File:Redundant-Mechanisms-Recruit-Actin-into-the-Contractile-Ring-in-Silkworm-Spermatocytes-pbio.0060209.sv004.ogv
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Redundant-Mechanisms-Recruit-Actin-into-the-Contractile-Ring-in-Silkworm-Spermatocytes-pbio.0060209.sv004.ogv (Ogg Theora video file, length 4.1 s, 150 × 174 pixels, 393 kbps, file size: 197 KB)
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[edit]DescriptionRedundant-Mechanisms-Recruit-Actin-into-the-Contractile-Ring-in-Silkworm-Spermatocytes-pbio.0060209.sv004.ogv |
English: Cortical Flow of Actin Induced by Asymmetrically Distributed Asters Results in Furrow Initiation during Anaphase Cortical actin filaments were excluded from the polar region occupied by asymmetrically distributed asters during anaphase. The excluded actin assembled a contractile ring around the equator of the naturally shifted spindle. The two asters were in different focal planes. In frames ∼1–13 (especially frames 6, 7, 9, and 10), actin filaments appeared to be radiating out from the microtubule aster, parallel to and possibly overlapping the astral microtubules. We hypothesize that this may be part of a mechanism by which cytoplasmic actin filaments are cleared from the polar region. These actin asters can also be seen in Video S9. Cells in Video S4 labeled as in Video S2. Video S4 corresponds to Figure 2B. |
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Source | Video S4 from Chen W, Foss M, Tseng K, Zhang D (2008). "Redundant Mechanisms Recruit Actin into the Contractile Ring in Silkworm Spermatocytes". PLOS Biology. DOI:10.1371/journal.pbio.0060209. PMID 18767903. PMC: 2528054. | ||
Author | Chen W, Foss M, Tseng K, Zhang D | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:59, 29 October 2012 | 4.1 s, 150 × 174 (197 KB) | Open Access Media Importer Bot (talk | contribs) | Automatically uploaded media file from Open Access source. Please report problems or suggestions here. |
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Short title | Cortical Flow of Actin Induced by Asymmetrically Distributed Asters Results in Furrow Initiation during Anaphase |
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Author | Chen W, Foss M, Tseng K, Zhang D |
Usage terms | http://creativecommons.org/licenses/by/3.0/ |
Image title | Cortical actin filaments were excluded from the polar region occupied by asymmetrically distributed asters during anaphase. The excluded actin assembled a contractile ring around the equator of the naturally shifted spindle. The two asters were in different focal planes. In frames ?1?13 (especially frames 6, 7, 9, and 10), actin filaments appeared to be radiating out from the microtubule aster, parallel to and possibly overlapping the astral microtubules. We hypothesize that this may be part of a mechanism by which cytoplasmic actin filaments are cleared from the polar region. These actin asters can also be seen in Video S9. Cells in Video S4 labeled as in Video S2. Video S4 corresponds to Figure 2B. |
Software used | Xiph.Org libtheora 1.1 20090822 (Thusnelda) |
Date and time of digitizing | 2008-09 |