The function of boron in plants has often been associated with cell wall bound insoluble boron. This was mainly due to the fact that B-related nutritional disorders clearly lead to a structural damage of the cell wall, and that the cell wall bound B-RGII-complex has been isolated and characterized in detail. However, more and more evidence indicates that other functions of B are important in plants, which can not be related to cell wall bound B-RGII. Rapid reactions under B deficiency, effects of B toxicity, and, most important of all, the observed essentiality of B for animals (Eckert, 1998, Eckert and Rowe, 1999), can not be explained by a structural function of B in the cell wall. Since animals do not have a pectin-rich cell wall, other B forms, e.g. free or loosely bound B, must be involved in those reactions.
CITATION STYLE
Wimmer, M. A., Mühling, K. H., LÄuchli, A., Brown, P. H., & Goldbach, H. E. (2002). Boron Toxicity: the Importance of Soluble Boron. In Boron in Plant and Animal Nutrition (pp. 241–253). Springer US. https://doi.org/10.1007/978-1-4615-0607-2_22
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