by Julien Luneau
Our bacterial community breeding experiment is now published! doi.org/10.1038/s414... Huge congratulations to Flora, Björn and all co-authors on making a very ambitious project a reality! In short: you can select communities to improve pollutant degradation (with caveats)
Artificial selection improves pollutant degradation by bacterial communities - Nature Communications
Artificial selection is a promising way to improve microbial community functions. Here, Arias-Sánchez et al. evaluate a method inspired by genetic algorithms to select small bacterial communities of k...
doi.org
September 12, 2024 at 1:23 PM
Our bacterial community breeding experiment is now published! doi.org/10.1038/s414... Huge congratulations to Flora, Björn and all co-authors on making a very ambitious project a reality! In short: you can select communities to improve pollutant degradation (with caveats)
Reposted by Julien Luneau
We're looking for an enthusiastic experimentalist PhD student to join our interdisciplinary group interested in the ecology & evolution of microbial communities unil.ch/mitrilab. Apply tinyurl.com/mu5swnk8 before Aug 31! Bonus: Lausanne is a beautiful place to live!
July 11, 2024 at 7:40 AM
We're looking for an enthusiastic experimentalist PhD student to join our interdisciplinary group interested in the ecology & evolution of microbial communities unil.ch/mitrilab. Apply tinyurl.com/mu5swnk8 before Aug 31! Bonus: Lausanne is a beautiful place to live!
Reposted by Julien Luneau
Almost a decade after proposing this experiment in a grant application, we have a preprint! A huge experiment by
Philippe Piccardi with many helping hands to generate and analyze the data especially genomic & transcriptomic analysis by Eric Ulrich! www.biorxiv.org/content/10.1...
Philippe Piccardi with many helping hands to generate and analyze the data especially genomic & transcriptomic analysis by Eric Ulrich! www.biorxiv.org/content/10.1...
February 26, 2024 at 3:08 PM
Almost a decade after proposing this experiment in a grant application, we have a preprint! A huge experiment by
Philippe Piccardi with many helping hands to generate and analyze the data especially genomic & transcriptomic analysis by Eric Ulrich! www.biorxiv.org/content/10.1...
Philippe Piccardi with many helping hands to generate and analyze the data especially genomic & transcriptomic analysis by Eric Ulrich! www.biorxiv.org/content/10.1...
Reposted by Julien Luneau
A really useful and nicely done review about microfluidics and their use in ecological studies. 'Microfluidic Approaches in Microbial Ecology' - now published in Lab on a Chip.
pubs.rsc.org/en/content/a...
pubs.rsc.org/en/content/a...
Microfluidic approaches in microbial ecology
Microbial life is at the heart of many diverse environments and regulates most natural processes, from the functioning of animal organs to the cycling of global carbon. Yet, the study of microbial eco...
pubs.rsc.org
February 14, 2024 at 12:52 PM
A really useful and nicely done review about microfluidics and their use in ecological studies. 'Microfluidic Approaches in Microbial Ecology' - now published in Lab on a Chip.
pubs.rsc.org/en/content/a...
pubs.rsc.org/en/content/a...
Reposted by Julien Luneau
Amazing to see this finally out!!From competition to collaboration: we show how 2 bacterial species that compete for a carbon source can interact positively in a toxic environment, with one species removing ROS to the benefit of the other plos.io/3SOvRnZ congrats Aurore Picot & Rita Di Martino
February 6, 2024 at 2:44 PM
Amazing to see this finally out!!From competition to collaboration: we show how 2 bacterial species that compete for a carbon source can interact positively in a toxic environment, with one species removing ROS to the benefit of the other plos.io/3SOvRnZ congrats Aurore Picot & Rita Di Martino
Reposted by Julien Luneau
Interested in how phages deal with dormant bacteria? After a looong and difficult peer review our paper by Enea Maffei and colleagues has finally been published: www.nature.com/articles/s41...
January 2, 2024 at 9:59 PM
Interested in how phages deal with dormant bacteria? After a looong and difficult peer review our paper by Enea Maffei and colleagues has finally been published: www.nature.com/articles/s41...