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Direct demonstration of eight-fold symmetry in nuclear pores (1973)

Fabergé, A. C.

Springer

Cell & tissue research 136 (1973), S. 183-190

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ISSN: 1432-0878

Keywords: Nuclear pore ; Amphibian oocyte ; 8-fold symmetry ; Fibrous network ; Electron microscopy ; Negative staining

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Summary Pictures, in front view, are presented of the nuclear pores from the oocytes of the newt Taricha granulosa. Negative staining is used. It is directly visible, on a substantial proportion of the pores, that the number of subunits in the annulus is 8. This conclusion had been reached earlier by other writers, who had used the rotation technique to ascertain the radial symmetry. The rotation technique is known to be very unreliable, though on this occasion had produced the correct result. A fibrous mesh network, connecting the subunits of separate pores is described.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00307439

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