Esther Chen

Contact Information

Office: MH 103C

Phone: 657-278-2543


Esther Chen



PhD, Massachusetts Institute of Technology

MS, Yale University

BS, Yale University

Research Areas

Molecular biology of microbe-host interactions; genes and signals in the symbiosis betweenSinorhizobium meliloti and its host, Medicago sativa

Courses Regularly Taught

 General Microbiology, Genetics 


Ratib, N.R.,* Sabio, E.Y.,* Mendoza, C.,* Barnett, M.J., Clover, S.B.,* Ortega, J.A.,* Dela Cruz, F.M.,* Balderas, D.,* White, H.,* Long, S.R., and Chen, E.J.  (2018) Genome-wide identification of direct transcriptional targets of ChvI and a consensus sequence for ChvI binding in Sinorhizobium meliloti. Mol. Microbiol.,110, 596-615. doi: 10.1111/mmi.14119.
Arnold, M.F.F., Penterman, J., Shabab, M., Chen, E.J., and Walker, G.C. (2018) Important late stage symbiotic role of the Sinorhizobium meliloti exopolysaccharide succinoglycan. J. Bacteriol.,200, e00665-18, doi: 10.1128/JB.00665-17.

Fields, A.T., Navarrete, C.S., Zare, A.Z., Huang, Z., Mostafavi, M., Lewis, J.C., Rezaeihaghighi, Y., Brezler, B.J., Ray, S.,* Rizzacasa, A.L.*, Barnett, M.J., Long, S.R., Chen, E.J., and Chen, J.C. (2012). The conserved polarity factor PodJ1 impacts multiple cell envelope-associated functions in Sinorhizobium meliloti . Mol. Microbiol., 84, 892-920. 

Chen, E. J., Fisher, R.F., Perovich, V.M.,* Sabio, E.A.,* and Long, S.R. (2009). Identification of direct transcriptional target genes of ExoS/ChvI two-component signaling in Sinorhizobium meliloti . J. Bacteriol., 191 , 6833-6842.

Chen, E.J., Sabio, E.A.,* and Long, S.R. (2008). The periplasmic regulator ExoR inhibits ExoS/ChvI two-component signalling in Sinorhizobium meliloti . Mol. Microbiol., 69 , 1290-1303.

Wells, D.H., Chen, E.J., Fisher, R.F., and Long, S.R. (2007). ExoR is genetically coupled to the ExoS-ChvI two-component system and located in the periplasm of Sinorhizobium meliloti. Mol Microbiol, 64 , 647-664.

Risinger, A.L., Cain, N.E., Chen, E.J., and Kaiser, C.A. (2006). Activity-dependent reversible inactivation of the general amino acid permease. Mol Biol Cell, 17, 4411-4419. 


* indicates student co-author