The Portnoy Lab | UNIVERSITY OF CALIFORNIA, BERKELEY

JEG3 cells infected with *Listeria monocytogenes* (green) and stained for LAMP1 (red), actin (teal), and DAPI (blue).
*Listeria monocytogenes* mutant trapped in multilamellar body in a bone marrow macrophage.
*Listeria monocytogenes* infection: Actin (green), *Listeria monocytogenes* (red), DAPI (blue).
JEG3 cells infected with *Listeria monocytogenes* (green) and stained for LAMP1 (red), DAPI (blue), and phalloidin (yellow).
*Listeria monocytogenes* infection.

Oct

24

2025

Preview in Cell Host and Microbe related to Andrea's recent article

By Neil Fischer

https://www.cell.com/cell-host-microbe/abstract/S1931-3128(25)00240-9

May

18

2025

Carissa receives Damon Runyon Fellowship!

By Neil Fischer

Postdoc Carissa Chan has received a prestigious 4-year Damon Runyon Fellowship! Congratulations to her!

Apr

30

2025

Mariya's paper published in mBio!

By Neil Fischer

See Publications page!

Nov

21

2024

Andrea Anaya Sanchez posts paper on BioRxiv

By Neil Fischer

Andrea, co-mentored by Sarah Stanley and Dan Portnoy, has posted a manuscript on BioRxiv; this achievement marks a significant collaboration between the Portnoy and Stanley labs https://pubmed.ncbi.nlm.nih.gov/39554200/.

Mar

02

2023

Rafael Rivera-Lugo, graduate student, is the recipient of the Harold M. Weintraub Graduate Student Award!

By Neil Fischer

https://www.fredhutch.org/en/news/releases/2023/03/fred-hutch-announ

May

10

2022

Article published in Elife

By Neil Fischer

Listeria monocytogenes requires cellular respiration for NAD+ regeneration and pathogenesis. Rivera-Lugo R, Deng D, Anaya-Sanchez A, Tejedor-Sanz S, Tang E, Reyes Ruiz VM, Smith HB, Titov DV, Sauer JD, Skaar EP, Ajo-Franklin CM, Portnoy DA, Light SH. Elife. 2022 Apr 5;11:e75424.