Mark Mandel

@markjmandel.bsky.social

2864 Followers 905 Following

Bacterial geneticist focused on microbe-animal communication. Professor UW-Madison. Messages are my personal views.

Promotional flyer for Vibrio2026: The International Meeting on the Biology of Vibrios. The illustrated logo shows a pink rod-shaped bacterium (a vibrio) with a smiling face, wearing a blue knit hat and scarf and a white shirt reading "I ♥ BERLIN," riding a kick scooter past a faint blue Berlin skyline. The logo is encircled by an arch of arrows reading "VIBRIO2026 · MOA Berlin." Below, the text reads: "Berlin, Germany. Sept 13–16, 2026. MOA Berlin. Oral Abstract Deadline: June 15, 2026." At the bottom is the round Vibrio International Society logo (a globe encircled by the society's name) next to "Scan for Registration and Details" with an arrow pointing to a QR code.
Seminar announcement flyer for the Medical Microbiology & Immunology Seminar Series at the University of Wisconsin. The flyer reads: "12:05 PM | 1520 Microbial Sciences Building." Featured event: April 17 — talk titled "Clostridioides difficile Pathogenesis: from Nursery to Nursing Home" by Dr. Joseph Zackular, University of Pennsylvania. A photo shows Dr. Zackular, a smiling man in a light blue shirt, standing in a laboratory setting. The UW Department of Medical Microbiology and Immunology logo appears in the bottom left. Sponsored by the UW Department of Medical Microbiology & Immunology, School of Medicine and Public Health, and the Bonnie DeMeio Fund.
A job posting flyer from the Department of Bacteriology at the University of Wisconsin-Madison advertising a Teaching Faculty II position. The role involves coordinating and teaching microbiology lab courses and/or large enrollment introductory classes. The application deadline is May 5, 2026, at 11:59pm CDT. Applications must be submitted electronically via the Jobs at UW portal; emailed applications are not accepted. Applicants must upload a single document containing a cover letter, CV, and teaching philosophy. The job listing URL is https://jobs.wisc.edu/jobs/teaching-faculty-ii-madison-wisconsin-united-states, Job ID JR10009916. The flyer notes that Madison, Wisconsin is described as a vibrant place to live and work, combining college-town energy, lakeside scenery, and a community-focused atmosphere.
Medical Microbiology & Immunology Seminar March 20, 2026. 12:05 pm, 1520 MSB. "Conserved Mechanisms of Protein Translocation and Regulation in Pathogenic Mycobacteria". Dr. Patricia Champion, Univ. of Notre Dame
Wisconsin Women's hockey players and athletic trainer at center ice after the January 25, 2026 game, for their sendoff to the USA and Czechia Olympic teams.
Screenshot of the linked web page showing: Animal-Microbe Symbioses Gordon Research Conference, June 20-25, 2027. Chair Nicole Gerardo, Vice Chair Mark Mandel. Renaissance Tuscany Il Ciocco, Via Giovanni, Pascoli, Lucca (Barga), Lucca, Italy
Scientists from the Mandel Lab collect Hawaiian bobtail squid at low tide in Oahu
Karen Visick speaking about calcium and Vibrio fischeri biofilms
First pitch!
Opening session of the MMPC conference with Abby Kroken and Jonathan Allen on stage and a slide displayed.
Flyer for the combine workshop: computational modeling in biology network. Listing speakers and showing details and sponsors.
Announcement: Medical Microbiology & Immunology Seminar Series, September 26, 12:00 pm, MSB 1520. "The Evolution of Immunity and Pathogenesis within Environmental Microbial Battlegrounds". Dr. Tera Levin, University of Pittsburgh.
Last year's Ladd McConkey football rookie card (WR, LA Chargers).
Medical Microbiology & Immunology Fall 2025 Seminar Series Flyer. Talks are Fridays at Noon in MSB 1520.
