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March 9, 2023

Katherine Legg, a second year student working on the ergothioneine transporter project, was selected as a 2023-2024 John and Wendy Kindig Fellow in the Biological and Chemical Sciences!  Congratulations to Katherine and a sincere thanks to the Kindigs for their support of this important fellowship program!


February 10, 2023

Joe is part of a collaborative team of investigators in the Japan and Argentina that has published their findings of the interdependence of a persulfide-sensing repressor and polysulfide metabolizing enzymes in Rhodobacter capsulatus. This work is online at PNAS Nexus, with corrected proofs to appear any day! Stay tuned! Congratulations to Joe, Daiana and Giuliano in Argentina for their contributions to this work.


February 10, 2023

Max Osterberg, a third-year student in the group, is now a candidate for the Ph.D. in Chemistry! Congratulations Max!!



December 8, 2022

Yifan’s paper describing the discovery and structural characterization of a highly specific transporter for the low molecular weight thiol/thione, ergothioneine, in the respiratory pathogen, Streptococcus pneumoniae, appears online today in Nature Communications!  Congratulations to Yifan, Katie and Katherine!!


December 4, 2022

Emma McRae, a new Chemistry graduate student in chemical biology, joins the group. Emma completed her undergraduate degree in chemical biology at UC Berkeley, where she carried out undergraduate research with Michael Marletta. Welcome, Emma!


November 23, 2022

Dr. Yifan Zhang will begin a postdoctoral appointment on December 1 in Prof. Taosheng Chen’s group at St. Jude Children’s Research Hospital in the Department of Chemical Biology & Therapeutics in the Comprehensive Cancer Center there.  Good luck Yifan!


November 8, 2022

Matthew’s paper connecting transition metal starvation to flux through the queuosine-tRNA biosynthetic pathway in a bacterial pathogen is accepted for publication in the Proceedings of the National Academy of Sciences USA!  This paper describes fundamental insights on QueD2, a 6-CPH4-synthase and “low-zinc paralog” that becomes cell-abundant under conditions of calprotectin-mediated Zn/Fe restriction in Acinetobacter baumannii.  Congratulations Matthew!


November 1, 2022

Matthew has left the Giedroc laboratory for postdoctoral appointment in John Turchi’s laboratory at the IU School of Medicine.  Good luck Matthew!


September 30, 2022

Joey Rocchio, a third-year Chemistry student and Kindig Fellowship recipient, has passed his candidacy examinations with flying colors!  Welcome to Ph.D. candidacy!