Journal
JOURNAL OF EXPERIMENTAL BOTANY
Volume 68, Issue 7, Pages 1389-1392Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jxb/erx081
Keywords
Cell wall elasticity; cell wall thickness; evolutionary constraints; gymnosperms; leaf anatomy; mesophyll conductance; photosynthesis; Rubisco; stomatal conductance
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Mesophyll conductance to CO2 - a key factor in plant photosynthesis - is strongly influenced by leaf anatomy. In this issue, Veromann-Jurgenson et al. (pages 1639-1653) provide evidence of the conservation of ancient structural traits (extremely thick cell walls) in evolutionarily old taxa that suggest apparent evolutionary constraints on CO2 fixation. This opens the way for integrated approaches combining evolutionary constraints of diffusive, structural and biochemical factors on plant photosynthesis.
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