Applied and Environmental Microbiology Journal Cover, Volume 91, Number 8, August 2025. Image shows a hatchling Hummingbird bobtail squid, Euprymna berryi.
Mark and Jake smiling, in the atrium of the Microbial Sciences Building at UW-Madison
Photo of the Madison state capital peeking through the Edgewater hotel, from the water.
Egg sandwiches on donuts or English muffins. Some have bacon. One has maple drizzle.
Scientists eating Babcock Ice Cream
Seminar Flyer: University of Wisconsin-Madison, Medical Microbiology & Immunology Seminar Series. April 11, 2025. 12:00 PM, 1520 MSB, "Mobile Genetic Elements of Gut Bacteroidales: Phenotypes and Fitness". Dr. Laurie Comstock, Professor, University of Chicago
Bacteriology Department Seminar. Benjamin Wolfe, Tufts University. "How to manage microbiomes: lessons from a decade of studying (and eating!) fermented foods". Thursday, March 20. 3:30 pm, Ebling Symposium Center MSB
Science Magazine cover 28 Feb 2025; "An oval squid (Sepioteuthis lessoniana)"
UW-Madison Medical Microbiology & Immunology Seminar on February 7, 2025 from Dr. Luisa Cervantes-Barragan, Emory University. Noon in MSB 1520. “Diet-microbiome interactions that shape the intestinal T cell response”
MMI Seminar Friday, January 24 at 12:00 pm. MSB 1520. Christina Stallings from Washington University in St. Louis. "Molecular pathogenesis of Mycobacteria"
Seminar flyer: MEDICAL MICROBIOLOGY & IMMUNOLOGY SEMINAR SERIES January 17, 2025 12:00 PM, 1520 MSB “Viral inhibition by innate immune effector proteins” Dr. John Schoggins UT Southwestern
Figure 7 from the paper showing Type VI secretion system activity in culture and in the squid.
Figure 1 in the paper showing the animals. E. berryi is larger and darker colored compared to E. scolopes.
Figure 6 in the paper showing apoptosis and hemocyte phenotypes.
Figure 5 in the paper showing slight defect for lux mutants and severe defects for sypF and flrA
Figure 2 from the paper, showing the light organ structure of juvenile E. berryi, with the larger crypt 1 and smaller crypt 2 and crypt 3 on each side of the light organ.
Figure 4 from the paper: a graph showing that Vibrio fischeri are the exclusive colonizers of E. berryi
First page from the manuscript, Generation of Barcode-Tagged Vibrio fischeri Deletion Strains and Barcode Sequencing (BarSeq) for Multiplex Strain Competitions, with table of contents listing the 7 protocols and 1 alternate protocol.
Flyer advertising: Nkrumah Grant seminar, "Mapping genetic interactions in Vibrio cholerae to predicted evolutionary" Thursday November 14 at 3:30 pm in MSB Ebling.
Natalia stops for a second to B. cereus about her work on the THOR community.
Delaney Miller rocking her talk about symbioses in honey bees (from graduate work in Irene Newton's lab) and bobtail squids.
Poster for the MMI Department Seminar Series. January 19, 2024. Noon-1:00 pm. Dr. Lauren Palmer.
Smiling lab people in a living room with a Christmas tree.
UW Field House arena just after the conclusion of the match showing Badgers Win
Mark Mandel and Dr. Katie Bultman
Conference poster with much of the info in the message. Also notes you can email microbes@union.wisc.edu to join the email list
Poster announcing: Microbiology Doctoral Training Program University of Wisconsin-Madison. Katie Bultman, Mandel Lab. Dissertation Defense Seminar. Distinct biofilm regulatory strategies confer host colonization specificity in Vibrio fischeri. Monday, November 20, 2023 at 10:00 am. 6201 Microbial Sciences Building or Zoom.
Fourteen happy scientists sit outside at the UW-Madison Memorial Union Terrace on a sunny day last week, with Lake Mendota and sailboats in the background.