Moselio Schaechter


  • The purpose of this blog is to share my appreciation for the width and depth of the microbial activities on this planet. I will emphasize the unusual and the unexpected phenomena for which I have a special fascination... (more)

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« Retrospective, May 2011 | Main | Hard Biology »

May 26, 2011

Talmudic Question #75

What would the world be like without the Archaea?

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Important niches that the Archaea would have occupied would remain empty till such time some other groups will have eventually evolved to fill them. Life goes on...

We would have no gap between the evolution between eubacteria and eukaryotes.

a plain world?

Well put. Elio

So without Archaea, no traits belonging to the modern day Archaea would be around? Ummm...

There wiil be a different evolutionary organization, as well as many processes that are unique to the archaebacteria will remain unknown such as the fixing of carbon, the salt-tolerant capacity and the utilization of organic compounds as a source of energy.

If we take the theory of eukaryotic origin by symbiosis between an archeon and a bacterium, well, we wouldn't be here to ask the question!

Without Archaea, no Eukarya. Sure that Earth might be drastically different!

Methane: there would be more of it because no more ANME on the seafloor....but, there'd be less of it because hey, no more methanogens.

So, in conclusion, something or other with methane would be different.

Carl Woese would be less famous.

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