Lauren Hemara
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hemara.nz
Lauren Hemara
@hemara.nz
🦠 Postdoc in the Microbiome Manipulation Lab @ University of Toronto

🥝 Previously studying plant pathogen evolution with everyone's favourite P. syringae pathovar - Psa! ✨

🌿 hemara.nz
Reposted by Lauren Hemara
New @genomejournal.bsky.social special collection “Early Leads: Plant Biology Side Projects with Big Potential”. We’re looking for short, self-contained studies with big impact. Deadline July 31st, 2026. OA, no pub. fees, ECRs!
Questions? Reach out to us (Olivia and @zoejolylopez.bsky.social)
October 30, 2025 at 2:11 PM
Delighted to present on behalf of the BENEFIT project in the Climate-Smart Agriculture and Food Systems showcase @ Cultivating Resilience summit this week! (+ a lightening talk + a poster, for completeness' sake...) 🦠🌱
October 31, 2025 at 11:35 AM
Reposted by Lauren Hemara
Here’s published version of our manuscript using GWAS to investigate tailocin sensitivity in Pseudomonas syringae. TL:DR pretty clear LPS is tailocin receptor but also that P.syringae often completely swaps out its entire O antigen biosynth pathway w/ recombination

academic.oup.com/g3journal/ad...
Genomic correlates of tailocin sensitivity in Pseudomonas syringae
Abstract. Phage-derived bacteriocins, also referred to as tailocins, are structures encoded by bacterial genomes and deployed into the extracellular enviro
academic.oup.com
October 6, 2025 at 6:57 PM
Reposted by Lauren Hemara
Two new positions are available at the MPI for Evolutionary Biology to support development of our genomics facility. Both stand to become permanent. Both offer a ton of opportunity to engage in a wide range of creative science.

Pls repost 🙏

www.evolbio.mpg.de/3838377/job_...
Two full-time positions | Bioinformatician (m/f/d) + Applications Specialist (m/f/d) - Molecular Biology
The Genome Facility at the Max Planck Institute for Evolutionary Biology in Plön is seeking to fill two positions (full time) to support and expand our core facility services.
www.evolbio.mpg.de
October 6, 2025 at 11:17 AM
Reposted by Lauren Hemara
Editor’s Pick: Terrence H. Bell et al. believe that there is no single “best” approach to iterative microbiome passaging but that experimental design choices can have substantial impacts on outcomes. Learn more: https://doi.org/10.1094/PBIOMES-11-24-0113-P
September 30, 2025 at 6:50 PM
Reposted by Lauren Hemara
1/2 What's best: a field-first or lab-first approach? No easy answers but differences between lab and field should not be seen as failure but motivate further inquiry and allow complementary discovery. Read our thoughts on this here:
www.sciencedirect.com/science/arti...
Lab to field: Challenges and opportunities for plant biology
Plant-microbe research offers many choices of model and strain and whether a field-first or lab-first approach is best. However, differences between l…
www.sciencedirect.com
August 14, 2025 at 3:44 PM
Reposted by Lauren Hemara
We are proud to announce the Keynote Speakers for ISME20, held in Auckland, New Zealand, from 16 - 21 August 2026! These eight internationally renowned microbial ecologists will each give a 45-minute presentation at the symposium.
View them on isme-microbes.org/isme20-keyno...
#isme20
August 14, 2025 at 4:27 PM
Reposted by Lauren Hemara
Happy to share the first paper from my lab! We wrote a review on bacterial plant pathogen evolution 🧫 🌱 www.sciencedirect.com/science/arti... @microsky.bsky.social @plantsky.bsky.social
From genes to epidemics: Genomic insights into bacterial plant pathogen emergence
Bacterial phytopathogens are major causal agents of newly emerging plant diseases. The roles of both agricultural practices and the alteration of bact…
www.sciencedirect.com
August 7, 2025 at 5:49 PM
Reposted by Lauren Hemara
Published in Nature today! Here, we sought to systematically ask how natural community's metabolism changes with the environment. A simple consumer-resource model can predict N-cycle metabolism (nitrate use) and, more importantly, the mechanism behind its change.
www.nature.com/articles/s41...
Functional regimes define soil microbiome response to environmental change - Nature
Experimental perturbation of soil pH leads to a generalizable model of the soil microcosm comprising three functional regimes with distinct mechanisms linking environmental change to metabolite dynami...
www.nature.com
July 16, 2025 at 3:19 PM
Reposted by Lauren Hemara
Extremely honoured to be a #2025ISMPMI travel awardee this year, and to be able to present the results of my masters degree all the way from NZ! Come and see me at P-319 to learn about the bacterial microbiome of Actinidia (kiwifruit).
July 16, 2025 at 6:41 AM
Reposted by Lauren Hemara
Thrilled to see this work published!

