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Centrioles - like cilia and flangella??

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Centrioles - like cilia and flangella??

Postby Thenewguy » Mon Jan 31, 2005 5:13 am

Hi folks,

I know this isnt the most captivating or even rewarding subject but this page, I gather, is about sharing information so here goes. Right now reading a text book about general biology, basically one of those "start to finish" texts. Right now in the cellular biology section I'm learning more extensively about the centrioles and their role in the body. Now while I fully understand the most basic premis of their function in the division of nuclear material in animal cells what I don't get is the books refference to a similarity between the structure of flangella or cilia and the centriole. Appearantly it has 9 triplets instead of doublets around the outside and lacking the two central fibers. What confuses me is that I thought cilia (like that of Tetrahymeria Pyriformis) did in fact have 9 triplet fibers on the outside??? Is Tetrahymeria Pyriformis an odity in this example?
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Postby thank.darwin » Mon Jan 31, 2005 8:07 pm

Well first of all centrioles give rise to basal bodies, which are microtubule organizing centers for the formation of cilia and flagella. Also centrioles have a 9+0 pattern of microtubules and flagella has a basal body with a 9+0 pattern and also has a shaft of 9+2 pattern. My only question is whether or not cilia have the same pattern as flagella?
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Postby Thenewguy » Tue Feb 01, 2005 5:18 am

I think I'm way over my head on this one :-P :shock:
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Postby mith » Tue Feb 01, 2005 5:35 am

thank.darwin wrote: My only question is whether or not cilia have the same pattern as flagella?


I think they do. I remember from my bio books about how they are all derived from the same homologous structure.

P.S. Newguy, your book might have a typo.
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Accepting hardships as the pathway to peace;
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Postby thank.darwin » Tue Feb 01, 2005 11:58 am

Thats what I thought because they both come from basal bodies

As for you - thenewguy; don't worry about the specifics of things like that unless you need to - Why are you reading that book; school, for fun, ?
No amount of experimentation can ever prove me right; a single experiment can prove me wrong.
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Postby Thenewguy » Tue Feb 01, 2005 1:33 pm

well I guess for fun. when I was 20 I was diagnosed with brain cancer (ring cancer) and over the past four years I've whitnessed some really amazing treatment initiatives through a trial program I enrolled in (La Jolla, CA) I'm from Canada. So over the past few years I've really come to appreciate biology. And I soak this stuff up like dry bread in spilt milk ;-) So i thought, if I enjoy it, what the hell. Its a bit "geeky" but I'm starting to see the body like a bunch of 1s and 0s in an atomic world.

You're right though, there must be a mistake in the bood because others have illustrated like opinions. Thanks alot :-)
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Postby thank.darwin » Tue Feb 01, 2005 2:26 pm

I'm glad that you're into biology- it really is alot of fun so keep at it!
No amount of experimentation can ever prove me right; a single experiment can prove me wrong.
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