Three-dimensional reconstruction of the Z disk of sectioned bee flight muscle.
نویسندگان
چکیده
منابع مشابه
Three-dimensional reconstruction of the Z disk of sectioned bee flight muscle
The three-dimensional structure of the central region of the Z disk of honeybee flight muscle has been determined to a resolution of 70 A by three-dimensional reconstruction from electron micrographs of tilted thin sections. The reconstructions show a complex assembly in which actin filaments terminate and are cross-linked together; a number of structural domains of this network are resolved in...
متن کاملArrangement of filaments and cross-links in the bee flight muscle Z disk by image analysis of oblique sections
Information from oblique thin sections and from three-dimensional reconstructions of tilted, transverse thin sections (Cheng, N., and J. F. Deatherage. 1989. J. Cell Biol. 108:1761-1774) has been combined to determine the three-dimensional structure of the honeybee flight muscle Z disk at 70-A resolution. The overall symmetry and structure of the Z disk and its relationship to the rest of the m...
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متن کاملThree-dimensional image reconstruction of insect flight muscle. II. The rigor actin layer
The averaged structure of rigor cross-bridges in insect flight muscle is further revealed by three-dimensional reconstruction from 25-nm sections containing a single layer of thin filaments. These exhibit two thin filament orientations that differ by 60 degrees from each other and from myac layer filaments. Data from multiple tilt views (to +/- 60 degrees) was supplemented by data from thick se...
متن کاملThree-dimensional image reconstruction of insect flight muscle. I. The rigor myac layer
We have obtained detailed three-dimensional images of in situ cross-bridge structure in insect flight muscle by electron microscopy of multiple tilt views of single filament layers in ultrathin sections, supplemented with data from thick sections. In this report, we describe the images obtained of the myac layer, a 25-nm longitudinal section containing a single layer of alternating myosin and a...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 1989
ISSN: 0021-9525,1540-8140
DOI: 10.1083/jcb.108.5.1761