Talk:Neomura

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Variations of the Theory

"The current mainstream system of classification is the three-domain system. The common consensus is that Archaea and Eukaryota evolved on a seperate branch from Bacteria, with the root of life lying somewhere in between. This branch is Neomura. However, Cavalier-Smith has postulated that Bacteria is in fact paraphyletic to Neomura, meaning that Neomura evolved from Bacteria. According to this theory, Neomura is a group which evolved from Gram-positive bacteria, this transition being marked by twenty evolutionary adaptions, which accompanied, or derived from, two other important adaptions: the development of histones to replace DNA gyrase, and the loss of peptidoglycan cell walls to be replaced by other glycoproteins."

This is confusing because it's worded too technically. Rather than seeming to contradict what has just been said, you should start out by simply saying that Cavalier-Smith theorizes that the Archaebacteria and Eukaryotia arose from the Neomura which arose from the gram positive bacteria bacteria. You can then go on to say that the Bacteria are paraphyletic without the Neomura, but this phrasing used is rather awkward. I can't correct it without the article handy. I just can't seem to see what the second sentence is saying, so it's impossible to correct. I would simply like to see this clarified first, inserted into the article later. I don't have the article handy, but will try my best to read and understand as much as possible. KP Botany 19:00, 2 June 2007 (UTC)[reply]