We analyzed foliar disease suppressive microbial communities from tomato to identify taxa and functions associated with suppression. Congratulations to lead author @hanareiaehau.bsky.social, and co-authors Javad Sadeghi and Terrence Bell!

tinyurl.com/4pnxxuus
Rapid and sustained differentiation of disease-suppressive phyllosphere microbiomes in tomato following experimental microbiome selection - Environmental Microbiome
Background Microbial-based treatments to protect plants against phytopathogens typically focus on soil-borne disease or the aboveground application of one or a few biocontrol microorganisms. However, ...
tinyurl.com
July 1, 2025 at 2:18 PM
Reposted by Lauren Hemara
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
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 3, 2025 at 2:52 PM
Reposted by Lauren Hemara
Pseudomonas syringae subpopulations cooperate by coordinating flagellar and type III secretion spatiotemporal dynamics to facilitate plant infection
www.nature.com/articles/s41...
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.
www.nature.com
April 2, 2025 at 3:50 PM
Reposted by Lauren Hemara
I'm delighted to announce that the 2025 @microbiologysociety.org meeting on "Understanding and predicting microbial evolutionary dynamics" will be held in Liverpool 26-27 November 2025! Abstract submission will open soon... #microsky 🧪🧫🦠 microbiologysociety.org/event/societ...
Understanding and predicting microbial evolutionary dynamics - 2025 meeting
microbiologysociety.org
February 18, 2025 at 9:50 AM
Great to see this preprint out, based on Haileigh Patterson's MSc work with me, Matt, & Jay! 🥝🌿
February 4, 2025 at 8:27 PM
Stoked to have my picture on the February cover of Plant, Cell & Environment! Massive win for Psa enthusiasts everywhere 🌿
onlinelibrary.wiley.com/doi/abs/10.1...
January 6, 2025 at 11:18 PM
It's a snowy end of the year at UTSC! ❄️
December 23, 2024 at 6:55 PM
Reposted by Lauren Hemara
🚨PhD Opportunity - please share!🚨

We’re hiring a PhD student to start Sept 2025: how do bacteria ‘tame’ phage parasites, and turn them into deadly Tailocins?

Come join me, @brockhurstlab.bsky.social, Patrick Cai &
@raveentank.bsky.social as we study ZOMBIE PHAGES!

findaphd.com/phds/project...
findaphd.com
December 17, 2024 at 9:38 PM
Excited to share our latest preprint! We've sequenced over 500 isolates from New Zealand's Psa3 population as part of ongoing genome biosurveillance efforts 🦠🥝

www.biorxiv.org/content/10.1...
Genomic biosurveillance of the kiwifruit pathogen Pseudomonas syringae pv. actinidiae biovar 3 reveals adaptation to selective pressures in New Zealand orchards
In the late 2000s, a pandemic of Pseudomonas syringae pv. actinidiae biovar 3 (Psa3) devastated kiwifruit orchards growing susceptible yellow-fleshed cultivars. New Zealand's kiwifruit industry has si...
www.biorxiv.org
October 25, 2024 at 1:47 AM
Hot off the press from a great collaboration across Plant & Food Research - our new paper characterises Psa resistance in kiwiberry and creates opportunity for future resistance breeding! 🥝✨ onlinelibrary.wiley.com/doi/10.1111/...
Identification and Characterization of Innate Immunity in Actinidia melanandra in Response to Pseudomonas syringae pv. actinidiae
Transcriptomic analysis of Pseudomonas syringae pv. actinidiae biovar 3 (Psa3) infection of Psa-resistant kiwiberry accession Actinidia melanandra ME02_01 demonstrated a clear resistance response inv...
onlinelibrary.wiley.com
October 21, 2024 at 10:43 AM