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Plant cell wall: Never too much acetate


Plant cell walls incorporate a variety of acetylated polysaccharides. In addition to enzymes catalysing acetylation (acetyltransferases), plants could produce enzymes to remove acetyl groups (acetylesterases). Previously, pectin acetylesterases were known and now a xylan acetylesterase has been identified — and it has many surprises.

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Figure 1: Acetylesterases may be needed to trim excess acetylation from nascent polysaccharides.


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Correspondence to Henrik V. Scheller.

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Scheller, H. Plant cell wall: Never too much acetate. Nature Plants 3, 17024 (2017).

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