Evolution in action: adaptation and incipient sympatric speciation with gene flow across life at “Evolution Canyon”, Israel

Various major evolutionary problems are still open, controversial or unsettled. These include even the basic evolutionary processes of adaptation and speciation. The “Evolution Canyon” model is a microscale natural laboratory that can highlight some of the basic problems requiring clarification (Nevo list of “Evolution Canyon” publications at http://evolution.haifa.ac.il). This is especially true if an interdisciplinary approach is practiced including ecological functional genomics, transcriptomics, proteomics, metabolomics and phenomics. Here I overview and reanalyze the incipient sympatric adaptive ecological speciation of five model organisms at “Evolution Canyon”, across life: the soil bacterium, Bacillus simplex; wild barley, the progenitor of cultivated barley, Hordeum spontaneum; the tiny beetle Oryzaephilus surinamensis; the cosmopolitan fruit-fly, Drosophila melanogaster, and the Africa-originated spiny mouse, Acomys cahirinus. All five models of organisms display evolution in action of microclim...

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