Cellulose biosynthesis is one of the most important biochemical processes in plant biology. It is also a vital process for other eukaryotic organisms, such as oomycetes, which comprise pathogenic species responsible for severe environmental damage and economic loss. As for the plant enzymes, the proteins associated to the oomycete carbohydrate synthase complexes and their mechanisms are not well characterized. The structure of cellulose in plant primary cell walls and oomycetes will be presented in this lecture. A comparative analysis of the specific structural features of the plant and oomycete cellulose synthases will follow and our latest results on the biochemical properties of cellulose synthases from poplar and the pathogenic oomycete Phytophthora capsici expressed in yeast will be summarized. The capacity of different recombinant plant and oomycete cellulose synthases to form microfibrils in vitro will also be discussed.

Cellulose structure and biosynthesis in oomycetes: Similitudes and differences with higher plants

253rd National Meeting (2017)

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