. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. Comparison of aclin bundles formed by excess polycations (A) and by solution crowdedness (B). Panel A: large bundles of F-actin induced by 50 mM MgCU. Panel B: actin bundles formed by 8% (wt) polyethylene glycol of average molecular weight 8000 dalton (PEG-8000). weight approximately 8000 (PEG-8000)], illustrating the effect of solution crowding. Bundles of both types were visualized by the fluorescent labeling of F-actin with rho- damine phalloidin. The pair of images illustrates the gen- eral observation that the
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. Comparison of aclin bundles formed by excess polycations (A) and by solution crowdedness (B). Panel A: large bundles of F-actin induced by 50 mM MgCU. Panel B: actin bundles formed by 8% (wt) polyethylene glycol of average molecular weight 8000 dalton (PEG-8000). weight approximately 8000 (PEG-8000)], illustrating the effect of solution crowding. Bundles of both types were visualized by the fluorescent labeling of F-actin with rho- damine phalloidin. The pair of images illustrates the gen- eral observation that the two types of bundles are virtually identical in appearance at this level of resolution. The only subtle difference is that the Mg-actin bundles tend to reach a larger size than PEG-actin bundles, and the difference is more apparent by phase-contrast microscopy (data not shown). Both types of actin bundles have also been examined by electron microscopy, and the general morphology is indistinguishable. In cells, various poly-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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