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ABA: evolution of a plant hormone

10/27/2016
The function of the plant hormone ABA and the OST1 kinase regulated by ABA during the evolution of land plants (modified according to McAdam et al., 2016, PNAS).

Sex determination, dormancy, water balance: The phytohormone abscisic acid has branched out in the process of evolution. An international research team presents new insights on this subject in the science journal PNAS.

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Ribosomal quality control

10/17/2016
Contrary to the conventional view, the ribosome does not release individual proteins directly into the cystol after synthesis (left). Instead, it holds the protein back until chaperones deliver the matching counterparts (right).

The formation of macromolecular machines within cells is often a complicated endavour. Biochemists of the University of Würzburg and Göttingen have now unravelled new details of these processes. They show that cells invest a great deal of effort into preventing production errors.

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