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. 1974 Apr;61(1):166-87.
doi: 10.1083/jcb.61.1.166.

Bridges between microtubules

J R McIntosh

Bridges between microtubules

J R McIntosh. J Cell Biol. 1974 Apr.

Abstract

Bridges between microtubules have been studied with the electron microscope in the axostyle of Saccinobaculus and in various tubule systems of chicken testis, including the helix of tubules surrounding the elongating spermatid nucleus and the flagellum of the sperm tail. In addition to the previously described periodic bridges, evidence is presented that nonperiodic bridges exist between certain tubules. An analysis of axial spacing between adjacent nonperiodic bridges suggests that these structures are attached to periodic binding sites on the microtubule wall, but that not all the binding sites are filled. The bridges appear nonperiodic as a result of random occupancy of some fraction of the periodic sites. The distribution of these binding sites is related to the substructure of the microtubule wall as seen with negative staining and optical diffraction.

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References

    1. J Cell Biol. 1971 Feb;48(2):324-39 - PubMed
    1. Exp Cell Res. 1972 Sep;74(1):140-6 - PubMed
    1. C R Acad Sci Hebd Seances Acad Sci D. 1970 Mar 23;270(12):1587-90 - PubMed
    1. J Cell Biol. 1970 Oct;47(1):159-82 - PubMed
    1. J Cell Biol. 1970 May;45(2):438-44 - PubMed