Phenotypic landscape inference reveals multiple evolutionary paths to C4 photosynthesis

  title={Phenotypic landscape inference reveals multiple evolutionary paths to
C4 photosynthesis},
  author={Ben P Williams and Iain G. Johnston and Sarah Covshoff and Julian M Hibberd},
C4 photosynthesis has independently evolved from the ancestral C3 pathway in at least 60 plant lineages, but, as with other complex traits, how it evolved is unclear. Here we show that the polyphyletic appearance of C4 photosynthesis is associated with diverse and flexible evolutionary paths that group into four major trajectories. We conducted a meta-analysis of 18 lineages containing species that use C3, C4, or intermediate C3-C4 forms of photosynthesis to parameterise a 16-dimensional… CONTINUE READING
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