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Journal of Cell Science, Vol 6, 679-700, Copyright © 1970 by Company of Biologists

Submitted on August 26, 1969

Structural Analysis of Basal Bodies of The Isolated Oral Apparatus of Tetrahymena Pyriformis

J. WOLFE 1

1 Department of Biophysics, King's College, University of London, England; Biology Department, Wesleyan University, Middletown, Connecticut, U.S.A.

The oral apparatus of Tetrahymena pyriformis was isolated using a non-ionic detergent to disrupt the cell membrane. The mouth consists largely of basal bodies and microfilaments. Each basal body is attached to the mouth by a basal plate which is integrated into the meshwork of microfilaments that confers upon the oral apparatus its structural integrity.

Each basal body is composed of 9 triplet microtubules. Two of the 3 tubules, subfibres ‘A’ and ‘B’ are composed of filamentous rows of globules with a spacing of 4.5nm. The third tubule, subfibre ‘C’, is only one-third the length of the basal body.

Submitted on August 26, 1969




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© The Company of Biologists Ltd 1970