Carbohydrate oxidoreductases oxidize cell wall carbohydrates creating hydrogen peroxide in to the apoplastic space. Their function in plants is unknown whereas in fungi they work together with other enzymes to break down lignocellulose. The biological role of these enzymes will be studied. Hydrogen peroxide is hypothesized to form cell wall breaking hydroxyl radicals that allow cells to elongate. Carbohydrate oxidases, might also be involved in cell wall rigidification by providing oxidant for peroxidase-mediated lignification. They might also control cell-to-cell attachment by oxidizing and cross-linking pectins in the middle lamella. Cell elongation and lignification are important developmental questions. Understanding the underlying mechanisms can be useful in the future in the bioeconomical perspective. Fiber length is important factor in many biomaterials and lignin hampers the utilization of cellulose but at the same time it is important raw material for new innovations.

2020

2023