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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Curr Opin Struct Biol. 2013 Aug 8;23(5):778–787. doi: 10.1016/j.sbi.2013.07.010

Table 1.

Selected structural biological measurements by single-molecule-based super-resolution approaches.

Biological superstructure(s) Significance / Comments References
Integrin-based focal adhesions Integrins and actin are vertically separated by a ~40-nm focal adhesion core region consisting of multiple protein-specific strata including integrin; talin, a further component, has polarized orientation, indicating a role in organizing the focal adhesion strata. [90]
MreB, CreS, PopZ, FtsZ in C. crescentus Cytoskeletal and polar as well as midplane-located protein superstructures in live bacteria [27,88,89,91]
Aggregates of mutant huntingtin exon 1 protein Fibrillar aggregates, possibly transient protofibrils, with a sharp cut-off length of ~1.5μm observed to co-exist with mature inclusion bodies [43,44]
Cycling nitro-reductase Visualization in live B. subtilis [45]
Sodium channels in live neuronal model cells by fluorescent saxitoxin Novel labeling by de novo synthesis of fluorescent forms of saxitoxin, fast (<10s) dynamics of neuritic spine movements [46]
Nucleosome-binding protein HU in live C. crescentus Spatial point statistics analysis (2D) of chromosomal DNA [35]
ParA/ParB in live C. crescentus Division spindle components for chromosome segregation [38]
Chemotaxis network in E. coli New model triggered for localization patterns [37]
Actin and spectrin Highly periodic protein arrangements in axons [33,34]
Synaptic proteins Bassoon and Homer 1 Organization of key proteins at the synapse in brain tissue [92]
Spine and excitatory synapse density in the hippocampus (bassoon and glutamate receptor 1/2) Afadin, a Ras/Rap effector, is a key intracellular signaling molecule for cadherin recruitment and is necessary for spine and synapse formation in vivo [93]
Podosome formation and dissociation visualized using an mCherry-tagged truncated talin construct (live cell) [81]
DNA Direct dye labeling [39]
Various organelles Live cell, high temporal sampling using membrane probes (1–2 seconds / SR reconstruction) [51]
Proteins central to centrosome formation The carboxy terminus of pericentrin-like protein (PLP) is revealed to be at the centriole wall, radiating outwards into a matrix domain where it is organized into clusters having quasi-nine-fold symmetry. [94]