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 Combined pediatrics-medical genetics residency program at John Hopkins. 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.