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From: teexmmo@ioe.lon.ac.uk (Matthew Moore)
Newsgroups: sci.bio
Subject: Re: Organelle Reproduction
Message-ID: <1990Jul17.195528.2654@ioe.lon.ac.uk>
Date: 17 Jul 90 19:55:28 GMT
References: <5180001@hpcuhb.HP.COM> <5180002@hpcuhb.HP.COM>
Reply-To: teexmmo@ioe.lon.ac.uk (Matthew Moore)
Organization: Institute of Education University of London
Lines: 20

In article <5180002@hpcuhb.HP.COM> pi@hpcuhb.HP.COM (Paul Ilgenfritz) writes:
>
>>Organelles reproduce in the same way as their ancestral microbes did,
>>i.e. by binary fission.   This can be seen on some micrographs as the
>>organelles appearing like "dumb-bell" structures as they are caught
>>dividing.
>
>Thanks for the confirmation, sorry I was to lazy to go to the library.
>
>I can see why analyzing the DNA and RNA of these beasts is such an
>exciting topic.  It seems like it may lead to an understanding of how the
>first cells evolved.

Try following up the name (Lyn?) Margulis. She put forward the view
that mitachondria, choroplasts, and the centriole are the descendents
of ancient symbionts, which have been an integral part of the
evolution of eukaryotes.

(mitachondria from bacteria, chloroplasts from blue-greeb algae, which
they resemble, and the centriole from spirochaetes).