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. 2012 Dec 27;8(12):e1002839. doi: 10.1371/journal.pcbi.1002839

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© 2012 Mannige et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Proteome databases, both individually (A; detailed in Figure S1 in Text S1) and cumulatively (B; number of data points, ), indicate a steady reduction in proteome oil content (%FILV) over evolutionary time (organism node number), with a Spearman rank correlation coefficient and probability . Another metric for evolutionary age (paleobiology's “First Occurrence” records; C) reiterates this trend (Spearman , , ; improved to , when binned per the abscissa), indicating the existence of a “super-oily” predecessor to all that exists. The three archeal proteomes obtained from Ensembl Bacteria are denoted by the blue-filled circles in (A, top) and (B).

Inline graphic — Proteome databases, both individually (A; detailed in Figure S1 in Text S1) and cumulatively (B; number of data points, ), indicate a steady reduction in proteome oil content (%FILV) over evolutionary time (organism node number), with a Spearman rank correlation coefficient and probability . Another metric for evolutionary age (paleobiology's “First Occurrence” records; C) reiterates this trend (Spearman , , ; improved to , when binned per the abscissa), indicating the existence of a “super-oily” predecessor to all that exists. The three archeal proteomes obtained from Ensembl Bacteria are denoted by the blue-filled circles in (A, top) and (B).