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Lauren Hemara

@hemara.nz
646 followers 942 following 16 posts

🦠 Postdoc in the Microbiome Manipulation Lab @ University of Toronto 🥝 Previously studying plant pathogen evolution with everyone's favourite P. syringae pathovar - Psa! ✨ 🌿 hemara.nz

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Lauren Hemara @hemara.nz · 31/10/2025
Equally stoked to check out the UBC botanical garden and have a look at all their kiwifruit vines!! They have a gorgeous and incredibly comprehensive Asian garden section planted within a native coastal forest.
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Lauren Hemara @hemara.nz · 31/10/2025
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...) 🦠🌱
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Lauren Hemara @hemara.nz · 04/02/2025
Great to see this preprint out, based on Haileigh Patterson's MSc work with me, Matt, & Jay! 🥝🌿
Germplasm sampling workflow schematic. Symptomatic leaf samples were taken from germplasm Actinidia vines. Symptomatic and asymptomatic leaf discs were sampled from each leaf and split into two sample sets. gDNA was extracted from leaf homogenate for quantitative PCR and amplicon sequencing. Leaf homogenate from symptomatic leaf discs was also plated on selective agar for Pseudomonas isolation. The resulting pure cultures underwent DNA extraction, qPCR testing for the presence of Psa, and whole genome sequencing.
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Lauren Hemara @hemara.nz · 06/01/2025
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...
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Lauren Hemara @hemara.nz · 23/12/2024
It's a snowy end of the year at UTSC! ❄️
Environmental Science & Chemistry building with snow in the foreground.Snow covering spruce trees along a valley walkway
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Lauren Hemara @hemara.nz · 25/10/2024
The spread of these effector loss variants is currently limited, and they appear unlikely to cause more severe symptoms than the current population. We recommend ongoing genome biosurveillance in orchards to enable early detection and management of variants of interest.
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Lauren Hemara @hemara.nz · 25/10/2024
We carried out pathogenicity and competition assays to understand the risk of these HopF1c loss variants spreading & revisited the orchards these isolates emerged in for further surveillance.
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Lauren Hemara @hemara.nz · 25/10/2024
We've carried out sampling across New Zealand's main kiwifruit growing regions, focusing on commercial monocultures of green-fleshed 'Hayward' and yellow-fleshed 'Zesy002' - our Psa3 population has a star-shaped core SNP phylogeny, indicative of rapid expansion from a clonal origin 🌟
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