Talk:Cytokinesis

Plant cell cytokinesis

I would like to expand the section on plant cell cytokinesis, which at the moment is fairly rudimentary, and make it more comparable to the discussion on animal cell cytokinesis. that studies plant cytokinesis, so I know the field pretty well, and in fact I would probably adapt something short from the literature review portion of my thesis. (Also see http://www.illuminatedcell.com/celldiv.html for some of what I've written).

I do have some experience with wiki formatting, but I've never actually posted on wikipedia before, which is why I wanted to put this little post on the talk page to see if anyone had any comments or advice before I went ahead and edited the main article.

Thanks, Steven Backues (talk) 18:02, 11 May 2010 (UTC)

Bacteria

It seems to me that there is a conflict betwwen the following statement in the first paragraph: "Cytokinesis is distinguished from the prokaryotic process of binary fission." and the inclusion of a later section on Bacterial cell cytokinesis - can someone clarify this? —Preceding unsigned comment added by 147.188.133.224 (talk) 15:42, 14 October 2008 (UTC)

External Links

• http://www.bio.unc.edu/faculty/salmon/lab/mafia/mafiamovies.html

Please either use appropriate reference inline in the text WP:V, or discuss and justify external links here before adding to page: Jethero^Talk 21:00, 16 April 2007 (UTC)

The link was added to provide people with a good source of films of cytokinesis in a range of different organisms.

Picture

I think the picture shown could be replaced with a better one. The outline of each cell is not very clear, and unless you're used to looking at microscopy images, it's not very easy to see what's going on. Also, the tag highlighting the centrosome isn't really relevant to the article and seems to be more of a distraction than anything...

Headline text

The two daughter cells are now completely separated. Each is surrounded by a cell membrane. Each daughter cells has some of its parent cell's cytoplasm. Though daughter cells are genetically identical to their parent cell, they are smaller. After division, cells may enter a period of growth, during which they take in the resources they need to increase the amount of their cytoplasm and to grow to full size. When the cells are fully grown, they are about the same size as the parent cell was before division.

I have removed this section. The information provided is more relevant to cell division in general rather than cytokinesis specifically.

Plant cell cytokinesis

Due to the presence of a cell wall, cytokinesis in plant cells is significantly different from that in animal cells. Rather than forming a contractile ring, plant cells construct a cell plate in the middle of the cell. The Golgi apparatus releases vesicles containing cell wall materials. These vesicles fuse at the equatorial plane and form a cell plate. (...)

Actually this is rather untrue. The idea that the Golgi apparatus provides the cell wall and plasma membrane material for the cell plate is not right. Dhonukshe et al. proofed in 2006 that CW and PM material for the cell plate comes from the already matured Cell Wall and Plasma Membrane together with all necessary proteins; there is no de novo synthesis of PM proteins and CW pektins. Nonetheless the Golgi apparatus is not the only source for the cell plate. For further review, see Developmental Cell 10, page 137-150, January 2006 —Preceding unsigned comment added by 84.58.177.80 (talk) 11:11, 17 January 2008 (UTC)

As is stated by Dhonukshe et al., constitutive delivery of endocytic material in form of prefabricated PM/CW material is required for cell plate-formation during plant cytokinesis. However, they do not discount that GA-derived material is involved, rather stating that both are important. —Preceding unsigned comment added by 141.109.118.81 (talk) 03:26, 3 March 2008 (UTC)

Assessment comment

The comment(s) below were originally left at Talk:Cytokinesis/Comments, and are posted here for posterity. Following several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section.

Changed rating to "high" as this is high school/SAT biology content. - tameeria 21:44, 18 February 2007 (UTC)

Last edited at 21:44, 18 February 2007 (UTC). Substituted at 12:38, 29 April 2016 (UTC)