Author
T. Ha
Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.
Biology Disciplines
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2017-2023 · peak 13/yrCo-Author Collaboration Network
10 top collaborators · 15 mutual co-author links44 papers
Recent·Most cited
- BiophysicsbioRxiv
Measuring DNA mechanics on the genome scale
A. Basu, D. G. Bobrovnikov, Z. Qureshi…·T. Ha
This paper develops loop-seq to measure DNA bendability genome-wide and finds sequence-encoded low bendability upstream of TSSs that influences nucleosome positioning and chromatin remodeling.
DOI 10.1038/s41586-020-03052-3 - BiophysicsbioRxiv
Stochastic Analysis Demonstrates the Dual Role of Hfq in Chaperoning E. coli Sugar Shock Response
D. M. Bianchi, T. A. Brier, A. Poddar…·Z. Luthey-Schulten
The paper uses single-cell microscopy and stochastic modeling to show Hfq stabilizes SgrS and aids its interaction with target mRNA during glucose-phosphate stress in E. coli.
DOI 10.3389/fmolb.2020.593826 - BiochemistrybioRxiv
Redefining the specificity of phosphoinositide-binding by human PH domain-containing proteins
N. Singh, A. Reyes-Ordonez, M. A. Compagnone…·J. Chen
The paper identifies 54% of human PH domain-containing proteins as having PIP binding affinity, using single-molecule pulldown assays and a recursive-learning algorithm.
DOI 10.1038/s41467-021-24639-y - BiophysicsbioRxivPreprint
Real-time monitoring of cotranscriptional riboswitch folding and switching
B. Hua, C. P. Jones, J. Mitra…·T. Ha
The paper develops a novel vectorial folding assay to study cotranscriptional riboswitch folding and shows that riboswitch fate is sequence-encoded and controllable by a directionally moving protein.
DOI 10.1101/2019.12.20.885053 - BiophysicsbioRxiv
Streamlining effects of extra telomeric repeat on telomere folding revealed by fluorescence-force spectroscopy
The paper uses fluorescence-force spectroscopy to study how extra telomeric repeats affect G-quadruplex folding dynamics in human telomeric sequences.
DOI 10.1093/nar/gkz906 - BiophysicsbioRxiv
Nanomechanics and co-transcriptional folding of Spinach and Mango
This study examines the nanomechanics and co-transcriptional folding of Spinach and Mango aptamers using single-molecule techniques, revealing distinct unfolding and refolding behaviors and the role of ions in their stability.
DOI 10.1038/s41467-019-12299-y - BiophysicsbioRxiv
Single molecule analysis of effects of non-canonical guide RNAs and specificity-enhancing mutations on Cas9-induced DNA unwinding
I. Okafor, D. Singh, Y. Wang…·T. Ha
The paper evaluates how non-canonical guide RNAs and Cas9 variants affect DNA unwinding, finding that some combinations reduce off-target activity while maintaining on-target efficiency.
DOI 10.1093/nar/gkz1058 - BiophysicsbioRxiv
Hexameric helicase G40P unwinds DNA in single base pair steps
M. Schlierf, G. Wang, X. S. Chen, T. Ha
This study investigates DNA unwinding by the hexameric helicase G40P using single-molecule fluorescence, revealing single base pair unwinding and coordinated ATP hydrolysis.
DOI 10.7554/elife.42001 - BiophysicsbioRxiv
Functional instability allows access to DNA in longer Transcription Activator-Like Effector (TALE) arrays.
K. Geiger-Schuller, J. Mitra, T. Ha, D. Barrick
The paper examines DNA binding kinetics of TALE arrays using single molecule microscopy and deterministic modeling, revealing functional instability due to conformational heterogeneity.
DOI 10.7554/elife.38298 - BiophysicsbioRxiv
Real-time observation of DNA target interrogation and product release by the RNA-guided endonuclease CRISPR Cpf1
D. Singh, J. Mallon, A. Poddar…·T. Ha
This study characterizes the DNA interrogation and product release kinetics of three Cpf1 orthologues using single-molecule fluorescence and biochemical assays, revealing differences from Cas9 in binding and cleavage requirements.
DOI 10.1073/pnas.1718686115 - MicrobiologybioRxiv
Determinants of target prioritization and regulatory hierarchy for the bacterial small RNA SgrS
M. Bobrovskyy, J. K. Frandsen, J. Zhang…·C. K. Vanderpool
This study investigates how the bacterial sRNA SgrS prioritizes and regulates its target mRNAs, revealing that regulatory hierarchy depends on binding site number, position, and cofactors like Hfq.
DOI 10.1111/mmi.14355 - BiophysicsbioRxiv
Mechanisms of improved specificity of engineered Cas9s revealed by single molecule analysis
D. Singh, Y. Wang, J. Mallon…·T. Ha
This study reveals how engineered Cas9 variants improve specificity by altering DNA unwinding dynamics and cleavage rates in response to mismatches.
DOI 10.1038/s41594-018-0051-7 - BiophysicsbioRxiv
Single-cell analysis of early antiviral gene expression reveals a determinant of stochastic IFNB1 expression
S. Doganay, M. Y. Lee, A. Baum…·T. Ha
The paper identifies early antiviral gene expression patterns and shows that RLRs drive stochastic IFNB1 expression independent of IFN.
DOI 10.1039/c7ib00146k