Talk:Azotobacter

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Good articleAzotobacter has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.
Article milestones
DateProcessResult
October 27, 2010Good article nomineeListed
Did You Know
A fact from this article appeared on Wikipedia's Main Page in the "Did you know?" column on September 9, 2010.
The text of the entry was: Did you know ... that species of Azotobacter bacteria are used in the production of ice cream and instant puddings?

Clarification request

I've added a clarify tag to: "Its growth requires oxygen, but Azotobacter can grow at low oxygen concentrations, forming catalase and oxidase" This doesn't make sense to me, is it supposed to mean that they start to produce catalase and oxidase when in a hypoxic environment? If so it needs more detail to explain why these are of use in a hypoxic environment. Smartse (talk) 13:58, 30 August 2010 (UTC)[reply]

Indeed. Fixed. Thanks for the copyedit - I am a newbie in this field. Materialscientist (talk) 00:52, 31 August 2010 (UTC)[reply]
I've had another go at rewording it as it still didn't make much sense. I can't work out how catalase and oxidases are related to this - all organisms that use respire aerobically have them and unlike I said above, they won't be any use when [O2] was low. If you can email me a copy of what the source states then I will take look and see if I can make sense of it, but for now I think it's best to leave it out. It's a pretty good article for a newbie though, made me remember what a dreadful state nitrogen cycle is in though! Smartse (talk) 13:46, 31 August 2010 (UTC)[reply]
The source said that Azotobacter develops catalase and oxidases. As I guess now, this is unrelated to oxygen, but those sentences were lumped together into one so that it mislead me. Thanks. Materialscientist (talk) 22:45, 31 August 2010 (UTC)[reply]
Oxidase and catalase formation're important characteristics of bacteria (particularly in their differentiation and identification), because oxidase is part of electron transport chain (and pointing that this bacterium has one and can respirate), catalase defends cell from hydrogen peroxide, wich forms while aerobic respiration, but definitly they aren't formed as products of respiration. Also, IMHO russian sources which had been never published in english shouldn't be translated at all and should be cited in original (for instance Tepper EZ, Shilnikova VK, Pereverzev, GI (1979). Workshop on Microbiology. M.. p. 216. was published only in russian and there is no translations in other languages). As I see this is translation from ruWiki and it is fairly good, thank you for your contribution. I am an author of original russian page, if you have a questions about proper translation, you can ask me--VSGI (talk) 06:25, 25 September 2010 (UTC)[reply]

"Azotobacter[...] can fix at least 10 μm of nitrogen per gram of glucose consumed." micrometers? micromoles? or micrograms? Thanks. --151.66.249.246 (talk) 13:52, 13 August 2014 (UTC)[reply]

Micrograms, fixed, thanks. Materialscientist (talk) 22:02, 13 August 2014 (UTC)[reply]

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Reviewer: Jimfbleak - talk to me? 10:28, 27 October 2010 (UTC)[reply]

Not much to fix, I think

  • File:Azotobacter cyst.jpg doesn't appear to exist
    It was deleted after nomination (nice fair use image). Sigh. Commented out.
  • the following need links or explanation: microbe, autonomic, intima, pH, cocoon
    Wikilinked all and explained autonomic and intima. pH is a standard term, which is not easy to explain in a few words. Microbe and cocoon are relatively common words.
  • The outer part is called exine has a hexagonal crystalline structure. — doesn't quite make sense
    Rewrote. Thanks for comments! Materialscientist (talk) 11:05, 27 October 2010 (UTC)[reply]

Jimfbleak - talk to me? 10:28, 27 October 2010 (UTC)[reply]

I've linked

Ph, no other concerns, so I'll send it on its way Jimfbleak - talk to me? 12:16, 27 October 2010 (UTC)[reply
]

Intima/intine

In the section on germination of cysts the term intima is wrong. It should be intine. Intine is the term used in the references and in other sections of the article. Also, "intima" is linked to a layer of a blood vessel (artery, vein), which has nothing to do with this bacterium. --Miguelferig (talk) 18:27, 5 February 2014 (UTC)[reply]

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