Multiple choice

Dickeya dadantii causes necrosis, blight and soft rot of several different ornamental and horticultural host plants. Which of the following enzymes does it contain to macerate and break down the plant material?

  1. Pectinase

  2. Cellulase

  3. Hyaluronidase

  4. Oxidase
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A Correct answer
Explanation

Dickeya dadantii contains many pectinases that are able to macerate and break down the plant cell wall material. This exposed part of the plant releases nutrients that can facilitate bacterial growth.

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