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Pedro Rodriguez-Collazo, Sanford Leuba and Jordanka Zlatanova. Salt-urea, Sulfopropyl-Sepharose, and Covalent Chromatography Methods for Histone Isolation and Fractionation. (2012) Methods in Molecular Biology (in press). Fagerburg, M., G. Schauer, K. Thickman, P. Bianco, S. Khan, S. H. Leuba, S. Anand (2012) PcrA-mediated disruption of RecA nucleoprotein filaments 鈥? essential role of the ATPase activity of RecA. Nucleic Acids Research 40:8416-24. PMID: 22743269. L. Lan, S. Nakajima, M. G. Kapetanaki,, C. L. Hsieh, M. Fagerburg, K. Thickman, P. Rodriguez-Collazo, S. H. Leuba, A. S. Levine, and V. Rapic-Otrin (2012) Monoubiquitinated H2A destabilizes photolesion-containing nucleosomes with the concomitant release of the UV-damaged DNA-binding protein E3 ligase. J. Biol. Chem. 287:12036-49. PMID: 22334663. BW Graham, G Schauer, SH Leuba and M Trakselis (2011) Steric Exclusion and Wrapping of the Excluded DNA Strand Occurs Along Discrete External Binding Paths During MCM Helicase Unwinding. Nucleic Acids Research. 39:6585-95. PMID: 21576224. TM Erb, C Schneider, SE Mucko, JS Sanfilippo, NC Lowry, MN Desai, RS Mangoubi, SH Leuba, PJ Sammak (2011) Paracrine and Epigenetic Control of Trophectoderm Differentiation from Human Embryonic Stem Cells: The Role of Bone Morphogenic Protein 4 and Histone Deacetylases. Stem Cells Dev. 20:1601-14. PMID: 21204619. S. Uguroglu, O. Tastan, J. Klein-Seetharaman, and S. H. Leuba. 2011 Identification of potentially relevant citeable articles using association rule mining. Medicinal Chemistry 1:e101. doi:10.4172/2161-0444.1000e101. M. V. Fagerburg and S. H. Leuba. 2011 Optimal practices for surface-tethered single molecule total internal reflection fluorescence resonance energy transfer analysis. In DNA Nanotechnology. G. Zuccheri and B. Samori, Eds. Humana Press, Totowa, NJ Methods Mol Biol. 2011;749:273-289. PMID: 21674379. S. H. Leuba and R. A. Steinman. 2011 How to think like a single molecule: obtaining quantitative measurements on single DNA molecules and chromatin fibers. In Biophysics of Protein-DNA Interactions. M. C. Williams and L. J. Maher, III, Eds. Springer, NY pp. 307-323. S. H. Leuba and L. R. Brewer. 2009 Single-molecule studies of chromatin structure and dynamics. In Single Molecule Biology. A. Knight, Ed. Elsevier, Amsterdam pp. 143-171. C.-M. Cheng, Y.T. Kim, J.-M. Yang, S. H. Leuba & P. R. LeDuc (2009) Dynamics of individual polymers using microfluidic based microcurvilinear flow. Lab Chip 9, 2339-2347. PMID: 19636465 P. Rodriguez-Collazo, S. H. Leuba, and J. Zlatanova. A robust method for histone purification and fractionation, preserving their native modifications. Nucleic Acids Research, 37, e81, 2009. PMID 19443446 S. H. Leuba, T. B. Wheeler, C.-M Cheng, P. R. LeDuc, M. Fern谩ndez-Sierra, and E. Qui帽ones. Structure and dynamics of single DNA molecules as manipulated by magnetic tweezers and or flow. Methods 47, 214-222, 2009. PMID 19015032 S. H. Leuba, S. P. Anand, J. M. Harp and S. A. Khan. Expedient placement of two fluorescent dyes for investigating dynamic DNA protein interactions in real time. Chromosome Research 16, 451-467, 2008. PMID 18461484 P. Rodriguez-Collazo, S. K. Snyder, R. C. Chiffer, J. Zlatanova, S. H. Leuba and C. L. Smith. cAMP Signaling Induces Rapid Loss of Histone H3 Phosphorylation in Mammary Adenocarcinoma-Derived Cell Lines. Experimental Cell Research. 314, 1-10, 2008. PMID 17950276 P. Rodriguez-Collazo, S. K. Snyder, R. C. Chiffer, J. Zlatanova, S. H. Leuba and C. L. Smith. cAMP Signaling Induces Rapid Loss of Histone H3 Phosphorylation in Mammary Adenocarcinoma-Derived Cell Lines. Experimental Cell Research. Epub ahead of print, 2007. Zheng, H., Goldner, L. S. and Leuba, S. H. Homebuilt scanning confocal fluorescence microscope for the study of DNA/protein interactions, one-at-a-time. Methods 41, 342-352, 2007. Anand, S. P., Zheng, H., Bianco, P., Leuba, S. H. and Khan, S. A. DNA helicase activity of PcrA is not required for the displacement of RecA from DNA and inhibition of RecA-mediated strand exchange. J. Bacteriology 189, 4502-4509, 2007. Zlatanova, J., William T. McAllister, W. T., Borukhov, S. and Leuba, S. H. Single-molecule approaches reveal the idiosyncrasies of RNA polymerases. Structure 14, 953-966, 2006. Zheng, H., Tomschik, M., Zlatanova, J. and Leuba, S. H. Evanescent field fluorescence microscopy (EFFM) for analysis of protein/DNA interactions at the single-molecule level. In Protein-protein interactions, a molecular cloning manual, 2nd ed. (E. Golemis and P. Adams, Eds.) Cold Spring Harbor Laboratory Press: Cold Spring Harbor (by invitation). 20: 1-16, 2005. Bennink, M. L., Leuba, S. H. and Zlatanova, J. Analysis of protein/DNA interactions by optical tweezers: application to chromatin fibers. In Protein-protein interactions, a molecular cloning manual, 2nd ed. (E. Golemis and P. Adams, Eds.) Cold Spring Harbor Laboratory Press: Cold Spring Harbor (by invitation). 19: 1-14, 2005. Pomerantz, R.T., Ramjit, R., Gueroui, Z., Place, C., Anikin, M., Leuba, S., Zlatanova, J., and McAllister, W.T. A Tightly Regulated Molelcular Motor Based upon T7 RNA Polymerase. Nano Letters. 5: 1698-1703, 2005. PDF file Tomschik, M., Zheng, H., van Holde, K., Zlatanova, J., and Leuba, S. Fast, long-range, reversible conformational fluctuations in nucleosomes revealed by single-pair fluorescence resonance energy transfer. PNAS. 102: 3278-3283,. 2005. PDF file