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File:Redundant-Mechanisms-Recruit-Actin-into-the-Contractile-Ring-in-Silkworm-Spermatocytes-pbio.0060209.sv004.ogv

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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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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This file was published in a Public Library of Science journal. Their website states that the content of all PLOS journals is published under the Creative Commons Attribution 4.0 license (or its previous version depending on the publication date), unless indicated otherwise.
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Date/TimeThumbnailDimensionsUserComment
current23:59, 29 October 20124.1 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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Format Bitrate Download Status Encode time
VP9 240P 146 kbps Completed 02:33, 16 July 2024 2.0 s
Streaming 240p (VP9) 144 kbps Completed 19:39, 16 December 2023 1.0 s
WebM 360P 195 kbps Completed 08:21, 2 December 2023 1.0 s
Streaming 144p (MJPEG) 459 kbps Completed 19:37, 18 November 2023 1.0 s

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