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Evert RF, Mierzwa RJ. The cell wall-plasmalemma interface in sieve tubes of barley. Planta. 1989;177(1):24-34doi: 10.1007/BF00392151.
Evert, R. F., & Mierzwa, R. J. (1989). The cell wall-plasmalemma interface in sieve tubes of barley. Planta, 177(1), 24-34. https://doi.org/10.1007/BF00392151
Evert, R F, and Mierzwa, R J. "The cell wall-plasmalemma interface in sieve tubes of barley." Planta vol. 177,1 (1989): 24-34. doi: https://doi.org/10.1007/BF00392151
Evert RF, Mierzwa RJ. The cell wall-plasmalemma interface in sieve tubes of barley. Planta. 1989 Jan;177(1):24-34. doi: 10.1007/BF00392151. PMID: 24212269.
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Planta. 1989 Jan;177(1):24-34. doi: 10.1007/BF00392151.

The cell wall-plasmalemma interface in sieve tubes of barley.

Planta

R F Evert, R J Mierzwa

Affiliations

  1. Department of Botany, University of Wisconsin, 53706, Madison, WI, USA.

PMID: 24212269 DOI: 10.1007/BF00392151

Abstract

Both thick- and thin-walled sieve tubes in leaf-blade veins of Hordeum vulgare L. exhibit a distinct, electron-opaque inner wall layer after fixation in glutaraldehyde-osmium tetroxide and staining with uranyl acetate and lead citrate. This inner wall layer is thickest at the sieve plates and lateral sieve areas where it is permeated by a labyrinth of tubules formed by the plasmalemma. Along the lateral walls between sieve areas the inner wall layer apparently is penetrated by numerous microvilli-like evaginations of the plasmalemma, giving the cell wall-plasmalemma interface the appearance of a brush border. It is suggested that a similar brush-border-like structure may occur at the cell wall-plasmalemma interface of sieve elements in a wide variety of vascular plants.

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