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Featured Publications

S. Myong, M. M. Bruno, A. M. Pyle and T. Ha, “Spring-loaded mechanism of DNA unwinding by HCV NS3 helicase,” Science 317, 513-516 (2007).

S. Hohng, R. Zhou, M. K. Nahas, J. Yu, K. Schulten, D. M. J. Lilley and T. Ha, “Fluorescence-force spectroscopy maps two-dimensional reaction landscape of the Holliday junction,” Science 318, 279-283 (2007).

R. Roy, A. Kozlov, T. M. Lohman and T. Ha, “SSB protein diffusion on single stranded DNA stimulates RecA filament formation,” Nature 461(7267), 1092-1097 (2009).

R. Zhou, A. G. Kozlov, R. Roy, J. Zhang, S. Korolev, T. M. Lohman and T. Ha, “SSB functions as a sliding platform that migrates on DNA via reptation”, Cell 146, 222-232 (2011).

T. Ngo, Q. Zhang, R. Zhou, J. G. Yodh and T. Ha, “Asymmetric unwrapping of nucleosomes under tension directed by DNA local flexibility”, Cell 160, 1135-1144 (2015).

S. Arslan, R. Khafizov, C. D. Thomas, Y. R. Chemla and T. Ha, “Engineering of a superhelicase through conformational control”, Science 348, 344-347 (2015).

T. Ha, Th. Enderle, D.F. Ogletree, D.S. Chemla, P. Selvin, and S. Weiss, “Probing the interaction between two single molecules: Fluorescence resonance energy transfer between a single donor and a single acceptor ,” Proc. Natl. Acad. Sci. U.S.A. 93, 6264 (1996).

S. Myong, I. Rasnik, C. Joo, T.M. Lohman and T. Ha, “Repetitive shuttling of a motor protein on DNA,”Nature 437, 1321-1325 (2005).

C. Joo, S.A. McKinney, M. Nakamura, I. Rasnik, S. Myong and T. Ha, “Real time observation of RecA filament dynamics with single monomer resolution,” Cell 126,  515-528 (2006).

J. Park, S. Myong, A. Niedziela-Majka, K.S. Lee, J. Yu, T. M. Lohman and T. Ha, “PcrA dismantles RecA filaments by reeling in DNA in uniform steps”, Cell 142, 544-555 (2010).

A. Jain, R. Liu, B. Ramani, E. Arauz, Y. Ishitsuka, K. Ragunathan, J. Park, J. Chen, Y. K. Xiang and T. Ha, “Probing cellular protein complexes using single-molecule pull-down”, Nature 473, 484-488  (2011).

J. Fei, D. Singh, Q. Zhang, S. Park, D. Balasubramanian, I. Golding, C. K. Vanderpool and T. Ha, “Determination of in vivo target search kinetics of regulatory noncoding RNA”, Science 347, 1371-1374 (2015).

Y. Liu, R. S. Zou, S. He, Y. Nihongaki, X. Li, S. Razavi, B. Wu and T. Ha, “Very fast CRISPR on demand”, Science 368, 1265–1269 (2020).

C. Grashoff, B. D. Hoffman, M. D. Brenner, R. Zhou, M. Parsons, M. T. Yang, M. A. McLean, S. G. Sligar, C. S. Chen, T. Ha and M. A. Schwartz, “Measuring mechanical tension across vinculin reveals regulation of focal adhesion dynamics”, Nature 466, 263-266 (2010).

R. Vafabakhsh and T. Ha, “Extreme bendability of DNA less than 100 base pairs long revealed by single molecule cyclization”, Science, 337, 1097-1101 (2012).

X. Wang and T. Ha, “Defining Single Molecular Forces Required to Activate Integrin and Notch Signaling”, Science 340, 991-994 (2013).