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Electronic Journal of Biotechnology

versión On-line ISSN 0717-3458

Resumen

INOSTROZA-BLANCHETEAU, Claudio et al. Mapping aluminum tolerance loci in cereals: A tool available for crop breeding. Electron. J. Biotechnol. [online]. 2010, vol.13, n.4, pp.11-12. ISSN 0717-3458.

Aluminum (Al) toxicity is the main factor limiting crop productivity in acidic soils around the world. In cereals, this problem reduces crop yields by 30-40%. The use of DNA-based markers linked to phenotypic traits is an interesting alternative approach. Strategies such as molecular marker-assisted selection (MAS) in conjunction with bioinformatics-based tools such as graphical genotypes (GGT) have been important for confirming introgression of genes or genomic regions in cereals but also to reduce the time and cost of identifying them through genetic selection. These biotechnologies also make it possible to identify target genes or quantitative trait loci (QTL) that can be potentially used in similar crops to increase their productivity. This review presents the main advances in the genetic improvement of cereals for Al-tolerance.

Palabras clave : aluminum tolerance; ALMT1; cereals; marker-assisted selection; organic acid.

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