1 Babesia duncani as a model organism to study the development, virulence and drug 1 susceptibility of intraerythrocytic parasites in vitro and in vivo 2 3 Anasuya C. Pal 1 , Isaline Renard 1 , Pallavi Singh 1 , Pratap Vydyam 1 , Joy E. Chiu 1 , Sovitj Pou 2 , Rolf 4 W. Winter 2 , Rozalia Dodean 2 , Lisa Frueh 2 , Aaron C. Nilsen 2 , Michael K. Riscoe 2 , J. Stone 5 Doggett 2 , and Choukri Ben Mamoun 1* 6 7 8 1 Department of Internal Medicine, Section of Infectious Diseases, Yale School of Medicine, New 9 Haven, Connecticut, USA 10 2 Veterans Affairs Portland Health Care System, Portland, Oregon, USA 11 12 *Corresponding author 13 Email: [email protected] 14 15 Short Title: B. duncani ICIM intraerythrocytic model 16 17 . CC-BY 4.0 International license available under a (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made The copyright holder for this preprint this version posted December 1, 2021. ; https://doi.org/10.1101/2021.12.01.470698 doi: bioRxiv preprint