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Cytokinesis in the heliozoan Actinophrys sol

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Cytokinesis in the heliozoan Actinophrys sol. / Ockleford, C D.

In: Journal of Cell Science, Vol. 16, No. 3, 12.1974, p. 499-517.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Ockleford, CD 1974, 'Cytokinesis in the heliozoan Actinophrys sol', Journal of Cell Science, vol. 16, no. 3, pp. 499-517.

APA

Ockleford, C. D. (1974). Cytokinesis in the heliozoan Actinophrys sol. Journal of Cell Science, 16(3), 499-517.

Vancouver

Ockleford CD. Cytokinesis in the heliozoan Actinophrys sol. Journal of Cell Science. 1974 Dec;16(3):499-517.

Author

Ockleford, C D. / Cytokinesis in the heliozoan Actinophrys sol. In: Journal of Cell Science. 1974 ; Vol. 16, No. 3. pp. 499-517.

Bibtex

@article{6cb663361fbb48ba9476d4032383e965,
title = "Cytokinesis in the heliozoan Actinophrys sol",
abstract = "A study of cytokinesis in the heliozoan Actinophrys sol has been made using low-temperature treatments, antimitotic drugs, cytochalasin B, light microscopy and electron microscopy. It reveals that microtubular axopodia remain extended during cell division and play a major role in it.Data indicate that when organisms are attached to the bases of culture dishes the normal locomotive mechanism of the presumptive daughter cells pulls them apart. However, when Actinophrys are floating freely in their culture medium, they are still able to undertake division. In this situation interactions between axopodia from opposite daughter cell bodies appear to facilitate the movement apart of the prospective daughter cells.The present study and other published accounts indicate that a type of cytokinesis exists which is not explicable in terms of the {\textquoteleft}contractile ring{\textquoteright} or {\textquoteleft}fusing vesicle{\textquoteright} theories. To account for these observations a {\textquoteleft}barge pole{\textquoteright} model of division is suggested.",
keywords = "Animals, Cell Division/drug effects, Cell Movement, Cell Nucleus, Colchicine/pharmacology, Cytochalasin B/pharmacology, Cytoplasm/ultrastructure, Cytoplasmic Streaming/drug effects, Dimethyl Sulfoxide/pharmacology, Eukaryota/cytology, Inclusion Bodies/ultrastructure, Microscopy, Electron, Microscopy, Phase-Contrast, Microtubules/physiology, Models, Biological, Pseudopodia, Temperature",
author = "Ockleford, {C D}",
year = "1974",
month = dec,
language = "English",
volume = "16",
pages = "499--517",
journal = "Journal of Cell Science",
issn = "0021-9533",
publisher = "Company of Biologists Ltd",
number = "3",

}

RIS

TY - JOUR

T1 - Cytokinesis in the heliozoan Actinophrys sol

AU - Ockleford, C D

PY - 1974/12

Y1 - 1974/12

N2 - A study of cytokinesis in the heliozoan Actinophrys sol has been made using low-temperature treatments, antimitotic drugs, cytochalasin B, light microscopy and electron microscopy. It reveals that microtubular axopodia remain extended during cell division and play a major role in it.Data indicate that when organisms are attached to the bases of culture dishes the normal locomotive mechanism of the presumptive daughter cells pulls them apart. However, when Actinophrys are floating freely in their culture medium, they are still able to undertake division. In this situation interactions between axopodia from opposite daughter cell bodies appear to facilitate the movement apart of the prospective daughter cells.The present study and other published accounts indicate that a type of cytokinesis exists which is not explicable in terms of the ‘contractile ring’ or ‘fusing vesicle’ theories. To account for these observations a ‘barge pole’ model of division is suggested.

AB - A study of cytokinesis in the heliozoan Actinophrys sol has been made using low-temperature treatments, antimitotic drugs, cytochalasin B, light microscopy and electron microscopy. It reveals that microtubular axopodia remain extended during cell division and play a major role in it.Data indicate that when organisms are attached to the bases of culture dishes the normal locomotive mechanism of the presumptive daughter cells pulls them apart. However, when Actinophrys are floating freely in their culture medium, they are still able to undertake division. In this situation interactions between axopodia from opposite daughter cell bodies appear to facilitate the movement apart of the prospective daughter cells.The present study and other published accounts indicate that a type of cytokinesis exists which is not explicable in terms of the ‘contractile ring’ or ‘fusing vesicle’ theories. To account for these observations a ‘barge pole’ model of division is suggested.

KW - Animals

KW - Cell Division/drug effects

KW - Cell Movement

KW - Cell Nucleus

KW - Colchicine/pharmacology

KW - Cytochalasin B/pharmacology

KW - Cytoplasm/ultrastructure

KW - Cytoplasmic Streaming/drug effects

KW - Dimethyl Sulfoxide/pharmacology

KW - Eukaryota/cytology

KW - Inclusion Bodies/ultrastructure

KW - Microscopy, Electron

KW - Microscopy, Phase-Contrast

KW - Microtubules/physiology

KW - Models, Biological

KW - Pseudopodia

KW - Temperature

M3 - Journal article

C2 - 4375157

VL - 16

SP - 499

EP - 517

JO - Journal of Cell Science

JF - Journal of Cell Science

SN - 0021-9533

IS - 3

ER -