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Starch mobilization in leaves

Smith, Alison M. ; Zeeman, Samuel C. ; Thorneycroft, David ; Smith, Steven M.

In: Journal of Experimental Botany, 2003, vol. 54, no. 382, p. 577-583

Mathematical modeling of the dynamics of shoot-root interactions and resource partitioning in plant growth

Feller, Chrystel ; Favre, Patrick ; Janka, Ales ; Zeeman, Samuel C. ; Gabriel, Jean-Pierre ; Reinhardt, Didier

In: PLoS ONE, 2015, vol. 10, no. 7, p. e0127905

Plants are highly plastic in their potential to adapt to changing environmental conditions. For example, they can selectively promote the relative growth of the root and the shoot in response to limiting supply of mineral nutrients and light, respectively, a phenomenon that is referred to as balanced growth or functional equilibrium. To gain insight into the regulatory network that controls this...

Starch granule biosynthesis in Arabidopsis is abolished by removal of all debranching enzymes but restored by the subsequent removal of an endoamylase

Streb, Sebastian ; Delatte, Thierry ; Umhang, Martin ; Eicke, Simona ; Schorderet, Martine ; Reinhardt, Didier ; Zeeman, Samuel C.

In: The Plant Cell, 2009, vol. 20, p. 3448-3466

Several studies have suggested that debranching enzymes (DBEs) are involved in the biosynthesis of amylopectin, the major constituent of starch granules. Our systematic analysis of all DBE mutants of Arabidopsis thaliana demonstrates that when any DBE activity remains, starch granules are still synthesized, albeit with altered amylopectin structure. Quadruple mutants lacking all four DBE proteins...