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Volume 2 Issue 9, September 2016

Plane signalling

Two novel ROP-GAP proteins are necessary for correct orientation of cell plates during cytokinesis in Arabidopsis. The cell wall patterns of root meristem mutants defective in division plane maintenance are visualized by propidium iodide staining. 

See Nature Plants 2, 16120 (2016).

Image: S. Müller, E. Lipka          Cover Design S. Whitham


  • Plants exist within a complex network of interactions with organisms both closely and distantly related to them. That none can survive ‘entire of itself’ is as true of plant science as the plants we study.



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Research Highlights

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News & Views

  • Rising atmospheric CO2 is expected to boost crop yields during drought events because it promotes stomatal closure and saves water. However, field experiments with soybean in a simulated future CO2 atmosphere suggest that crop canopy interactions with climate might prevent this mechanism from delivering its expected benefits.

    • Colin P. Osborne
    News & Views
  • The core of the photosynthetic complex photosystem I had been assumed to require contact with its associated light-harvesting complex I to function. But a mutant Arabidopsis line lacking the components of this complex shows that a plant's photosynthetic apparatus is more adaptable to changes in its environment than previously thought.

    • Dario Leister
    News & Views
  • Many plants detect bacteria by the receptor FLS2 that binds the flagellin epitope flg22. A new pattern recognition receptor FLS3 in tomato detects flagellin from a second side; a further move in the evolutionary game of ‘hide and seek’ where pathogens evade recognition and hosts evolve novel immunoreceptors to detect them.

    • Judith Fliegmann
    • Georg Felix
    News & Views
  • Abscisic acid (ABA) dynamically balances plant water use and availability. It is synthesized during water deficit and quickly catabolized into breakdown products previously thought to be largely inactive. New work demonstrates that phaseic acid, a major ABA catabolite, is a weak ABA receptor agonist with its own auxiliary role in water relations.

    • Jorge Lozano-Juste
    • Sean R. Cutler
    News & Views
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  • This Review summarizes current understanding of the non-self- and self-recognition systems of self-incompatibility and their evolution. The non-self-recognition model suggests that the transition from self-compatibility to self-incompatibility could be more common than previously thought.

    • Sota Fujii
    • Ken-ichi Kubo
    • Seiji Takayama
    Review Article
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