File:Trypanosome-Motion-Represents-an-Adaptation-to-the-Crowded-Environment-of-the-Vertebrate-Bloodstream-ppat.1003023.s013.ogv
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[edit]DescriptionTrypanosome-Motion-Represents-an-Adaptation-to-the-Crowded-Environment-of-the-Vertebrate-Bloodstream-ppat.1003023.s013.ogv |
English: Trypanosomes change swimming direction by reversing the direction of flagellar beats. Annotated, slow motion video of a cell showing persistent forward motion with short pauses that are accompanied by a change of direction. The trajectory of a cell with the directions of movement is shown in the inset. Each produced tip-to-base and base-to-tip beat is annotated and the movement of the resulting wave along the cell body is followed. Forward and reverse waves can be seen superimposing. The cell is slowed down briefly, when a reverse wave reaches the free end of the flagellum. The cell comes to an immediate halt when the forward beats are stopped. A few successive reverse beats then cause the cell to reverse and change direction before the tip-to-base beats resume and the cell immediately begins forward movement on its new path. |
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Source | Video S12 from Heddergott N, Krüger T, Babu S, Wei A, Stellamanns E, Uppaluri S, Pfohl T, Stark H, Engstler M (2012). "Trypanosome Motion Represents an Adaptation to the Crowded Environment of the Vertebrate Bloodstream". PLOS Pathogens. DOI:10.1371/journal.ppat.1003023. PMID 23166495. PMC: 3499580. | ||
Author | Heddergott N, Krüger T, Babu S, Wei A, Stellamanns E, Uppaluri S, Pfohl T, Stark H, Engstler M | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:55, 3 December 2012 | 40 s, 1,728 × 1,080 (4.62 MB) | 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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Usage terms | http://creativecommons.org/licenses/by/3.0/ |
Image title | Trypanosomes change swimming direction by reversing the direction of flagellar beats. Annotated, slow motion video of a cell showing persistent forward motion with short pauses that are accompanied by a change of direction. The trajectory of a cell with the directions of movement is shown in the inset. Each produced tip-to-base and base-to-tip beat is annotated and the movement of the resulting wave along the cell body is followed. Forward and reverse waves can be seen superimposing. The cell is slowed down briefly, when a reverse wave reaches the free end of the flagellum. The cell comes to an immediate halt when the forward beats are stopped. A few successive reverse beats then cause the cell to reverse and change direction before the tip-to-base beats resume and the cell immediately begins forward movement on its new path. |
Software used | Xiph.Org libtheora 1.1 20090822 (Thusnelda) |
Date and time of digitizing | 2012-11 |