Talk:Exotoxin: Difference between revisions

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Info about the definition for the topic.....

--222.67.204.128 (talk) 02:05, 19 June 2010 (UTC)[reply]

http://scholar.google.com.hk/scholar?hl=en&q=allintitle%3A+defined+exotoxin&btnG=Search&as_sdt=2000&as_ylo=&as_vis=0

--222.67.204.128 (talk) 02:08, 19 June 2010 (UTC)[reply]

Chemical

--222.64.19.40 (talk) 03:12, 19 June 2010 (UTC)[reply]

Biochemical

--222.64.19.40 (talk) 03:14, 19 June 2010 (UTC)[reply]

Why?

What is the purpose of exotoxins? If a bacteria wants to infect a host, shouldn't it keep the host alive so as to live itself? What is the evolutionary purpose of killing the host, and thereby killing itself? A discussion about the reasons for bacteria creating these toxins would merit inclusion in the article.

It is a good question. I have visited this article to get the answer for this question also. Here I write that i guess: I think in some cases there is no purpose, just simply a byproduct of some other function which is important for the bacteria. The killing of the host should not be a purpose but a disaster for the bacteria also. Superantigens can non-specifically activate the lymphocytes, so the "answer" of the immune system is not directed against the given bacterium, but such intense activation initiates inhibitory mechanisms which will silence the specific immune response also. Exotoxins which results diarhea can help the bacteria to spread in the environment for infecting more host organism. But these were simply guesses. I 'm also curious about an answer of a real microbiologist. --176.63.222.158 (talk) 15:48, 22 October 2016 (UTC)[reply]

Revision as of 22:33, 28 March 2015 edit 83.226.137.76 (talk) →Why? ← Previous edit		Revision as of 15:49, 22 October 2016 edit undo 176.63.222.158 (talk) →Why? Next edit →
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	What is the purpose of exotoxins? If a bacteria wants to infect a host, shouldn't it keep the host alive so as to live itself? What is the evolutionary purpose of killing the host, and thereby killing itself? A discussion about the reasons for bacteria creating these toxins would merit inclusion in the article.		What is the purpose of exotoxins? If a bacteria wants to infect a host, shouldn't it keep the host alive so as to live itself? What is the evolutionary purpose of killing the host, and thereby killing itself? A discussion about the reasons for bacteria creating these toxins would merit inclusion in the article.

			* ''It is a good question. I have visited this article to get the answer for this question also. Here I write that i guess: I think in some cases there is no purpose, just simply a byproduct of some other function which is important for the bacteria. The killing of the host should not be a purpose but a disaster for the bacteria also. Superantigens can non-specifically activate the lymphocytes, so the "answer" of the immune system is not directed against the given bacterium, but such intense activation initiates inhibitory mechanisms which will silence the specific immune response also. Exotoxins which results diarhea can help the bacteria to spread in the environment for infecting more host organism. But these were simply guesses. I 'm also curious about an answer of a real microbiologist.'' --[[Special:Contributions/176.63.222.158\|176.63.222.158]] ([[User talk:176.63.222.158\|talk]]) 15:48, 22 October 2016 (UTC)