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Growth, breakdown, repair, and rapid contraction of microtubular axopodia in the heliozoan Actinophrys sol

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Growth, breakdown, repair, and rapid contraction of microtubular axopodia in the heliozoan Actinophrys sol. / Ockleford, C D; Tucker, J B.
In: Journal of Ultrastructure Research, Vol. 44, No. 5-6, 09.1973, p. 369-387.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Ockleford CD, Tucker JB. Growth, breakdown, repair, and rapid contraction of microtubular axopodia in the heliozoan Actinophrys sol. Journal of Ultrastructure Research. 1973 Sept;44(5-6):369-387. doi: 10.1016/S0022-5320(73)90005-1

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Ockleford, C D ; Tucker, J B. / Growth, breakdown, repair, and rapid contraction of microtubular axopodia in the heliozoan Actinophrys sol. In: Journal of Ultrastructure Research. 1973 ; Vol. 44, No. 5-6. pp. 369-387.

Bibtex

@article{da112efdc3f04507885fd4dff6c583de,
title = "Growth, breakdown, repair, and rapid contraction of microtubular axopodia in the heliozoan Actinophrys sol",
abstract = "Breakdown of microtubules takes place at the tips of tubules at the distal ends of axopodia when axopodial shortening is induced with colchicine. When small flagellates are captured for ingestion, rapid contraction of axopodia (100 μm in under a second) occurs which apparently involves breakdown of axonemal microtubules. Elongation of a single axopodium after rapid contraction, when all other axopodia are of normal length, proceeds at the same rate as it does when all the axopodia are growing out after microtubule-breakdown induced by cold treatment. In both cases the rate of elongation decreases as axopodia increase in length. Axopodia elastically resist mild bending along their longitudinal axes. They yield nonelastically when more severe bending is applied; bends are formed at certain points along their longitudinal axes. These bends move out along axopodia to their tips.",
keywords = "Animals, Cell Nucleus, Elasticity, Eukaryota, Membranes, Microscopy, Electron, Microscopy, Electron, Scanning, Microscopy, Phase-Contrast, Microtubules, Organoids, Time Factors",
author = "Ockleford, {C D} and Tucker, {J B}",
year = "1973",
month = sep,
doi = "10.1016/S0022-5320(73)90005-1",
language = "English",
volume = "44",
pages = "369--387",
journal = "Journal of Ultrastructure Research",
issn = "0022-5320",
publisher = "Academic Press Inc.",
number = "5-6",

}

RIS

TY - JOUR

T1 - Growth, breakdown, repair, and rapid contraction of microtubular axopodia in the heliozoan Actinophrys sol

AU - Ockleford, C D

AU - Tucker, J B

PY - 1973/9

Y1 - 1973/9

N2 - Breakdown of microtubules takes place at the tips of tubules at the distal ends of axopodia when axopodial shortening is induced with colchicine. When small flagellates are captured for ingestion, rapid contraction of axopodia (100 μm in under a second) occurs which apparently involves breakdown of axonemal microtubules. Elongation of a single axopodium after rapid contraction, when all other axopodia are of normal length, proceeds at the same rate as it does when all the axopodia are growing out after microtubule-breakdown induced by cold treatment. In both cases the rate of elongation decreases as axopodia increase in length. Axopodia elastically resist mild bending along their longitudinal axes. They yield nonelastically when more severe bending is applied; bends are formed at certain points along their longitudinal axes. These bends move out along axopodia to their tips.

AB - Breakdown of microtubules takes place at the tips of tubules at the distal ends of axopodia when axopodial shortening is induced with colchicine. When small flagellates are captured for ingestion, rapid contraction of axopodia (100 μm in under a second) occurs which apparently involves breakdown of axonemal microtubules. Elongation of a single axopodium after rapid contraction, when all other axopodia are of normal length, proceeds at the same rate as it does when all the axopodia are growing out after microtubule-breakdown induced by cold treatment. In both cases the rate of elongation decreases as axopodia increase in length. Axopodia elastically resist mild bending along their longitudinal axes. They yield nonelastically when more severe bending is applied; bends are formed at certain points along their longitudinal axes. These bends move out along axopodia to their tips.

KW - Animals

KW - Cell Nucleus

KW - Elasticity

KW - Eukaryota

KW - Membranes

KW - Microscopy, Electron

KW - Microscopy, Electron, Scanning

KW - Microscopy, Phase-Contrast

KW - Microtubules

KW - Organoids

KW - Time Factors

U2 - 10.1016/S0022-5320(73)90005-1

DO - 10.1016/S0022-5320(73)90005-1

M3 - Journal article

C2 - 4586420

VL - 44

SP - 369

EP - 387

JO - Journal of Ultrastructure Research

JF - Journal of Ultrastructure Research

SN - 0022-5320

IS - 5-6

ER -