J Integr Plant Biol. ›› 2008, Vol. 50 ›› Issue (10): 1247-1255.DOI: 10.1111/j.1744-7909.2008.00742.x

Special Issue: Abiotic Stresses

• Invited Expert Reviews • Previous Articles     Next Articles

Boron in plants: Deficiency and toxicity

Juan J. Camacho-Cristóbal, Jesús Rexach and Agustín González-Fontes   

  • Received:2008-03-14 Accepted:2008-06-10 Published:2008-10-05

Abstract: Boron (B) is an essential nutrient for normal growth of higher plants, and B availability in soil and irrigation water is an important determinant of agricultural production. To date, a primordial function of B is undoubtedly its structural role in the cell wall; however, there is increasing evidence for a possible role of B in other processes such as the maintenance of plasma membrane function and several metabolic pathways. In the last years, the knowledge of the molecular basis of B deficiency and toxicity responses in plants has advanced greatly. The aim of this review is to provide an update on recent findings related to these topics, which can contribute to a better understanding of the role of B in plants.

Key words: Boron-binding molecules, Boron transporter, Cell wall-related genes, Gene expression, Nitrogen metabolism.

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