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Origin of the cell nucleus, mitosis and sex: roles of intracellular coevolution
Thomas Cavalier-Smith Biology Direct 2010, 5:7 (4 February 2010)
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Rate of sequence divergence under constant selection
Alexey S Kondrashov, Inna S Povolotskaya, Dmitry N Ivankov, Fyodor A Kondrashov Biology Direct 2010, 5:5 (21 January 2010)
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Elastic, not plastic species: Frozen plasticity theory and the origin of adaptive evolution in sexually reproducing organisms
Jaroslav Flegr Biology Direct 2010, 5:2 (13 January 2010)
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Editor’s summary
Sexual species can evolve new adaptations only when their members are genetically uniform, i.e. only for 10-30 thousand years after their origin by peripatric speciation.
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Evolution by leaps: gene duplication in bacteria
Margrethe H Serres, Alastair RW Kerr, Thomas J McCormack, Monica Riley Biology Direct 2009, 4:46 (23 November 2009)
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Editor’s summary
Families of enzymes present in organisms revealed by their genome sequences hold clues to how metabolic diversity and phenotypic characteristics of today's species and taxa arose through gene duplication.
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Exceptional error minimization in putative primordial genetic codes
Artem S Novozhilov, Eugene V Koonin Biology Direct 2009, 4:44 (19 November 2009)
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Trees and networks before and after Darwin
Mark A Ragan Biology Direct 2009, 4:43 (16 November 2009)
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| F1000 Biology
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Is evolution Darwinian or/and Lamarckian?
Eugene V Koonin, Yuri I Wolf Biology Direct 2009, 4:42 (11 November 2009)
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Editor’s summary
Darwinian and Lamarckian mechanisms are both important for evolution and seem to belong to different parts of the broad range of complex interactions between genotypes and environment.
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Inferring clocks when lacking rocks: the variable rates of molecular evolution in bacteria
Chih-Horng Kuo, Howard Ochman Biology Direct 2009, 4:35 (29 September 2009)
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Prokaryotic evolution and the tree of life are two different things
Eric Bapteste, Maureen A O'Malley, Robert G Beiko, Marc Ereshefsky, J Peter Gogarten, Laura Franklin-Hall, François-Joseph Lapointe, John Dupré, Tal Dagan, Yan Boucher, William Martin Biology Direct 2009, 4:34 (29 September 2009)
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Editor’s summary
From philosophical, scientific and epistemological perspectives, we argue that the tree of life can not successfully account for prokaryotic evolution, and we briefly set out alternative models to study their evolution.
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The fundamental units, processes and patterns of evolution, and the Tree of Life conundrum
Eugene V Koonin, Yuri I Wolf Biology Direct 2009, 4:33 (29 September 2009)
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Editor’s summary
A tree is a natural representation of evolution owing to the inherent tree-like character of the replication process but the fundamental units of evolution amenable to tree analysis seem to be individual genetic elements rather than complete genomes.
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Structural analysis of polarizing indels: an emerging consensus on the root of the tree of life
Ruben E Valas, Philip E Bourne Biology Direct 2009, 4:30 (25 August 2009)
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Editor’s summary
The disparate rootings of the tree of life by Cavalier-Smith and Lake et al. converge on a single root when polarizable indels are analyzed using protein structure.
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On the need for widespread horizontal gene transfers under genome size constraint
Hervé Isambert, Richard R Stein Biology Direct 2009, 4:28 (25 August 2009)
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A four-column theory for the origin of the genetic code: tracing the evolutionary pathways that gave rise to an optimized code
Paul G Higgs Biology Direct 2009, 4:16 (24 April 2009)
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