» Articles » PMID: 24309824

Regular Arrays of Intramembranous Particles in the Plasmalemma of Guard Cell and Mesophyll Cell Protoplasts of Vicia Faba

Overview
Journal Planta
Specialty Biology
Date 2013 Dec 7
PMID 24309824
Citations 5
Authors
Affiliations
Soon will be listed here.
Abstract

Freeze fractures of the plasmalemma membranes of guard-cell and mesophyll protoplasts of Vicia faba demonstrate that the inner monolayer of the plasmalemma is compartmentalized into areas with distinct, highly organized structures. Between areas of intramembranous particles dispersed randomly on a relatively smooth fracture face, membrane domains showing an extremely regular planar, hexagonal array of particles are interspersed. The dimensions of these hexagonal lattices are about 0.5 μm in diameter, the center-to-center spacing is about 22 nm, and the particle size is about 9 nm. The particle in the hexagonal arrays are accompanied by complementary pits in the opposite monolayer fracture of the plasmalemma membrane.The freeze-fracture preparation was performed by using an improved Leybold Bioetch device which provides a sufficiently high cooling rate and allows the omission of cryoprotectants, like glycerol.

Citing Articles

The plasma membrane of growing root hairs is composed of zones of local differentiation.

Volkmann D Planta. 2013; 162(5):392-403.

PMID: 24253221 DOI: 10.1007/BF00393451.


Plasma-membrane rosettes in root hairs of Equisetum hyemale.

Emons A Planta. 2013; 163(3):350-9.

PMID: 24249406 DOI: 10.1007/BF00395143.


Exocytosis in non-plasmolyzed and plasmolyzed tobacco pollen tubes : A freeze-fracture study.

Kroh M, Knuiman B Planta. 2013; 166(3):287-99.

PMID: 24241509 DOI: 10.1007/BF00401164.


Electric-field-stimulated fusion: increased field stability of cells induced by pronase.

Zimmermann U, Pilwat G, Richter H Naturwissenschaften. 1981; 68(11):577-9.

PMID: 7322210 DOI: 10.1007/BF00401675.


Electric field-induced cell-to-cell fusion.

Zimmermann U, Vienken J J Membr Biol. 1982; 67(3):165-82.

PMID: 7050391 DOI: 10.1007/BF01868659.

References
1.
Staehelin L . Chloroplast membrane structure. Intramembranous particles of different sizes make contact in stacked membrane regions. Biochim Biophys Acta. 1975; 408(1):1-11. DOI: 10.1016/0005-2728(75)90153-x. View

2.
Pinto da Silva P, Branton D . Membrane splitting in freeze-ethching. Covalently bound ferritin as a membrane marker. J Cell Biol. 1970; 45(3):598-605. PMC: 2107921. DOI: 10.1083/jcb.45.3.598. View

3.
Johnson R, Hammer M, Sheridan J, REVEL J . Gap junction formation between reaggregated Novikoff hepatoma cells. Proc Natl Acad Sci U S A. 1974; 71(11):4536-40. PMC: 433922. DOI: 10.1073/pnas.71.11.4536. View

4.
Chlapowski F, BONNEVILLE M, Staehelin L . Lumenal plasma membrane of the urinary bladder. II. Isolation and structure of membrane components. J Cell Biol. 1972; 53(1):92-104. PMC: 2108712. DOI: 10.1083/jcb.53.1.92. View

5.
Verkleij A, Momvers C, VERVERGAERT P . Lipidic intramembranous particles. Nature. 1979; 279(5709):162-3. DOI: 10.1038/279162a0. View