One Health Microbiome Center
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One Health Microbiome Center
@psumbiome.bsky.social
The One Health Microbiome Center at Penn State University optimizes, accelerates, and disseminates long-lasting applications and knowledge on the microbiome. X: @psumbiome microbiome.psu.edu
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Registration is now open! 🎉

Be part of the 2026 One Health Microbiome Center Symposium at Penn State (May 13–14). Explore microbiomes across health & ecosystems and connect with top researchers.

Sign up here:

www.eventbrite.com/e/2026-one-h...
2026 One Health Microbiome Symposium
The 2026 One Health Microbiome Symposium will be hosted at Penn State University. Abstract submissions will open soon.
www.eventbrite.com
🚨 In case you missed it, Dr. César de la Fuente will be joining us on December 5 at 11 A.M. as a part of our OHMC Seminar Series in Foster Auditorium at the Paterno Library.

The lecture is open to the Penn State community, registration details can be found here: forms.cloud.microsoft/r/yP0GQfwkEz
November 10, 2025 at 4:32 PM
The One Health Microbiome Center at Penn State will host Dr. César de la Fuente, AI biologist and Presidential Associate Professor at the University of Pennsylvania, on December 5 at 11 a.m. Registration required (link in article.)

📍 Foster Auditorium, Paterno Library

www.psu.edu/news/huck-in...
World leader in AI and antibiotic discovery to deliver lecture at Penn State | Penn State University
César de la Fuente, Presidential Associate Professor and leader of the Machine Biology Group at University of Pennsylvania, will speak at 11 a.m. on Dec. 5 in Foster Auditorium in the Paterno Library ...
www.psu.edu
November 6, 2025 at 8:08 PM
Happy One Health Day from the One Health Microbiome Center at Penn State! #OneHealthDay
November 3, 2025 at 2:15 PM
New findings from Dr. Verónica Román-Reyna and colleagues:

Burkholderia species (strains 22PA0099 & 22PA0106) has been confirmed as the cause of onion bulb rot. Their work highlights the need for updated diagnostic tools and vigilance in bulb crop management.

🔗
Identification of a Burkholderia Species Causing Onion Bulb Rot Disease | Plant Disease
This short communication reports two bacterial strains (22PA0099 and 22PA0106) of a previously undescribed Burkholderia species causing bulb rot in onion. These strains were recovered from symptomatic...
apsjournals.apsnet.org
October 28, 2025 at 6:28 PM
Check out our most recent Seminar Series speaker, Lauren Lucas's talk on the Investigation of Bile Salt Hydrolase Activity in Human Gut Bacteria!

Watch here: youtu.be/cVZI6BtCOLw?...
Investigation of Bile Salt Hydrolase Activity in Human Gut Bacteria | Lauren Lucas
YouTube video by One Health Microbiome Center at Penn State
youtu.be
October 27, 2025 at 5:28 PM
New from @kovaclab.bsky.social: Campylobacter — a leading cause of foodborne illness — was detected on only 1.9% of retail skinless, boneless chicken breast samples.

Low prevalence + low concentrations = positive trend for poultry safety 🐔

🔗: sciencedirect.com/science/article/pii/S0362028X25001875
Low Prevalence and Concentrations of Campylobacter Detected on Retail Chicken Breasts
Since 2014, Campylobacter has been the leading bacterial cause of foodborne illness in the United States, resulting in millions in economic losses eac…
sciencedirect.com
October 17, 2025 at 2:09 PM
Check out the press release for our upcoming OHMC Symposium - happening May 13-14, 2026 at Penn State!

www.psu.edu/news/huck-in...
One Health Microbiome Center announces 2026 symposium, keynote speaker lineup | Penn State University
The One Health Microbiome Center will host its third biennial symposium at Penn State University Park on May 13 and 14, 2026. The symposium will feature keynote speakers from environmental, human and ...
www.psu.edu
October 15, 2025 at 2:02 PM
New insight from @vishal-singh.bsky.social explores how processed fibers — like inulin & guar gum — affect human health.

Isolated fibers → gut microbiome shifts → possible liver stress → questions about fiber fortification.

Whole-food fiber still reigns supreme.

👇
www.psu.edu/news/researc...
Q&A: How does processed fiber impact human health? | Penn State University
In this Q&A, Vishal Singh, associate professor of nutritional physiology and microbiome, discussed how processed fiber found in a variety of food products and supplements affects human digestive healt...
www.psu.edu
October 13, 2025 at 3:38 PM
The One Health Microbiome Center, @pennstatescience.bsky.social, and @psubiodept.bsky.social
would like to welcome @ashley17061.bsky.social to Penn State as an Academic Affiliate Professor!

