Email [email protected] Education BS in Chemistry, California Institute of Technology; MD/PhD Student, Weill Graduate School of Medical Sciences of Cornell University Current Position Chief Resident, Department of Genetic Medicine, John Hopkins Medicine, Baltimore, MD. Publications Meng X, Wei L, Peng XP, Zhao X. Sumoylation of the DNA polymerase ε by the Smc5/6 complex contributes to DNA replication. PLoS Genet. 2019 Nov 25;15(11):e1008426. doi: 10.1371/journal.pgen.1008426. eCollection 2019 Nov. PMID:31765372 Peng XP, Lim S, Li S, Marjavaara L, Chabes A, Zhao X. Acute Smc5/6 depletion reveals its primary role in rDNA replication by restraining recombination at fork pausing sites.PLoS Genet. 2018 Jan;14(1):e1007129. doi: 10.1371/journal.pgen.1007129. eCollection 2018 Jan. PubMed PMID: 29360860; PubMed Central PMCID: PMC5779651.