Re: Life's range = 0-50C

Perplexed in Peoria wrote:
<Jeremy.Winfield@xxxxxxxxx> wrote in message news:f5u870$2euo$1@xxxxxxxxxxxxxxxxxxxxxx

It is also a general consensus amongst biologists that the last common
ancestor was most likely a thermophile, since it is so deeply rooted
in the tree of life. Read the following for more detail: [URL snipped]

It is a fairly widespread belief, but I wouldn't call it a consensus.

One recent naysayer:

"Rooting the tree of life by transition analyses", Thomas Cavalier-Smith

http://www.biology-direct.com/content/1/1/19

He concludes that the LCA was a non-flagellate negibacterium with two
membranes, probably a photosynthetic green non-sulphur bacterium.

He cites this 2002 paper as one of the first to point out the problem:

"Phylogeny: a non-hyperthermophilic ancestor for bacteria."

http://calorierestriction.org/pmid/?n=12015592
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