Read on to learn about Dr. Shade's accomplishments:
October 9, 2025 at 1:33 PM
We’re beyond honored to announce our final keynote speaker for the OHMC 2026 Symposium: Dr. Arturo Casadevall!

A global leader in infectious disease and immunology, Dr. Arturo Casadevall will join us May 13–14, 2026 at Penn State.

👉 Register today: huck.psu.edu/institutes-a...
October 8, 2025 at 6:51 PM
New findings from @lauraweyrich.bsky.social's lab and colleagues🚨

In ancient-DNA studies, the choice of DNA extraction and library preparation workflows can drastically shift how much endogenous DNA is retrieved. That means your lab protocol might be as important as your downstream analyses.

🔗
Wet Lab Protocols Matter: Choice of DNA Extraction and Library Preparation Protocols Bias Ancient Oral Microbiome Recovery
Ancient DNA (aDNA) analysis of archaeological dental calculus has provided a wealth of insights into ancient health, demography and lifestyles. However, the workflow for ancient metagenomics is still...
onlinelibrary.wiley.com
October 7, 2025 at 4:40 PM
For the first time, microbes are part of global conservation efforts. 🌍🧫

The IUCN’s new Microbial Conservation Specialist Group— including @symbionticism.bsky.social —aims to protect the unseen majority of life on Earth.

Read more:
www.psu.edu/news/eberly-...
New microorganism survival commission aims to fill critical conservation gap | Penn State University
For the first time, the International Union for Conservation of Nature is formally including all microbial life in its framework by establishing a Microbial Conservation Specialist Group, which includ...
www.psu.edu
October 6, 2025 at 2:04 PM
🌱🧬 Penn State’s @hockettlab.bsky.social and team discovered how tomato leaf microbiomes can suppress bacterial speck disease.

Xanthomonas & Pseudomonas → less disease → possible microbial tools to protect crops.

🔗 Read more: www.psu.edu/news/agricul...
New clues in how plant microbiomes protect against bacterial speck disease | Penn State University
Bacterial speck is a common disease affecting tomatoes that can result in lower yields for growers. A new study led by researchers at Penn State gives new clues on how a plant’s microbiome can be used...
www.psu.edu
October 2, 2025 at 7:26 PM
📢 Big news: Dr. Andrew Patterson has been named Director of Penn State’s Center for Molecular Toxicology & Carcinogenesis!

He’ll lead research on how environment, diet, & the microbiome impact health.

🔗 Read more: psu.edu/news/research/story/patterson-lead-penn-state-center-environment-and-health
Patterson to lead Penn State center on environment and health | Penn State University
Andrew Patterson has been named director of Penn State’s Center for Molecular Toxicology and Carcinogenesis, a research hub that investigates how environmental exposures affect human health.
psu.edu
October 2, 2025 at 2:18 PM
We’re excited to announce our next keynote speaker for the OHMC 2026 Symposium: Dr. Martin Wiedmann!🎉

An international leader in food safety and the ecology of foodborne pathogens, Dr. Wiedmann will join us May 13–14, 2026 at Penn State.

👉Register today: huck.psu.edu/institutes-a...
October 1, 2025 at 3:09 PM
🦠 New Matters Microbial with @markowenmartin.bsky.social!

Guest Dr. @lauraweyrich.bsky.social shares how ancient dental plaque DNA reveals:

– Neanderthal diets & health
– Early “medicine” use
– Microbes shared with humans

🎧 www.youtube.com/watch?v=6Bc5...
Matters Microbial #108: Neanderthal Oral Health, Ancient Bacteria and DNA
YouTube video by MicrobeTV
www.youtube.com
September 24, 2025 at 7:54 PM
Reposted by One Health Microbiome Center
Another week, another episode of #MattersMicrobial podcast! This time, @lauraweyrich.bsky.social of Penn State discusses what bacterial DNA from ancient dental plaque can tell us. Please spread the #GoodMicrobialWord. @univpugetsound @asmicrobiology @microbe.tv

youtu.be/6Bc5jhCDWg8?...
Matters Microbial #108: Neanderthal Oral Health, Ancient Bacteria and DNA
YouTube video by MicrobeTV
youtu.be
September 19, 2025 at 7:33 PM
We’re thrilled to announce our first keynote speaker for the OHMC 2026 Symposium: Dr. Joy Bergelson 🎉

A pioneer in plant–microbe interactions & coevolution, Dr. Bergelson will join us May 13–14, 2026 at Penn State.

