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Johanna Elfenbein

@jelfenbein.bsky.social

20 followers 22 following 2 posts

Veterinarian, microbiologist, fan of enteric pathogens; opinions are my own

Posts Replies Media

Reposted by Johanna Elfenbein

bioRxiv Microbiology @biorxiv-microbiol.bsky.social · 29/01/2026

Bloodstream-associated Salmonella Typhimurium and Enteritidis iNTS pathovariants hyper-replicate in human macrophages www.biorxiv.org/content/10.64898/20…

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Reposted by Johanna Elfenbein

UW Madison Microbiology Doctoral Training Program @uwmadisonmdtp.bsky.social · 23/02/2026

Join us this week for the MDTP student seminar, featuring Joie Ling from Hryckowian Lab! #MDTP #UWMadison

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Reposted by Johanna Elfenbein

Drew Hryckowian @a-hryckowian.bsky.social · 06/02/2026

Postdoc position available in my lab! Project will focus on how the microbiome-derived metabolite butyrate shapes C. difficile fitness and pathogenesis & will build on our previous/ongoing work in this space. Apply here: hr.wisc.edu/postdoc-and-...

hr.wisc.edu

Postdoc, Postgrad, and Research Intern Vacancies

Browse Postoc and Research Intern vacancies at UW–Madison.

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Reposted by Johanna Elfenbein

University of Wisconsin School of Veterinary Medicine @uwvetmed.bsky.social · 27/01/2026

New research, co-authored by the SVM's Johanna Elfenbein in the Journal of Bacteriology, shows how Salmonella adapts to toxic sulfites through a distinct genetic pathway, helping explain bacterial persistence and informing food safety research. #uwvetmed go.wisc.edu/en33mz

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Johanna Elfenbein @jelfenbein.bsky.social · 22/01/2026

No bull: This Austrian cow has learned to use tools | Science | AAAS www.science.org/content/arti...

science.org

No bull: This Austrian cow has learned to use tools

First evidence for tool use in cattle includes a skill previously seen only in humans and chimpanzees

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