Search Results - "Lord, Samuel J."
-
1
SuperPlots: Communicating reproducibility and variability in cell biology
Published in The Journal of cell biology (01-06-2020)“…P values and error bars help readers infer whether a reported difference would likely recur, with the sample size n used for statistical tests representing…”
Get full text
Journal Article -
2
Three-dimensional, single-molecule fluorescence imaging beyond the diffraction limit by using a double-helix point spread function
Published in Proceedings of the National Academy of Sciences - PNAS (03-03-2009)“…We demonstrate single-molecule fluorescence imaging beyond the optical diffraction limit in 3 dimensions with a wide-field microscope that exhibits a…”
Get full text
Journal Article -
3
Adhesion pilus retraction powers twitching motility in the thermoacidophilic crenarchaeon Sulfolobus acidocaldarius
Published in Nature communications (14-06-2024)“…Type IV pili are filamentous appendages found in most bacteria and archaea, where they can support functions such as surface adhesion, DNA uptake, aggregation,…”
Get full text
Journal Article -
4
High-Temperature Live-Cell Imaging of Cytokinesis, Cell Motility, and Cell-Cell Interactions in the Thermoacidophilic Crenarchaeon Sulfolobus acidocaldarius
Published in Frontiers in microbiology (10-08-2021)“…Significant technical challenges have limited the study of extremophile cell biology. Here we describe a system for imaging samples at 75°C using high…”
Get full text
Journal Article -
5
Actin-based protrusions of migrating neutrophils are intrinsically lamellar and facilitate direction changes
Published in eLife (26-09-2017)“…Leukocytes and other amoeboid cells change shape as they move, forming highly dynamic, actin-filled pseudopods. Although we understand much about the…”
Get full text
Journal Article -
6
A Photoactivatable Push−Pull Fluorophore for Single-Molecule Imaging in Live Cells
Published in Journal of the American Chemical Society (23-07-2008)“…We have reengineered a red-emitting dicyanomethylenedihydrofuran push−pull fluorophore so that it is dark until photoactivated with a short burst of…”
Get full text
Journal Article -
7
Spatial Organization of EphA2 at the Cell-Cell Interface Modulates Trans-Endocytosis of EphrinA1
Published in Biophysical journal (20-05-2014)“…EphA2 is a receptor tyrosine kinase (RTK) that is sensitive to spatial and mechanical aspects of the cell’s microenvironment. Misregulation of EphA2 occurs in…”
Get full text
Journal Article -
8
Tadpole Conformation of Gradient Polymer Brushes
Published in Macromolecules (01-06-2004)“…Cylindrical molecular brushes, each with a gradient of grafting density along the backbone, demonstrated a transition from rodlike to tadpole conformations…”
Get full text
Journal Article -
9
WASP and SCAR are evolutionarily conserved in actin-filled pseudopod-based motility
Published in The Journal of cell biology (05-06-2017)“…Diverse eukaryotic cells crawl through complex environments using distinct modes of migration. To understand the underlying mechanisms and their evolutionary…”
Get full text
Journal Article -
10
Photophysical Properties of Acene DCDHF Fluorophores: Long-Wavelength Single-Molecule Emitters Designed for Cellular Imaging
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (20-09-2007)“…We report the solvatochromic, viscosity-sensitive, and single-molecule photophysics of the fluorophores DCDHF-N-6 and DCDHF-A-6. These molecules are members of…”
Get full text
Journal Article -
11
Epi-illumination SPIM for volumetric imaging with high spatial-temporal resolution
Published in Nature methods (01-06-2019)“…We designed an epi-illumination SPIM system that uses a single objective and has a sample interface identical to that of an inverted fluorescence microscope…”
Get full text
Journal Article -
12
Sulfolobus acidocaldarius adhesion pili power twitching motility in the absence of a dedicated retraction ATPase
Published in Biophysical journal (10-02-2023)Get full text
Journal Article -
13
Polymer dynamics of Alp7A reveals how two critical concentrations govern assembly of dynamically unstable actin-like proteins
Published in Molecular biology of the cell (01-11-2024)“…Dynamically unstable polymers capture and move cellular cargos in bacteria and eukaryotes, but regulation of their assembly remains poorly understood. Here we…”
Get full text
Journal Article -
14
Diffusion of Lipid-like Single-Molecule Fluorophores in the Cell Membrane
Published in The journal of physical chemistry. B (20-04-2006)“…The dicyanomethylenedihydrofuran (DCDHF) class of single-molecule fluorophores contains an amine donor and a dicyanomethylenedihydrofuran acceptor linked by a…”
Get full text
Journal Article -
15
Single-Molecule Spectroscopy and Imaging of Biomolecules in Living Cells
Published in Analytical chemistry (Washington) (15-03-2010)“…The number of reports per year on single-molecule imaging experiments has grown roughly exponentially since the first successful efforts to optically detect a…”
Get full text
Journal Article -
16
Superresolution Imaging of Targeted Proteins in Fixed and Living Cells Using Photoactivatable Organic Fluorophores
Published in Journal of the American Chemical Society (03-11-2010)“…Superresolution imaging techniques based on sequential imaging of sparse subsets of single molecules require fluorophores whose emission can be photoactivated…”
Get full text
Journal Article -
17
Quantitative Proteomic Analysis Reveals apoE4-Dependent Phosphorylation of the Actin-Regulating Protein VASP
Published in Molecular & cellular proteomics (01-05-2023)“…Apolipoprotein (apo) E4 is the major genetic risk factor for Alzheimer’s disease. While neurons generally produce a minority of the apoE in the central nervous…”
Get full text
Journal Article -
18
Our evolving view of cell motility
Published in Cell cycle (Georgetown, Tex.) (02-10-2017)Get full text
Journal Article -
19
Concise Language Promotes Clear Thinking about Cell Shape and Locomotion
Published in BioEssays (01-07-2018)Get full text
Journal Article -
20
Azido Push−Pull Fluorogens Photoactivate to Produce Bright Fluorescent Labels
Published in The journal of physical chemistry. B (18-11-2010)“…Dark azido push−pull chromophores have the ability to be photoactivated to produce bright fluorescent labels suitable for single-molecule imaging. Upon…”
Get full text
Journal Article