Register today!

www.huck.psu.edu/institutes-a...
September 24, 2025 at 5:32 PM
🎉 Big news from the One Health Microbiome Center!

We’re thrilled to announce the inaugural cohort of BIOMS (Biotechnological and Integrative Opportunities in Microbiome Science) doctoral fellows at Penn State.

tinyurl.com/nvrczx37
One Health Microbiome Center awards 11 inaugural doctoral training fellows | Penn State University
The One Health Microbiome Center at Penn State has awarded the first cohort of doctoral students to receive the Biotechnological and Integrative Opportunities in Microbiome Sciences (BIOMS) doctoral t...
www.psu.edu
September 24, 2025 at 2:25 PM
🧬🔬 New from @symbionticism.bsky.social Lab:

The male-killing gene wmk in Wolbachia shows 5 phylogenetic Types across 32 genomes.

Lepidoptera have more copies & diversity than Drosophila (Types I & III).

Expression levels shape male-biased lethality.

Read → academic.oup.com/gbe/advance-...
Evolutionary Diversification and Functions of the Candidate Male Killing Gene wmk
Abstract. Symbiont-mediated male killing (MK) is a mechanism that selectively eliminates male offspring, often by disrupting sex-specific developmental pro
academic.oup.com
September 23, 2025 at 8:36 PM
🔬 A July study from Dr. Andrew Patterson and colleagues reveals:

Maternal emulsifier intake (CMC, P80) leads to→
• Early microbiota changes in offspring
• Premature GAP closure
• Greater long-term disease susceptibility

🔗 Read more:
Maternal emulsifier consumption alters the offspring early-life microbiota and goblet cell function leading to long-lasting diseases susceptibility - Nature Communications
Here, Delaroque et al. show that maternal intake of dietary emulsifiers alters offspring microbiota early in life, which, associated with perturbation of goblet cell function, promotes increased susce...
www.nature.com
September 22, 2025 at 1:33 PM
Interesting findings from @fdiniandreote.bsky.social & colleagues:

🌱 Plants use underground fungal highways to share defense signals.

CMNs transfer jasmonic acid from infected → healthy plants, reshaping rhizosphere microbes (like Streptomyces) that fight off pathogens.

Read more👉
Common mycorrhizal networks facilitate plant disease resistance by altering rhizosphere microbiome assembly
Common mycorrhizal networks (CMNs) facilitate chemical communication between plants. Zhang et al. demonstrate the transfer of jasmonic acid via CMN from Botrytis cinerea-infected donor plants to healt...
www.cell.com
September 19, 2025 at 1:35 PM
🦟 New study from @vectorgen.bsky.social and colleagues:

Natural populations of Culex tarsalis (West Nile virus vector) show clear links between host genetics, geography & microbiome structure.

🌍 Microbiota clusters may help explain variation in disease transmission.

🔗Read more:
Hologenomic structure of bacterial and fungal community composition in the West Nile virus vector Culex tarsalis
Background Microbiota play a crucial role in determining the ability for arthropod disease vectors to transmit pathogens. Microbial community structure can be heavily influenced by microbe-microbe int...
www.biorxiv.org
September 17, 2025 at 5:01 PM
📢🦟 New study from Dr. Beth McGraw and colleagues:

Heatwaves make Aedes aegypti co-infected with Wolbachia + dengue virus twice as heat-sensitive.
🌡️ Extended heat lowered dengue loads, while Wolbachia remained stable.

Findings highlight climate change impacts on vector control.

Read more➡️ 🔗
Repeated thermal stress exposure in Aedes aegypti co-infected with Wolbachia and dengue virus | mSphere
Dengue virus (DENV), spread by the mosquito Aedes aegypti, is a major global health threat affecting millions of people. This study examines how repeated exposures to heat stress affect the thermal to...
journals.asm.org
September 17, 2025 at 2:31 PM
OHMC's @symbionticism.bsky.social & colleagues launch the Microbial Conservation Specialist Group (MCSG)!

Over the next 5 years they’ll:
• Map threatened microbial habitats
• Build a diverse global network
• Develop Red List criteria for microbes

Read more: www.nature.com/articles/s41...
Launching the IUCN Microbial Conservation Specialist Group as a global safeguard for microbial biodiversity
Nature Microbiology - Launching the IUCN Microbial Conservation Specialist Group as a global safeguard for microbial biodiversity
www.nature.com
September 15, 2025 at 7:07 PM