File:Mouse spermiogenesis 01.jpg

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Spatiotemporal progression of annulus during mouse spermiogenesis.

The annulus (arrows) indicated by the SEPT4 antibody was first seen at the neck region of step 9 spermatids (b), not in step 8 spermatids (a). It stayed there until early step 15 (c-d), and after that it migrated to its distal position followed by the formation of mitochondrial sheath (e-h). It still existed in the mature spermatiozoon coonecting the midpiece and the principal piece of the tail (i).

Green, SEPT4; Red, MitoTracker; Blue, DAPI.

The scale bar represents 10 μm.

1471-213X-9-23-2-l.jpg

http://www.biomedcentral.com/1471-213X/9/23#B1

Guan et al. BMC Developmental Biology 2009 9:23 doi:10.1186/1471-213X-9-23

Spatiotemporal association of DNAJB13 with the annulus during mouse sperm flagellum development. Guan J, Kinoshita M, Yuan L. BMC Dev Biol. 2009 Mar 19;9:23. PMID: 19298648

© 2009 Guan et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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current14:35, 5 April 2010Thumbnail for version as of 14:35, 5 April 20101,200 × 299 (48 KB)S8600021 (talk | contribs)Spatiotemporal progression of annulus during mouse spermiogenesis. The annulus (arrows) indicated by the SEPT4 antibody was first seen at the neck region of step 9 spermatids (b), not in step 8 spermatids (a). It stayed there until early step 15 (c-d),

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